scrutinizing electricity sector results from primes energy system model using soft-linking...
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Scrutinizing electricity sector results from PRIMES Energy System model using soft-linking methodology
Seán Collins, Paul Deane and Brian Ó Gallachóir UN City Copenhagen | IEA-ETSAP Meeting 2014
18th Sept ‘14
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Overview
• Objectives • Methodology • Software used • Multi-Model Approach • Data Utilised • Model Structure • Scrutinization of Results
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Objectives
• To test the technical appropriateness and robustness of PRIMES Reference Scenario results for the electricity sector.
• Identify concerns which accompany them, including :
Generation Adequacy and reliability of the power system Renewable curtailment Flexibility of the power system to absorb variable renewables Congestion on interconnector lines
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Methodology
• A soft-linking methodology was employed to scrutinize specific results from the electricity sector for a target year.
+ Deane, J.P., Chiodi, A., Gargiulo, M., Ó Gallachóir, B.P., 2012. Soft-linking of a power systems model to an energy systems model. Energy 42, 303–312. doi:10.1016/j.energy.2012.03.052
• Done using a dedicated power system model (PLEXOS).
• Model simulates the operation of the EU power system at high temporal and technical resolution for a target year.
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The Software we use for electricity/gas: PLEXOS
Main slide text • Academic License • Transparent and auditable • Strong commercial user base • Strong R&D focus from development team • Production Cost Simulation • Electric and Gas modelling • Capacity Expansion Capability • Market Analysis and Market Design • Transmission Analysis • Stochastic Optimisation • Hydro Generation Resource Management
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Multi-Model Approach - EU
PLEXOS Integrated Gas and Electricity model soft-links to PRIMES Energy system model or TIMES Integrated Energy System Model
Power System Model Provides: -Detailed analysis of energy system model results using soft-linking techniques+ -High temporal resolution (15min-1 hr) -High technical detail, reserve modelling, hydro modelling, multi-stage stochastic UC -Ramping costs, flexibility metrics EU 28 Model- 3,000 generators, 22 PHES Units, 53 IC Lines + Deane, J.P., Chiodi, A., Gargiulo, M., Ó Gallachóir, B.P., 2012. Soft-linking of a power systems model to an energy systems model. Energy 42, 303–312. doi:10.1016/j.energy.2012.03.052
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Process PRIMES
Reference Scenario 2030
Installed Capacities Generation Mix
Constraints
Local Hourly Wind and Solar Generation
Profiles
Electrical Power Demand Profiles &
Interconnection levels
PRIMES 2030 EU-28 PLEXOS Model
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Data Utilised
PRIMES Results
• The PRIMES model is a modelling system that simulates a market equilibrium solution for energy supply and demand. The model is organized in sub-models (modules), each one representing the behaviour of a specific (or representative) agent, a demander and/or a supplier of energy.
• These include predicted installed generation capacities, Gross & Net Electrical Generation by plant type and indicators for electricity generation among other results
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Data Utilised
Wind Generation Data (Hourly)
• Based on NASA MERRA Data
• Developed Wind Profiles in countries in line with capacity factors outlined in PRIMES
• Wind profiles based on local condition in all countries
• Created Normalised generation profiles in line with PRIMES generation capacities
• Based on multi turbine generation curve
Solar Generation Data (Hourly)
• Calculated using PV Watts online package developed by NREL
• Solar profiles based on local solar irradiation data for all countries
• Normalised Profiles created for PLEXOS model
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Data Utilised
Electrical Demand Data (Hourly)
• Sourced for individual countries from ENTSO-E
Levels of interconnection
• The level of interconnection between member states are considered.
• Present Day figures interconnection data sourced from ENTSO-E
• 2030 Interconnection levels determined from ENTSO-E Ten Year Network Development Program
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Structure of Model in Excel
Automatically adjusts to changes in PRIMES 2030 Capacity & Generation figures
Reference data sheet for power plant data (heat rate, start up cost maintenance rate, fuel price etc.) common for all EU-28
Workbooks can be easily created/edited and linked to external data sources
Transparent method for large model building for Non-
PLEXOS users
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Results - Loss of Load Probability
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
LOLP
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2030-Hours of Congestion on IC Lines
NTC between MS
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NTC between MS NTC between MS
2030 Curtailment (%) Ref Scenario
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NTC between MS NTC between MS
Total Generation Costs
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2030 – Prices
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Conclusions
• Soft Linking methodology provides a firm test of the appropriateness of PRIMES 2030 Results
• Preliminary results from this model indicate: – Potential overestimation of flexibility of wind generation in PRIMES
Ref Scenario
– The need for increased interconnection between member states
Future work: – Incorporate CHP in model, Include Switzerland and Norway in model
and improve renewable energy profiles
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Thank You
www.ucc.ie/energypolicy