tynagh ccgt power station · the site consists of a 400 megawatt combined cycle gas turbine power...

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TYNAGH CCGT ANNUAL ENVIRONMENTAL REPORT 2011

Tynagh CCGT Power Station

Annual Environmental Report

2011

Reference Number: TYN\ENV\2011\01

Date: 31/03/2012

Issue: Rev. 01

Authors: Donal Fanning, Plant Manager – GE Energy

Eoin O’Sullivan, EHS Specialist – GE Energy

Colin D’Arcy, Technical Manager - Tynagh Energy Ltd.

Approved: Colin D’Arcy, Technical Manager - Tynagh Energy Ltd.

2


Table of Contents

Executive Summary 3

Facility Summary Information 4

Air Emissions 6

Waste Water 9

Complaints & Incidents 12

Bund testing 14

Groundwater /Contaminated Land summary report 17

ELRA & CRAMP 19

Environmental Management Programme 21

Noise 24

Resource Usage/ Energy Efficiency 26

Waste - PRTR 29

3


Executive Summary

2011 was an excellent year from an environmental compliance perspective. There were

no breaches, exceedances or non-compliances and there was only one complaint

recorded.

The power plant running regime in 2011 was significantly different from previous years.

The plant run hours were down and plant starts were up; this shift was due to market

conditions and record wind generation levels and it had a considerable impact on our

emissions and energy usage.

Another major change during the year was the re-commissioning of the Gas Turbine

secondary fuel (Gasoil) system. For security of supply reasons and at the direction of the

CER Tynagh re-commissioned the system and underwent Eirgrid testing. In addition to

ongoing Eirgrid testing requirements (up to twice a year) the unit must regularly operate

on its secondary fuel to ensure continued operability of the system.

Some high-level environmental projects and operational milestones for 2011 are as

follows:

• ISO 14001 and 9001 re-accreditation was achieved.

• Achieved no non-compliances with the IPPC license in 2011 as confirmed via the independent sampling reports, various EPA site audits and inspections and internal monitoring and reporting.

• New hazardous waste storage area was built.

• An assessment of risk of catastrophic tank failure and overtopping of bund wall of the main diesel storage tank was completed by external consultant.

• Plant operator, GE Energy received a Global Star Award – GE’s highest internal award for health and safety.

• Completed internal IPPC permit review day to ensure on-going compliance with IPPC license and GHG permit requirements.

• A 25% reduction in off-line electricity usage was achieved.

The format of this year’s AER is significantly different from previous years. The

operations team previously took great pride in producing a very detailed AER of highest

quality. This year we were requested to utilise EPA templates and minimise additional

detail; as a result, this report is very concise and to the point and much of the information

previously supplied is no longer included. Full reports and supporting data etc. is

available on site and maintained on file for viewing and/or inspection

4

Facility Summary Information

Additional comments / supplemental information:

None.

Facility Manager , GE Energy (Ltd)

Date

Technical Manager, Tynagh Energy (Ltd)

Date

B3

National Grid Reference (6E, 6 N)

P0700-01

Tynagh Energy Limited

Derryfrench, Tynagh, Loughrea, Co. Galway

3511NACE Code

The operation of combustion installations with a rated thermal input equal to or greater than 50MW

30-Mar-12Colin D'Arcy

Facility Information Summary

Licence Register Number

Name of site

Class of Activity

RBME risk category

1745E, 21293N

Site Location

Donal Fanning

A brief description of the activities/process

at the site for the reporting year. This should

include information such as production

increases or decreases on site, any

infrastructural changes, environmental

performance improvements which were

measured during the reporting year;

All the data and information presented in this report has been checked and certified as being accurate. The

quality of the information is assured to meet license requirements.

Reviewed and approved by

30-Mar-12

The site consists of a 400 Megawatt combined cycle gas turbine power plant that has been built on the former

Tynagh Mines site, Loughrea, Co. Galway. Tynagh Energy Limited is the site licensee. The site IPPC license was

issued in 2004 and became operational in March 2006. This report covers the fifth full commercial year of

licensed activity.

Tynagh is an advanced combined cycle gas turbine (CCGT) power plant. CCGT technology is a highly efficient

energy conversion process whereby electricity is generated by burning natural gas in a gas turbine (GT)

generator. The waste GT exhaust gas energy is subsequently recovered in a heat recovery steam generator

(HRSG) to produce additional electricity in a separate steam turbine (ST) generator. This dual process ensures the

maximum energy is extracted from every unit of natural gas consumed. The power plant was built under a

turnkey contract by a consortium of General Electric Company/General Electric International Inc. and Gama

Power Systems Inc. The plant is operated and maintained by GE Energy (Ireland) Limited on behalf of Tynagh

Energy Ltd.

Declaration:

6

Air


The fugitive emissions from the power plant due to natural gas venting to atmosphere for

operations and maintenance activities have been included in gas consumption calculations.

As per EPA guide note only licensed emissions are included in this template. Other PRTR

reported emissions include N20, CH4, NMVOC, CO2 and SF6.

AER summary template-AIR emissions

Parameter

/Substance

Annual fugitive

emission (kg/annum)

Quantificaton

method M/C/E

N/A

2

No

3Basic air

monitoring

checklist AGN2 Yes

Table 2: Licensed Mass Emissions/Ambient data-periodic monitoring (non-continuous)

Emission

reference no: Parameter/ Substance

Date of

Monitoring

ELV in licence

or any revision

thereof Licence Compliance criteria Measured value

Unit of

measurement

Compliant with

licence limit Method of analysis

Annual mass

load (kg)

% change in mass load

from previous year +/- Comments

N/A

Note 1: Volumetric flow shall be included as a reportable parameter

4 Yes

5Yes

6

No

7

No

Table 3: Summary of average emissions -continuous monitoring

Emission

reference no: Parameter/ Substance

ELV in licence or

any revision

thereof

Averaging

Period Compliance Criteria

Units of

measurement Annual Emission Annual maximum

Monitoring

Equipment

downtime (hours)

% compliance

current

reporting year Comments

A2-1Nitrogen oxides

(NOx/NO2)

50 mg/m3 on

Gas

120 mg/m3 on

Gasoil (Diesel)

1 hour All 1-hour averages < 2 x ELV mg/Nm3 142913.37 Kg

949000 Kg On Gas

2689320 Kg On

Gasoil Diesel

1 Hour 100%

Dual fuel site Corrected

to 15% Oxygen. No day

Invalid. Plant not online

during downtime

Do you have a proactive service agreement for each piece of continuous monitoring equipment?

Trained and qualified technicians maintain and calibrate

monitoring equipment on site. If additional expertise is

required this is obtained as required. Back-up spare

equipment is also kept and maintained on site.

Did your site experience any abatement system bypasses? If yes please detail them in table 4 below

Continuous Monitoring Does your site carry out continuous air emissions monitoring?

If yes please review your continuous monitoring data and report the required fields below in Table 3 and

compare it to its relevant Emission Limit Value (ELV)

Did continuous monitoring equipment experience downtime? If yes please record downtime in table 3 below.

Periodic/Non-Continuous Monitoring

Are there any results in breach of licence requirements? If yes please provide brief details in the comment

section of Table 2 below.

Was all monitoring carried out in accordance with EPA

guidance note AG2 and using the basic air monitoring

checklist?

Additional information

1

Does your site have licensed air emissions? If yes please complete table 1, 2 and 3 below for the

current reporting year and answer further questions. If you do not have licenced emissions and do not

complete a solvent management plan (table 5 and 6) you only need to complete table 1 fugitive

emissions on site belowYes IPPC licence P0700-01

Table 1: Fugitive emissions

A2-1 Carbon monoxide (CO)

25 mg/m3 on

Gas

40 mg/m3 on

Gasoil (Diesel)

1 hour All 1-hour averages < 2 x ELV mg/Nm3 106014.1 Kg

474500 Kg On Gas

896440 Kg On

Gasoil Diesel

3 Hours 100%


to 15% Oxygen. No day

Invalid.

A2-1Sulphur oxides

(SOx/SO2)

120 mg/m3 on

Gasoil (Diesel)1 hour All 1-hour averages < 2 x ELV mg/Nm3 8492.88 Kg

2689320 Kg On

Gasoil Diesel1 Hour 100%


to 15% Oxygen

A2-1 Volumetric flow 5.2E+7 m3 1 Day Daily average < ELV m3 5.5E+09

1.9E+10 m3

Natural Gas

2.24E+10 m3 on

Gasoil Diesel

Calculated Value 100%Flow is calculated based

on mass exhaust flow

note 1: Volumetric flow shall be included as a reportable parameter.

Table 4: Abatement system bypass reporting table Bypass protocol

Date* Duration** (hours) Location

N/A

8 Do you have a total Emission Limit Value of direct and fugitive emissions on site? if yes please fill out table 5No

Solvent

regulations

Reporting year Total solvent input on

site (kg)

Total VOC

emissions to Air

from entire site

(direct and

fugitive)

Total VOC

emissions as

%of solvent

input Total Emission Limit Value

(ELV) in licence or any revision

thereof

Compliance

N/ASELECT

(I) Inputs (kg)

Solvent

(I) Inputs (kg)

Organic solvent

emission in

waste gases(kg)

Solvents lost in

water (kg)

Collected waste solvent (kg) Fugitive Organic

Solvent (kg)

Solvent released in

other ways e.g. by-

passes (kg)

Solvents destroyed

onsite through

physical reaction

e.g.

incineration(kg)

Total emission of

Solvent to air (kg)

N/A

Total

Table 6: Solvent Mass Balance summary

(O) Outputs (kg)

* this should include all dates that an abatement system bypass occurred

** an accurate record of time bypass beginning and end should be logged on site and maintained for future

Agency inspections please refer to bypass protocol link

Table 5: Solvent Management Plan Summary

Total VOC Emission limit value

Please refer to linked solvent regulations to

complete table 5 and 6

Reason for bypass Corrective action

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Waste Water


As per EPA guide note only licensed emissions are included in this template. Other PRTR

reported emissions include total nitrogen, TOC and Chlorides

AER Monitoring returns summary template-WATER/WASTEWATER(SEWER)

2

Yes

Location

reference

Location

relative to site

activities

PRTR ParameterLicenced

Parameter

Monitoring

date

ELV or trigger

level in licence

or any revision

thereof*

Licence

Compliance criteria Measured value

Unit of

measurement

Compliant with

licence Comments

N/A

*trigger values may be agreed by the Agency outside of licence conditions

Location

Reference

Date of

inspectionSource of

contamination

N/A SELECT

3No

4

External /Internal

Lab Quality

checklist

Assessment of

results checklist Yes

Table 3: Licensed Emissions to water and /or wastewater (sewer)-periodic monitoring (non-continuous)

Emission

reference no:

Emission

released to

Parameter/ Substance

Note 1 Type of sample

Date of

Monitoring Averaging period

ELV or trigger

values in licence or

any revision

thereof Note 2

Licence Compliance

criteria Measured value

Unit of

measurement

Compliant with

licence Method of analysis

Procedural

reference source

Procedural

reference

standard number

Annual mass load

(kg)

% change in mass

load from

previous year +/- Comments

SW1 Water Total Dissolved Solids composite weekly Weekly 5000

All results < 1.2 times

ELV, plus 8 from ten

results must be < ELV

1324 mg/L yes Gravimetric analysis

APHA / AWWA

"Standard

Methods"

2540-C

45576.9 -28.1measure weekly

average used here

SW1 Water Suspended Solids composite weekly Weekly 30




10 mg/L yes Gravimetric analysis

APHA / AWWA

"Standard

Methods" 2540-D

338 -40.0measure weekly

average used here

SW1 Water Ammonia (as N) composite weekly Weekly 1.5




0.22 mg/L yes Nessler method

APHA / AWWA

"Standard

Methods"

4500-NH3 and

ASTM d1426-08

9.8 -46.7measure weekly

average used here

SW1 Water Total phosphorus composite weekly Weekly 0.1




<0.05 mg/L yesDigestion +

Spectrophotometry

APHA / AWWA

"Standard

Methods" 4500-P-E

1.7 -37.0measured weekly

average used here

SW1 Water BOD composite monthly Monthly 20




1.8 mg/L yesDissolved Oxygen Meter

(Electrode)

APHA / AWWA

"Standard

Methods"

TM045, MEWAM

bod5 2nd

ed.hmso 1988

62.4 0.8

measured

monthly- average

given here

SW2 water pH discrete weekly Weekly 6-9*

*not specified in

licence site follows

EQS

7.9 pH units yes pH Meter (Electrode)

APHA / AWWA

"Standard

Methods" 4500-H-B

Not applicable Not applicablemeasured weekly

average used here

SW2 Water COD discrete weekly Weekly 30*

*not specified in


EQS

16.9 mg/L yesSpectrophotometry

(Colorimetry) ISO

IS0 6060-1989

determination of

COD using Dr.


average used here

Was all monitoring carried out in accordance with EPA

guidance and checklists for Quality of Aqueous Monitoring

Data Reported to the EPA? If no please detail what areas

require improvement in additional information box

Site lab has developed a quality manual and attended EPA conferences on Lab assurance quality control.

Operation of these requirements is an on-going project. Where necessary an accredited lab is also used

for analysis.

Comments

Licensed Emissions to water and /or wastewater(sewer)-periodic monitoring (non-continuous)

Was there any result in breach of licence requirements? If yes please provide brief details in the

comment section of Table 3 below

Was it a requirement of your licence to carry out visual inspections on any surface water

discharges or watercourses on or near your site? If yes please complete table 2 below

summarising only any evidence of contamination noted during visual inspectionsDaily visual inspections at surface water discharge location sw2.

No contamination observed 2011

Table 1: Ambient monitoring

Table 2: Visual inspections-Please only enter details where contamination was observed.

Description of contamination Corrective action


1

Does your site have licensed emissions direct to surface water or direct to sewer? If yes

please complete table 3 and 4 below for the current reporting year and answer further

questions. If you do not have licenced emissions you only need to complete table 1 and

/table 2 below for ambient monitoring and visual inspectionsYes


monitoring equipment on site. If additional expertise is required

this is obtained as required.

SW2 WaterTotal petroleum

hydrocarbonsdiscrete weekly Weekly

*not specified in


EQS

<1 mg/L yesGC (Gas

Chromatography)US EPA

Method for EPH,

Massachusetts

dept of ep, 1998


average used here

Note 1: Volumetric flow shall be included as a reportable parameter

5 Yes

6

No

7

No

8No

Table 4: Summary of average emissions -continuous monitoring

Emission

reference no:

Emission

released to Parameter/ Substance

ELV or trigger

values in license

or any revision

thereof

Averaging

Period

Compliance

Criteria

Units of

measurement

Annual Emission for

current reporting year

(kg)

% change +/- from

previous reporting

year

Monitoring

Equipment

downtime (hours)

% compliance

current reporting

year

SW1 Water Volumetric flow 1128 1 hour

No flow value

shall exceed the

specific limit

m3/day 35326910 -62% 0 100

SW1 Water Temperature 25 30 minutes

No

temperature

value shall

exceed the limit

value

degrees C not applicable not applicable 0 100

SW1 Water pH between 6-9 1 hour

No pH value

shall deviate

from the

specified range

pH units not applicable not applicable 0 100

SW1 Water Dissolved Oxygen none 30 minutes None specified mg/L not applicable not applicable 0 100

SW1 Water Conductivity none 30 minutes All values < ELV µS/cm @20oC not applicable not applicable 0 100

note 1: Volumetric flow shall be included as a reportable parameter.

Table 5: Abatement system bypass reporting tableDate Duration (hours) Location Resultant

emissions

Reason for

bypass

Corrective

action*

Was a report

submitted to the

EPA?

When was this report

submitted?

N/A SELECT

*Measures taken or proposed to reduce or limit bypass frequency

Site follows best practice and sets limit for conductivity based on TDS limit


monitoring equipment on site. If additional expertise is required

this is obtained as required.

Calibrations and maintenance were carried out when plant was not discharging

No limits specified but site follows best practice guidelines


Did continuous monitoring equipment experience downtime? If yes please record downtime in

table 4 below

Calibration and maintenance is only carried out when plant is

not discharging. The WWTP also has triple redundant

instrumentation.

Do you have a proactive service contract for each piece of continuous monitoring equipment on

site?

Did abatement system bypass occur during the reporting year? If yes please complete table 5

below

Comments


Note 2: Where Emission Limit Values (ELV) do not apply to your licence please compare results against EQS for Surface water or relevant receptor quality standards

Continuous monitoring Additional Information

Does your site carry out continuous emissions to water/sewer monitoring?

Online monitoring and daily inspections. In-house lab testing.

If yes please summarise your continuous monitoring data below in Table 4 and compare it to

its relevant Emission Limit Value (ELV)

12

Complaints – incidents.

Additional comments / supplemental information.

Compliance with the conditions of our IPPC Licence is of the highest priority for Tynagh

Energy Limited and the Plant Operator and all environmental concerns / complaints are

thoroughly investigated.

Noise Complaints:

Historically the vast majority of the complaints received by the plant since commercial

operation have been noise related. All complaints have been fully investigated and these

investigations along with annual noise surveys have shown the plant to be operating within

the conditions of its license.

The 2011 annual noise survey showed the plant to be below license limits 45.8 dB (day) &

43.5 dB (night) versus limits of 55 dB and 45 dB respectively. See noise section for further

information.

Notwithstanding the ongoing noise compliance detailed above and in response to a

resident’s continued concern, Tynagh Energy Limited has engaged a noise consultant to

carry out a focused study, including development of an environmental noise model (currently

underway), aimed at reducing noise levels at the residence in question. The complainant has

been kept informed with regard to progress on this matter.


Yes

Date Category Other type (please specify)

Brief description of

complaint (Free txt <20

words)

Corrective action< 20

words Resolution status Resolution date

Further

information

5th Jan 2011 Noise

Verbal complaint of

noise at residence at

night.

Plant was off-line at

some of the times.

Contacted complainant.

Investigated with ops

team. Reviewed noise

sources with noise

consultant under

different operating

conditions.

Ongoing Annual noise

surveys have

showed in

compliance with

licence

conditions.

Working with

noise consultants

and engineering

team to resolve.

Total complaints

open at start of

reporting year 0

Total new

complaints

received during

reporting year 1

Total complaints

closed during

reporting year 0

Balance of

complaints end of

reporting year 1


No

What is an incident

Table 2 Incidents summary

Date of occurrence Incident nature Location of occurrence

Incident category*please

refer to guidance Receptor Cause of incident

Other

cause(please

specify)

Activity in

progress at

time of incident Communication Occurrence

Corrective

action<20

words

Preventative

action <20

words Resolution status

Resolution

date

Likelihood of

reoccurrence

N/A SELECT SELECT SELECT SELECT SELECT SELECT SELECT SELECT SELECT SELECT

Total number of

incidents current

year 0

Total number of

incidents previous

year 0

% reduction/

increase N/A

Complaints

Have you received any environmental complaints in the current reporting year? If yes please complete summary

details of complaints received on site in table 1 below

Table 1 Complaints summary

Incidents

Have any incidents occurred on site in the current reporting year? Please list all incidents for current reporting

year in Table 2 below

*For information on how to report and what constitutes

an incident

14

Bund testing


As per EPA guidance note table 1 & 2 only list failure of bunds in the previous year and are

therefore blank as there were no failures in 2011.

Bund testing schedules and results were communicated in previous years AERs. Full bund

testing reports and pipeline inspections are required under IPPC licence and are available

for inspection on site.

Bund testing Additional information

1 Yes

As per EPA guide note only

failures are reported -

there were none in 2011.

2 Please provide integrity testing frequency period 3 years

3 Yes

This is available on site and

was attached in previous

years AERs including the

last full pipeline inspection

report.

Bund/Containment

structure ID Type Specify Other type Product containment Actual capacity Capacity required* Type of integrity test

N/A

* Capacity required should comply with 25% or 110% containment rule as detailed in your licence

Commentary

4 Yes

Site testing procedures

follows this guidance.

5 Are channels/transfer systems to remote containment systems tested? Yes

6 Are channels/transfer systems compliant in both integrity and available volume? Yes

7 Yes

All outside bunds have

high level liquid alarms.

Inside bunds do not.

8 Yes

Part of site maintenance

programme

Bund/pipe testing report summary ALL IPPC/WASTE licensed facilities Intensive agriculture facilities please use alternative template

dropdown menu click to see options

Are you required by your licence to undertake integrity testing on bunds and containment structures ? if yes

please fill out table 1 below listing all bunds and containment structures on site

Table 1: Summary details of bund integrity test

Has integrity testing been carried out in accordance with licence requirements and are all structures tested in

line with BS8007/EPA Guidance?

Do all sumps and chambers have high level liquid alarms?

If yes to Q7 are these failsafe systems included in a maintenance and testing programme?

Does the site maintain a register of bunds, underground pipelines (including stormwater and foul), Tanks,

sumps and containers? (containers refers to "Chemstore" type units and mobile bunds)

1 Yes

2 Please provide integrity testing frequency period Other (please specify) 5 Years

Structure ID Type system Material of construction:

Does this structure have

Secondary containment?

Type of secondary

containment

Type integrity testing

Integrity reports

maintained on site?

N/A

Are you required by your licence to undertake integrity testing on underground structures e.g. pipelines or

sumps etc ? if yes please fill out table 2 below listing all underground structures and pipelines on site

Table 2: Summary details of underground structures/pipeline integrity test

Pipeline/underground structure testing

17

Groundwater /Contaminated land summary report


The site is built on an historic mining site with contamination issues from previous activities.

This is not due to any activities the current operator undertakes.

The licensee advised the Agency during a previous site inspection that the enforcement

category for the facility, as determined by the annual risk rating assessment is increased as

a result of contaminated land within the assessment. The licensee was unsure whether this

should apply to the facility.

The Agency noted that the issue of historical contamination in the Tynagh area is not related

to any current and/or previous activities at the licensed facility. It was considered appropriate

that the licensee could omit the contaminated land issue from future risk classification

assessments. (EPA inspection report: Reference number 700-0110SI04KR, 15/09/2010)

Note: Sampling at AGW2 is no longer required (ref: (700)07S104KR)

1 yes

2 no

3 yes

4 no

5 no

6

7

8

9

10

11 Have potential receptors been identified on and off site?

12 Is there evidence that contamination is migrating offsite?

Table 1: Upgradient Groundwater monitoring results

Date of

sampling

Sample

location

reference

Parameter/

Substance Methodology

Monitoring

frequency

Maximum

Concentration++

Average

Concentration+ unit GTV's* SELECT**

% change in average

concentration previous

year +/-

Upward trend in pollutant

concentration over last 5 years of

monitoring data

2011 AGW1 pH pH electrode bi-annual Not applicable 7.15 pH units SW EQS Not applicable No

2011 AGW1

Diesel range

organics

Standard

method bi-annual Not applicable <0.01 mg/L SW EQS No change No

.+ where average indicates arithmetic mean

.++ maximum concentration indicates the maximum measured concentration from all monitoring results produced during the reporting year

Table 2: Downgradient Groundwater monitoring results

Date of

sampling

Sample

location

reference

Parameter/


Monitoring

frequency

Maximum

Concentration

Average

Concentration unit GTV's* SELECT**

% change in average

concentration previous

year +/-

Upward trend in yearly average

pollutant concentration over last 5

years of monitoring data


2011 AGW3

Diesel range

organics

Standard



2011 AGW4

Diesel range

organics

Standard


Table 3: Soil results

Date of

sampling

Sample

location

reference

Parameter/


Monitoring

frequency

Maximum

Concentration

Average

Concentration unit

N/A SELECT

Comments

Schedule 5(ii)

Raw water and service water use

see note on previous pageIs there contaminated land and /or groundwater on site? If yes please answer q's 5-12

Is the contamination related to operations at the facility (either current and/or historic)

Have actions been taken to address contamination issues?If yes please summarise remediation strategies

Is there a licence condition to carry out/update ELRA for the site?

Has any type of risk assessment been carried out for the site?

Has a Conceptual Site Model been developed for the site?

Please specify the proposed time frame for the remediation strategy

Groundwater /Contaminated land summary report

Are you required to carry out groundwater monitoring as part of your licence requirements?

Are you required to carry out soil monitoring as part of your licence requirements?

Do you extract groundwater for use on site? If yes please specify use in comment section

19

ELRA & CRAMP


None.

Commentary

1 Yes

2 Yes

No specific approval issued, but

assume it has been approved.

3 31/03/2009 Submitted in 2009 AER

4 31/03/2009 Mar-09

5 Insurance €3,000,000

6 Yes No.

7 TBC

8 01/03/2013 Annual review in-line with AER

9 Please list the top 10 risks assessed on your site in table 1 below

Table 1 ELRA summary information

Click here to access EPA

guidance on ELRA Operational Risk Assessment Category SELECT

Action

Date of

implementation of

mitigation measures Comment

Revised Risk score for

current reporting year ELRA costing

e.g

29 Decommissioning activities - incorrect waste disposal Significant volumes of waste will be

disposed of in the event of

decommissioning - risk of improper

disposal of waste streams that are not

usually handled in large volumes as

part of normal operation.

12 Operational controls

Prior to

Decommissioning

Assumed a fully documented

decommissioning procedure and

specific risk assessments will be

created prior to the event. 12 €540,000 Yes

1 Fire / explosion in production Firewater run-off and/or smoke

reaching the local environment 9 Operational controls 31/03/2009

All mitigation measures detailed in

full ELRA. 9 €99,000 Yes

27 Closure / Decommissioning - Fire at facility Introduction of abnormal ignition

sources during decommissioning e.g.

Cutting equipment or generation of

flammable fuel vapours during

drainage of excess / waste liquids.


Prior to

Decommissioning





30 Closure / Decommissioning - IPPCL emission

exceedance

Under abnormal conditions of

decommissioning there is a risk of

IPPCL exceedances to waster water /

air.


Prior to

Decommissioning





6 Fire / Explosion in transformer Firewater and/or smoke reaching the

local environment 6 Operational controls 31/03/2009



8 Fire / explosion from Natural Gas supply Release to atmosphere, Firewater

and/or smoke reaching the local

environment 6 Operational controls 31/03/2009



10 Leak from foul treatment system Contamination of soil , surface or

groundwater 6 Operational controls 31/03/2009



12 Spill to surface drainage from tanker (fuel, oil or

chemical)

Contamination of soil , surface or

groundwater 6 Operational controls 31/03/2009



28 Closure / Decommissioning - leaks & spills Potential spills of oils, lubricants and

chemicals associated with equipment &

pipework decommissioning.6 Operational controls 31/03/2009



5 Emission to air exceedance Emissions exceedance

5 Operational controls 31/03/2009



Total SELECT SELECT €965,250 Yes

1 Yes

2 Yes

No specific approval issued, but

assume it has been approved.

3 N/A Completed

4 Letter of Credit

5 05/04/2013

6

Outline - full plan to be

developed prior to

decommissioning.

Table 2 CRAMP summary information (NON Landfill)

Date of submission of plan Risk category Closure plan in place Clean closure

Restoration Aftercare

Management Plan

Change in Risk

category since

previous year Increase in risk category

Does the current

financial provision

cover the risk score?

Value of current

financial provision

for site

31/03/2009 3 Yes Yes Yes No SELECT Yes €500,000.00

Has a closure plan submission been approved by the Agency?

What is the timescale for submission?

What financial instrument do you have in place to cover known liabilities?

What is the date of expiry of this financial instrument?

What is the status of implementation of the plan?

Previous risk score

Mitigation measures to reduce risk ELRA

Does the current

financial provision

(FP) cover the risk

score?

Closure Restoration Aftercare Management Plan/ Restoration plan (CRAMP/RP)Was a closure or restoration plan a requirement of the licence?

Has this financial instrument/s been verified by the Agency?

What is the date of expiry of this financial instrument?

Date of next required review of the ELRA?

Risk ID Potential hazards Environmental effect

Environmental Liability Risk Assessment

Is it a requirement of your licence to complete an ELRA?

Has an initial ELRA been submitted to and approved by the Agency?

Please enter the date of submission of the initial ELRA

Date of most recent substantial ELRA update

What financial instrument/s do you have in place to cover unknown liabilities?

21

Environmental Management Programme


None.

Additional Information

1 Yes

2 Yes

3 Yes

4 Yes

Environmental Management Programme (EMP) report

Objective Category Target

Status (%

completed) How target was progressed Responsibility Intermediate outcomes

Waste reduction/Raw material

usage efficiency

Challenging the site team to Reduce,

Recycle, Reuse by ongoing awareness

campaign

100 Ideas discussed at waste meeting. Presentation given at EHS

day (June 29) . Display stand completed in turbine hall. Waste

awareness emails distributed. Waste team member attended

council waste workshop. Team came up with award scheme

for best waste saving idea for 2012.

Waste Team Increased waste

segregation on site


usage efficiency

Review and implement site bin thrasher

in some site waste storage areas.

100 Led by site waste team. Installed at stores area for mixed

recyclable waste containers

Waste Team Improved

Environmental

Management Practices


usage efficiency

Label all underground tanks 100 Led by site waste team. Identified all underground tanks,

assigned unique ID and labelled.

Waste Team Improved

Environmental



usage efficiency

Investigating possibility of reducing our

Haz-Waste generation of blade wash

50 The operations team has led this investigation. Sampling is

ongoing and still being reviewed. Ongoing review of

classification of material (i.e. hazardous). Waiting on new set

of results.

Waste team Lead Potential reduction in

waste

Energy Efficiency/Utility

conservation

Continue to monitor plant to ensure

ongoing thermal performance

optimization

50 The major outage is planned for the Steam Turbine in 2012. As

part of this outage a significant amount of the gland packing

will be upgraded to a new design which will significantly

improve thermal efficiency of the Steam Turbine by up to 5%.

Some minor packing replacement was carried out in 2011.

Maintenance Manager Improved plant

efficiency


conservation

Complete project survey to identify &

switch off all unnecessary electrical

loads when plant is shutdown for

extended periods.

100 Electricity import has been reduced by circa 25% through a

detailed review of all offline loads.

Operations Engineer Reduction in energy

usage


usage efficiency

Loading of waste documents to site

online document management system

(info-router)

60 Stores officer identifying relevant remaining documents and

loading to Info-router.

Stores Officer Increased compliance

with licence conditions


usage efficiency

Benchmarking our monthly waste

production against run-rates from 2009,

2010 and 2011

50 Ongoing project Waste Team Increased compliance


Reduction of emissions to

Wastewater

Review maintenance of water system

PM checks to ensure optimum leak

prevention.

20 O&M team have identified areas of high leakage and has

organised a project to reduce leaking blow down valves.

Maintenance Manager Reduced emissions

Environmental Management Programme (EMP)/Continuous Improvement Programme

Does the EMS maintain an Environmental Management Programme (EMP) as required in

accordance with the licence requirements

Do you maintain an environmental documentation/communication system to inform the

public on environmental performance of the facility, as required by the licence

Documented in site procedures

Do you maintain an Environmental Management System for the site. If yes, please detail

in additional information

ISO 14001 and GE Energy EMS system in place.

Does the EMS reference the most significant environmental aspects and associated

impacts on-site

Yes, site has developed an Impacts and aspects

database


Wastewater

Regarding being a phosphate free site,

review the site procedures to ensure

that all relevant areas are addressed.

100 Site purchasing procedures updated Nov 2011 to ensure that

no phosphorous is included in products supplied to site. On-

going vendor evaluations of performance on site EHS

requirements.

Commercial Manager Improved

Environmental



Wastewater

Improve quality of analytical monitoring

of emissions from the Waste Water

Treatment Plant in line with EPA and

quality requirements.

80 The guidelines on quality assurance from EPA have been

implemented and quality manual and procedures improved.

Site is IS014001 and ISO9000 quality approved. Further actions

with new GE water representative to improve.

EHS Specialist Improved

Environmental



Wastewater

Update lab management records,

training program, quality control of

methods, method validation, lab

auditing, testing procedures, method

validation, instrument calibration

programme, (q3)

80 Lab quality manual has been developed and recently reviewed

as part of ISO14001. Further improvements with GE water

planned.

EHS Specialist Improved

Environmental


Additional improvements Continue refresher training of the

operations team on installation of

portable CEMS analyser.

100 Training complete by site CEMS specialist to operations team

in Q1 2012

Maintenance Manager Increased compliance



conservation

Major Inspection of Gas Turbine which

will improve plant efficiency

10 Planning complete, work to take place in April 2012. This will

be an upgrade to Turbine, Combustion and Compressor

sections. (0.5% - 0.75% efficiency gains)


efficiency

Reduction of emissions to Water Implement mechanical seals on demin

pumps

10 Identified pumps where glands could be replaced by

mechanical seals to save water usage.


efficiency

Reduction of emissions to Water Review water usage in relation to boiler

preservation during unit downtime

events

100 Meeting held with GE Water and recommendations

implemented resulting in significant water savings.

Operations Manager Water usage reduction

Reduction of emissions to Air Upgrade CEMS server 100 Server upgraded in 2011 giving increased reliability and

durability of data.



Reduction of emissions to Air Update CEMS quality procedures to

include training requirements, how to

deal with deviations, analyser

certifications, maintenance calibration

schedules, reporting uncertainties,

standards used for analysis, contractor

quality assurance, reference to AG3 and

EPA guidance documents.

50 Project ongoing. Site team have attended EPA conferences

and are following requirements. Further improvements in

documentation are planned.



Additional improvements Complete annual refresher training on

all environmental training courses.

100 Complete EHS Specialist Improved

Environmental



Wastewater

Implement lighting at wastewater inlet

chambers.

100 An upgrade has been made to the lighting at the Waste Water

Treatment Plant. It is best practice for the operations team to

visually check the Waste Water Treatment Plant chambers

before a discharge so the additional lighting greatly enhances

these visual checks during the winter months.



Additional improvements Detailed audit of all environmental

scorecards for ISO 14001 recertification

and cross business environmental

audits.

10 Develop auditing teams to review all scorecards. EHS Specialist Increased compliance


Additional improvements Continue development of community

awareness and outreach in Power Plant

Operations and Environmental

Management activities on site.

100 Ongoing visits from local schools and universities and provision

of work experience to local students.

Plant Manager Public Awareness

24

Noise


Based on the new AER guidance the full noise report has not been submitted as part of the

AER. There are some points from the report that do need to be communicated alongside the

noise monitoring results reported in this section.

The relevance of using the LA90, 30 min as opposed to LAeq, 30 min for comparison with

the EPA emission limits is discussed in the report.

“In the case of the Tynagh CCGT Power Station, the LA90 statistical indicator was deemed

to represent the noise impact specifically from the power station. The reason being that the

noise from power station was a constant background noise and the LA90 statistical indicator

is defined as:

The noise level that is equalled or exceeded for 90% of the time – the L90 statistical noise

indicator is an indicator of the constant background noise level at any location.”

It should also be noted that the Agency agreed to the use of LA 90 measurements in the

annual noise surveys as documented in a previous inspection report in 2007 (Ref: (700)

(07SI04KR))

Tonality: with reference to guidance set out in ISO 1996 (Reference 2 in the report available

on site), the measured noise at NSL1 and NSL2 during day and night time is not deemed

tonal in character – full details in report.

The following template states that “Please ensure that a tonal analysis has been carried out

as per guidance note NG4.”

The noise survey was largely carried out in accordance with the procedures and

methodologies outlined in Guidance Note for Noise (NG4) including the items listed in Table

6; Checklist for Noise Measurement Reports. It should be noted that NG4, at the time of

report writing, is still in consultation form and the first draft was published after the annual

noise survey was conducted.

Monitoring was carried out according to the existing EPA Environmental Noise Survey

Guidance document (2003) and associated referenced documents such as ISO 1996.

1 Yes

2 Yes

3 No

4 N/A

5 No

Date of

monitoring Time period Noise location (on site)

Noise sensitive location -NSL (if

applicable) LAeq LA90 LA10 LAmax

Tonal or Impulsive

noise* (Y/N)

If tonal /impulsive noise was

identified was 5dB penalty

applied?

Comments (ex. main

noise sources on site,

& extraneous noise ex.

road traffic)

Is site compliant with

noise limits

(day/evening/night)?

28/07/2011 Day Southwest of site approx 600m NSL1 Residence 59.2 45.8 52.9 88.9No No Ref. Noise Survey

ReportYes

26/09/2011 Day Northeast of site approx 500m NSL2 Milchem Equestrian Centre 34.8 29.5 35.7 58.9No No

Ref. Noise Survey

ReportYes

28/07/2011 Night Southwest of site approx 600m NSL1 Residence 54.3 43.5 48.1 83.3No No

Ref. Noise Survey

ReportYes

28/07/2011 Night Northeast of site approx 500m NSL2 Milchem Equestrian Centre 36.5 29.2 37.5 64.4No No

Ref. Noise Survey

ReportYes

*Please ensure that a tonal analysis has been carried out as per guidance note NG4. These records must be maintained onsite for future inspection

N/A

Have there been changes relevant to site noise emissions (e.g. plant or operational changes) since the last noise survey?

Table 1: Noise monitoring summary

If noise limits exceeded as a result of noise attributed to site activities, please choose the corrective action from the following options?

Noise Monitoring Report Summary

Was noise monitoring a licence requirement for the AER period?

If yes please fill in table 1 noise summary below

Was noise monitoring carried out using the EPA Guidance note including completion of the "Checklist for noise measurement report"

included in the guidance note as table 6?

Does your site have a noise reduction plan

When was the noise reduction plan last updated?

26

Resource Usage / Energy Efficiency


The power plant running regime in 2011 was significantly different from previous years. The

plant run hours were down and plant starts were up; this shift was due to market conditions

and record wind generation levels. This change has resulted in considerable year on year

changes to our resource usage etc. Natural gas consumption and energy production are

both down by 57%, but electricity usage versus production shows a very large jump. This

anomaly is due to the fact that for the extended downtime periods the plant still has

significant power requirements. This was identified and action has been taken and typical

off-line electricity usage has been reduced by circa 25%.

Another major change during the year was the re-commissioning of the Gas Turbine

secondary fuel (Gasoil) system. For security of supply reasons and at the direction of the

CER Tynagh re-commissioned the system and underwent Eirgrid testing. In addition to

ongoing Eirgrid testing requirements (up to twice a year) the unit must regularly operate on

its secondary fuel to ensure continued operability of the system thereby considerably

increasing our consumption year on year.

The IPPC licence requirement to complete a full energy audit was completed in 2007. The

full report of this and implementation of recommendations from this energy audit were

reported in previous Annual environmental reports.Each year the site has a pro-active

energy efficiency team and complete a number of energy efficiency projects on site. These

also have been reported in previous AERs and projects to date have included:

• Improvements for the site aux equipment and lighting circuit modification kits ,

• Completed several plant condenser vacuum integrity leak checks to improve thermal

performance of the ST turbine plant and reduce overall ACC power consumption.

• Site has implemented a system of regular online and offline GT Blades washes to

maintain the power plant at its maximum energy efficiency level.

• Completed the installation of the GT Bellow cross-fire tube upgrade again increasing

overall GT thermal performance.

• Carried out a very significant GT cooling optimization upgrade (reported in 2009

AER) delivering significant fuel efficiency improvements.


1 2007

Site has an energy efficiency team as

part of Environmental Objectives and

targets each year. The site completes

a number of energy projects on site

each year.

2

SEAI - Large

Industry Energy

Network (LIEN) yes

Site is member of government led

Greenbusiness.ie imitative and has

had independent resource efficiency

audits on site.

3 yes 0.1

Energy Use Previous year kWh Current year kWh

Change in Energy use

+/- %

Production +/- %

compared to

previous reporting

year**

Energy

Consumption +/- %

vs overall site

production*

Total 4,438,047,992 1,928,396,798 -56.5%

Electricity 50,503,000 37,874,049 -25.0%

Fossil Fuels: - -

Heavy Fuel Oil - -

Light Fuel Oil 44,992 1,911,638 4149%

Natural gas 4,387,500,000 1,888,611,111 -57.0% -57% 2%

Coal/Solid fuel - -

Renewable energy generated on site - -

Water use Previous year m3/yr. Current year m3/yr.

Change in Water use

+/- %

Production +/- %

compared to

previous reporting

year**

Water Consumption

+/- % vs overall site

production*

Groundwater 84,297 58496 -31% 65%

Surface water 14,024 9908 -29%

Public supply - -

Total 98,321 68,404 -30% -57%

Date of audit Recommendations

Description of

Measures proposed Origin of measures

Predicted energy

savings %

Implementation

date Responsibility Completion date Status and comments

Table 2 Water usage on site

* where consumption of energy can be compared to overall site production please enter this information as percentage increase or decrease compared to

the previous reporting year.

** where site production information is available please enter percentage increase or decrease compared to previous year

* where consumption of water can be compared to overall site production please enter this information as percentage increase or decrease compared to

the previous reporting year.

** where site production information is available please enter percentage increase or decrease compared to previous year

Table 3: Energy Audit finding recommendations

Resource usage/ Energy Efficiency

When did the site carry out the most recent energy efficiency audit? Please list the recommendations in table 3 below

Is the site a member of any accredited programmes for reducing energy usage/water conservation such as the SEAI programme

linked to the right? If yes please list them in additional information

Where Fuel Oil is used in boilers on site is the sulphur content compliant with licence conditions? Please state percentage in additional information

Table 1 Energy usage on site

17-Feb-10 Review and removal of

lighting in some areas.

Review suitability of

lighting levels in all

plant areas to support

rationalise/reduction.e.

g Workshop lighting

upgrade.

energy audit 200 euros/year Feb-10 Site maintenance

manager

Sep-11 Greenbusiness energy audit

recommendation. Completed

a full review was completed of

site lighting levels and using

lux readings. Several changes

were made to reduce

unnecessary lighting where

possible.

04/01/2011 Improve site energy

efficiency

Continue review and

implement other

feasible energy

efficiency projects

other initiative

(Environmental

Improvement plan

target)

25% reduction in

houseload energy

use

01-Nov Site maintenance

manager

30/01/2012 Project completed with the

plant offline we identified

opportunities to switch off

certain items of plant at

different times based on plant

condition in order to reduce

the amount of KW's we are

using.


efficiency

Continue to monitor

plant to ensure

ongoing thermal

performance

optimization.

other initiative

(Environmental

Improvement plan

target)

09-Apr-12 Operations manager

and shift support

engineer

on-going on-going: thermal plant

efficiency measured with

operations manager as part of

monthly customer report.

Operations manager gives

update on thermal efficiency

performance to customer

monthly report.


efficiency

Implement a site

energy conservation

awareness programme.

To reduce

photocopying,

powering down etc

other initiative

(Environmental

Improvement plan

target)

Aug-11 Maintenance manager

and commercial

manager

on-going on-going: Commercial

manager has raised awareness

on photocopying. Waste team

led incentives to reduce waste

water on site. An energy

efficiency procedure has also

been developed.

29

Waste - PRTR


None.

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Sheet : Facility ID Activities AER Returns Workbook 31/3/2012 15:32

| PRTR# : P0700 | Facility Name : Tynagh Energy Limited | Filename : P0700_2011.xls | Return Year : 2011 |

Guidance to completing the PRTR workbook

Version 1.1.13

REFERENCE YEAR 2011

1. FACILITY IDENTIFICATION

Parent Company Name Tynagh Energy Limited

Facility Name Tynagh Energy Limited

PRTR Identification Number P0700

Licence Number P0700-01

Waste or IPPC Classes of Activity

No. class_name

2.1

The operation of combustion installations with a rated thermal input equal to or greater than

50MW

Address 1 PM Group

Address 2 Killakee House

Address 3 Belgard Square, Tallaght

Address 4 Dublin 24

Galway

Country Ireland

Coordinates of Location -8.38215 53.1666

River Basin District IEGBNISH

NACE Code 3511

Main Economic Activity Production of electricity

AER Returns Contact Name Colin Darcy

AER Returns Contact Email Address [email protected]

AER Returns Contact Position Technical Manager

AER Returns Contact Telephone Number 0909 745670

AER Returns Contact Mobile Phone Number 0870501639

AER Returns Contact Fax Number 0909 745752

Production Volume 1002635.0

AER Returns Workbook

| PRTR# : P0700 | Facility Name : Tynagh Energy Limited | Filename : P0700_2011.xls | Return Year : 2011 | Page 1 of 1

Production Volume 1002635.0

Production Volume Units Megawatt hours generated by powerplant

Number of Installations 1

Number of Operating Hours in Year 8760

Number of Employees 32

User Feedback/Comments

Web Address http:www.tynaghenergy.ie/

2. PRTR CLASS ACTIVITIES

Activity Number Activity Name

1(c) Thermal power stations and other combustion installations

3. SOLVENTS REGULATIONS (S.I. No. 543 of 2002)

Is it applicable? No

Have you been granted an exemption ?

If applicable which activity class applies (as per

Schedule 2 of the regulations) ?

Is the reduction scheme compliance route being

used ?

| PRTR# : P0700 | Facility Name : Tynagh Energy Limited | Filename : P0700_2011.xls | Return Year : 2011 | Page 1 of 1

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