connecting to the power transmission grid, petri parviainen, vaasa wind 2015

Connecting to The Transmission Grid in Finland

18.3.2015, Vaasa Wind Energy

Petri Parviainen

2009

2010

2011

2012

2013

2014

2015

2016

2017

2018

2019

2020

2021

2022

2023

2024

Fenno-Skan 2 DC connection to Sweden

Forssa reserve power plant

Yllikkälä - Huutokoski B 400 kV

Hyvinkää - Hikiä 400 kV

Estlink 2 DC connection to Estonia

Ulvila - Kristinestad 400 kV

Hikiä - Forssa 400+110 kV -yhteys

Hirvisuo - Pyhänselkä 400 kV

Lieto - Forssa 400+110 kV

Hikiä - Orimattila 400 kV

Reinforcement of Helsinki region network

Reinforcement of north-south connections

Keminmaa - Pyhänselkä 400 kV

3rd AC interconnection to Sweden

Grid connection of nuclear and wind power

Yllikkälä

Ulvila

Forssa

Hirvisuo

Lieto

Keminmaa

Hikiä

Huutokoski

Kristinestad

Tuovila

Pyhänselkä

Koria

Petäjävesi

Main grid development plan

EIA / Preliminary design

Detailed planning and permits

Implementation

2013-2023:

400 kV power lines 1500 km,

110 kV power lines 1000 km

90 % of new power lines will be constructed

along or next to an existing right of way

400 kV main grid

400 kV under construction

main grid base line scenarios

Contents

1. Basics

2. Substation connection

3. 110 kV powerline connection

4. Connection of the power plant

5. Connection process

6. Requirement for power plants

7. Agreements

8. Connection fees

9. Transmission grid pricing

10. Contact us

Connecting to The Transmission Grid in Finland

Petri Parviainen Fingrid, 18.3.2015

The new connection shall be defined taking into

account:

• Power of required consumption and/or generation, connection

requirements, and location of the connection

• Impacts on the system security of the grid and on the

environment

• Disadvantage caused by increasing outages and

disturbances on regional power generation and consumption

• Technical implementation options and costs

Technical solutions:

• Voltage level (110, 220,400 kV)

• Connection to a substation or transmission line

• Protection and compatibility of electrical equipment

• Energy measurement interfaces and data communications

The connection must conform to the terms of

connection

• Fingrid Oyj's general terms of connection

• Specifications for the operational performance of power plants

Basics - connecting to the power transmission grid 1(3)



Transmission line

in main grid

Fingrid`s substation

Customers

Substation

Fingrid`s substation

Customers

Substation

Customers

Substation

TWO OPTIONS TO CONNECT

A. Substation connection

B. Powerline connection

A.

B.

B.110 kV




http://www.fingrid.fi/

A substation connection is a connection to the Fingrid`s 400 kV, 220 kV or 110 kV substation

The connection shall be agreed in the Connection Agreement containing the fees, rights and

obligations

The customer is responsible for the construction of its own power line connection

Fingrid is responsible for the necessary technical arrangements at its substation or, if necessary,

Fingrid builds a new substation.

1 (1)Substation connection

Production and/or loads more than 25 MVA must be

connected to a substationPetri Parviainen Fingrid, 18.3.2015

A transmission line connection is a branch line or substation

which is connected to a 110 kV transmission line

The connection shall be agreed on Connection Agreement

including the fees, rights and obligations

The maximum allowed unit size of a transformer connected to

a transmission line is 25 MVA

Lots of regulation to take into account ...

1 (2)110 kV Powerline Connection


Power plants with a nominal power of more than 0.5 MVA connected to

the Finnish power system must fulfil The Specifications for the

Operational Performance of Power Plants (VJV),

A power plant:

– in excess of 250 MVA is connected to a 400 kV substation

– less than 250 MVA can be connected to a 110 kV substation

– the following can be connected to a 110 kV transmission line

power plant of less than 5 MVA

power plant of a maximum of 25 MVA when the short-circuit current fed

by the power plant to the main grid is at the most 1.2 times the rated

current of the power plant

Customer is responsible for the disconnection relays of its power plant.

These relays must:

– trip the power plant during the high-speed automatic reclosing of the

transmission line ( data communication access will be provided to

the site by Fingrid and it is included in the connection fee)

– contain at least frequency, zero voltage and undervoltage relays

Real-time information required from the customer:

– active power, reactive power and state information of switching

devices

– Update cycle of real-time exchange shall be at least 3 min

– FEN network, protocols: elcom, ICCP, IEC 60870-5-104

1 (2)Connection of Power Plant


Connection process

Contact and basic

information:

• Company data

• Power

• Location

• Preliminary

timetable

Planning,

Plans must be

delivered to Fingrid

for review

Construction,

Timetable,

Commissioning

protocol and delivery

to Fingrid

Customer

Connectivity Planning Construction Commissioning

Delivery of final

technical

documentation to

Fingrid

(in 2 months after

commissioning)

Fingrid

Examination of

connection solutions

alternatives of the

connection

Review of plans

Additional

instructions

Letter of intent

Connection

Agreement

Implementation

Outage and switching

planning

Review by operation

specialist

Main grid contract

Connection and

operation

Outages

Commercial

operation

Energy accounting


Grid Code Compliance Process


• General Requirements & Definitions

– Scope and Power Classes

– VJV-reference Point

• Technical Requirements

– Voltage and Frequency Operational Range

– FRT Requirement

– Reactive Power Capacity

– Voltage and Reactive Power Control

– Active Power and Frequency Control

– Power Quality

• Modelling

• Compliance testing

• Compliance Process and Data Delivery

– Stages 1 to 4

– Timeline of Compliance Process

– Data Exchange and Connection to 3rd Party

Networks

• Derogations

• Specific Study Requirements

Finnish Grid Code(VJV2013) and Wind Power

Timeline of the Grid Code Compliance Process (VJV2013)

Schedule requirement

Stage 1 – As soon as possible but no later than after the selection of the supplier of the main components of the Power Generating Facility

Stage 1 – Delivery of general data of the Power Generating Facility, determination of VJV Reference Point, and handling of potential derogations

Actions

WPP supplies Active Power to the Power System for the first

time

Stage 2 – No later than 3 months prior to the start of the Compliance Testing related to the Specifications

Stage 2 – Delivery of project-specific data of the Power Generating Facility and Compliance Testing Planning

Stage 3 – Accepted execution of Compliance

Testing, and documentation

of Compliance Testing

9 mo.

3 mo.

3 mo.

Stage 3 – 9 months from the date on which the WPP

supplied Active Power to the Power System for the

first time

Stage 4 – 12 months from the date on which the WPP

supplied Active Power to the Power System for the

first time

Stage 4 – Acceptance of the compliance

monitoring process of the Specifications


Grid Code Development

• Requirements specified for conventional generation, vague Nordel requirements for WPP

VJV2007 (effective before 12/2011)

• Specified requirements for WPP, requirements set from 0.5 MW capacity upwards

Update and extension to VJV2007 (12/2011-10/2013)

• Requirements, process and responsibilities for all power plants specified in one document

VJV2013 (effective 11/2013)

• Requirements based on ENTSO-E RfG, estimated by the end of 2018

VJV2018 (after European Commission is in favor for ENTSO-E RfG)


Agreements SIgned memo or Letter of Intent:

• The required environmental studies of the project have been started

• The municipal planning process has been started or the planning requirement

resolution has been decided for the power plant

• The Letter of intent is non-binding.

Connection Argeement:

• The municipal planning or the planning requirement resolution of the WPP is

legally binding

• The customer shall submit plans of physical connection. If there is a need for

a connection line of the WPP, an application for redemption has been filed to

authorities

• Connection fee has to be paid, when signing the agreement, at once or in two

stages as follows:

– 15 % shall be paid at latest 14 days after signing the contract

– The rest of the fee at latest 6 months after signing the contract

• Agreement is valid after it has been signed and connection fees are fully paid.

• Customer has to build and commission the high voltage connection within 24

months from signing the agreement

• If customer fails to complete agreed payments or to complete the connection,

the agreement expires. All fees are non-refundable.


Connection fees in 2014

Connection to a substation in the 400 kV grid: €2.0 million

Connection to a substation in the 220 kV grid: €1.2 million

Connection to the 110 kV grid:

radial line connection (up to 25 MVA) €0.5 million

present substation €0.6 million

new substation by a customer request, the customer pays the

total building costs *)

The fees are adjusted annually based on the actual construction costs of the transmission grid

The Connection Fee covers the operation and maintenance fees as well as grid modernisations

concerning the connection

*) If new connections are built to the substation in question for other customer or Fingrid during the

first 10 years from the commissioning of the substation, Fingrid will compensate to the first

customer the original construction costs deducted with current connection fee

17


Transmission Grid Pricing 2014

Distributionnetwork

Input into

the main grid

Production

Output from the main grid

Consumption

Input into

the main grid

Consumption

Production

Output from

the main grid

Unit prices €/MWh 2014Consumption fee, winter period 4,22

Consumption fee, other times 2,11

Output from the main grid 0,95

Input into the main grid 0,85

= Main Grid

connection point

= Distribution

connection point


Fingrid - at your service

Grid connections

Antti Kuusela

Adviser, Power Plants

- Grid code for power plants

- Customer service

- Testing and modelling

- Commissioning tests

Power plants

Niklas Löf,

Adviser, technical

coordinator and support

Petri Parviainen,

Helsinki area, Ostrobothnia,

Jarno Sederlund,

Eastern Finland, Lapland

Risto Ryynänen,

Uusimaa, South-East,

Mid-Finland

Fingrid Oyj, Kantaverkkopalvelut

Läkkisepäntie 21, 00101 HELSINKI

tel. 0303 95 5000

By e-mail

[email protected] or

[email protected]


Powering Finland.

connecting to the power transmission grid, petri parviainen, vaasa wind 2015

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