Introduction to the Introduction to the EnergyPLAN modelEnergyPLAN model

Henrik Lund Aalborg University

Denmark

Aalborg University, September October Aalborg University, September October 20052005

PhD-course: Energy System Analysis I:PhD-course: Energy System Analysis I:

Content: Workshop Content: Workshop aproach…!!aproach…!!

Development aproach..!!Development aproach..!!

1. (23 August): Introduction to studies made by the use 1. (23 August): Introduction to studies made by the use of EnergyPLAN. Discussion of participants ideas of PhD of EnergyPLAN. Discussion of participants ideas of PhD projects and potential use of the model.projects and potential use of the model.

2. (30 August): Details inside the model. How does it 2. (30 August): Details inside the model. How does it work? How are the modelling of specific components, work? How are the modelling of specific components, units etc? Discussion of PhD-projects: Strengths and units etc? Discussion of PhD-projects: Strengths and weakness of the model? weakness of the model? – The period between 23 August and 5 September: The period between 23 August and 5 September:

Participants install the model and make familiar with the Participants install the model and make familiar with the model and make som preliminary analyses.model and make som preliminary analyses.

3. (6 September): Discussion of participants analyses. 3. (6 September): Discussion of participants analyses. Results, problems, room for improvements of the Results, problems, room for improvements of the model…!!! Etc..model…!!! Etc..

www.plan.aau.dk/~lundwww.plan.aau.dk/~lund

Download Download EnergyPLANEnergyPLAN

Download Download documentationdocumentation

Links to journal Links to journal articles (results)articles (results)

Links to research Links to research reports (Danish)reports (Danish)

EnergyPLAN Model 6.0EnergyPLAN Model 6.0

DemandsFixed electricityFlexible electricity District Heating

Capacities & EfficienciesCHP, Power plant,Heat Pump, BoilerHeat Storage

RESWind and PVCapacities (MW)Distribution FactorSolar Thermal and CSHP (TWh/year)

RegulationMarket prisesMultiplication factorAddition factor Depend factorMarginal productionCost (Import, export)Stabilisation demands

Distribution Data:

Market PricesElectricity District H. Wind

Regulation strategy:1. Meeting heat demand2. Meeting both heat and electricity demand Electricity Market Strategy:Import/export optimisation Critical surplus production:• reducing wind, • replacing CHP with boiler or heat pump• Electric heating and/or Bypass

Results:(Annual, monthly and hour by hour values)

•Heat productions•Electricity production•Electricity import export•Forced electricity surplus production

•Fuel consumption

•Payments from import/export

•CO2 emissions

•Share of RES

Input Output

Solar Industrial CHP Photo Voltaic

FuelTypes of fuelCO2 emission factors Fuel prices

EnergyEnergy System System

WindPower

Fuel

Power Plant

CHP unitCSHP unit

BoilerDH-boiler

HeatPump

HeatStorage

HeatDemand

ElectricityDemand

ImportExport

TransportFlexible

PhotoVoltaic

SolarThermal

EnergyEnergy System 6.2 System 6.2WindPower

Fuel

Power Plant

CHP unitCSHP unit

BoilerDH-boiler

HeatPump

HeatStorage

HeatDemand

ElectricityDemand

ImportExport

TransportFlexible

PhotoVoltaic

SolarThermal

Electro-lyser

Turbine

WaterStorage

PumpWaveEnergy

OverviewOverview Initial calculationsInitial calculations

From annual values to hour by hourFrom annual values to hour by hour RES modificationsRES modifications Market price modificationsMarket price modifications DH productionDH production Flexible demandFlexible demand

Optimisation calculations Optimisation calculations Technical optimisation of regulation I, II, III or IV Technical optimisation of regulation I, II, III or IV

accordingly accordingly Eventual market optimisationEventual market optimisation Improvements by use of Heat storageImprovements by use of Heat storage

NEW: Calculating electricity storage and electrolysersNEW: Calculating electricity storage and electrolysers Reducing critical excess productionReducing critical excess production Electrcity market modellingElectrcity market modelling Calculating resulting fuel and CO2 outputs Calculating resulting fuel and CO2 outputs

From annual values to hour From annual values to hour by hourby hour

- Demands (elec. Demands (elec. And district And district heating, heating, eventual eventual transport)transport)

- RES (wind and RES (wind and pv etc.)pv etc.)

- Market pricesMarket prices- Fixed Fixed

import/exportimport/export

RES modificationsRES modifications

)1(*11

*oldWW

oldWnewW eFacee

Market price modificationsMarket price modifications

pi (DKK/MWh) = NPi * F + Pa pi (DKK/MWh) = NPi * F + Pa

+ Fac+ Facdependdepend * D * Dtradetrade

DH productionDH production

qqDHPDHP = q = qii - q - qsolarsolar - q - qCSHPCSHP

Flexible demandFlexible demand

OverviewOverview Initial calculationsInitial calculations

From annual values to hour by hourFrom annual values to hour by hour RES modificationsRES modifications Market price modificationsMarket price modifications DH productionDH production Flexible demandFlexible demand

Optimisation calculations Optimisation calculations Technical optimisation of regulation I, II, III or IV Technical optimisation of regulation I, II, III or IV

accordingly accordingly Eventual market optimisationEventual market optimisation NEW: Calculating electrolysersNEW: Calculating electrolysers NEW: Calculating electricity storage NEW: Calculating electricity storage Improvements by use of Heat storageImprovements by use of Heat storage

Reducing critical excess productionReducing critical excess production Electrcity market modellingElectrcity market modelling Calculating resulting fuel and CO2 outputs Calculating resulting fuel and CO2 outputs

Regulation strategiesRegulation strategies

1. Meeting heat demands1. Meeting heat demands 2. Meeting both heat and electricity 2. Meeting both heat and electricity

demandsdemands

3. Like 2 BUT reduce CHP also when 3. Like 2 BUT reduce CHP also when is needed for stabilisation reasonsis needed for stabilisation reasons

4. Like 1 BUT meeting triple tariff.4. Like 1 BUT meeting triple tariff.

LimitationsLimitations

Stabilisation shareStabilisation share Minimum CHP 3 levelMinimum CHP 3 level Heat pump share of district heating Heat pump share of district heating

productionproduction

Eventual market Eventual market optimisationoptimisation

Marginal Marginal productioproduction costs n costs compared compared to market to market prices prices define the define the productioproductionn

EnergyEnergy System 6.2 System 6.2WindPower

Fuel

Power Plant

CHP unitCSHP unit

BoilerDH-boiler

HeatPump

HeatStorage

HeatDemand

ElectricityDemand

ImportExport

TransportFlexible

PhotoVoltaic

SolarThermal

Electro-lyser

Turbine

WaterStorage

PumpWaveEnergy

ElectrolyserElectrolyser

Produce fuel in the case of critical excess Produce fuel in the case of critical excess productionproduction

Heat replace 1. boilers, 2. CHP and 3. Heat replace 1. boilers, 2. CHP and 3. heat pumps in the relevant DH-group. heat pumps in the relevant DH-group.

Fuel is used to replace fuel consumption Fuel is used to replace fuel consumption in CHP and boilers in the relevant DH-in CHP and boilers in the relevant DH-group.group.

Electricity storageElectricity storage

Fill storage when positive critical excess Fill storage when positive critical excess productionproduction

Empty storage to replace condensing Empty storage to replace condensing power plant productionpower plant production

Iteration of storage content untill the Iteration of storage content untill the content in the beginning of the year is content in the beginning of the year is the same as in the end.the same as in the end.

Heat storageHeat storageIn two situations the storage can be loaded:In two situations the storage can be loaded: A: Increasing the use of HP in situations with A: Increasing the use of HP in situations with

electricity export.electricity export. B: Moving the electricity production from condensing B: Moving the electricity production from condensing

plants, epp to CHP plantsplants, epp to CHP plants

In two situations the storage can be unloaded:In two situations the storage can be unloaded: C: Reducing the CHP production in situations with C: Reducing the CHP production in situations with

electricity exportelectricity export D: Reducing the boiler production.D: Reducing the boiler production.

B is secondary to A and D is secondary to C. The four B is secondary to A and D is secondary to C. The four loading and unloading cases are used in the loading and unloading cases are used in the following order: C-A-B-D. following order: C-A-B-D.

OverviewOverview Initial calculationsInitial calculations

From annual values to hour by hourFrom annual values to hour by hour RES modificationsRES modifications Market price modificationsMarket price modifications DH productionDH production Flexible demandFlexible demand

Optimisation calculations Optimisation calculations Technical optimisation of regulation I, II, III or IV Technical optimisation of regulation I, II, III or IV

accordingly accordingly Eventual market optimisationEventual market optimisation NEW: Calculating electrolysersNEW: Calculating electrolysers NEW: Calculating electricity storage NEW: Calculating electricity storage Improvements by use of Heat storageImprovements by use of Heat storage

Reducing critical excess productionReducing critical excess production Electrcity market modellingElectrcity market modelling Calculating resulting fuel and CO2 outputs Calculating resulting fuel and CO2 outputs

Critical Excess Critical Excess productionproduction

1 Reducing wind production1 Reducing wind production

2. Reducing CHP in gr. 2 replacing with boiler2. Reducing CHP in gr. 2 replacing with boiler

3. Reducing CHP in gr. 3 replacing with boiler3. Reducing CHP in gr. 3 replacing with boiler

4. Replacing boiler with electric heating in gr. 4. Replacing boiler with electric heating in gr. 22

5. Replacing boiler with electric heating in gr. 5. Replacing boiler with electric heating in gr. 33

6. Reducing PV production6. Reducing PV production

7. Reducing power plant in combination with 7. Reducing power plant in combination with wind and PV productionwind and PV production

Electricity Market Electricity Market modellingmodelling

1. System prices1. System prices

2. Export 2. Export bottleneckbottleneck

3. Both export 3. Both export and import and import bottlenecksbottlenecks

Resulting fuel and CO2 Resulting fuel and CO2 outputsoutputs

Results:Results:

Introduction to the Introduction to the EnergyPLAN modelEnergyPLAN model

Henrik Lund Aalborg University

Denmark

Aalborg University, September October Aalborg University, September October 20052005

PhD-course: Energy System Analysis I:PhD-course: Energy System Analysis I: