A Comprehensive Evaluation of Electricity Planning Models in Egypt: Optimization versus Agent-Based Approaches
Abstract
:1. Introduction
1.1. Sustainable Electricity Planning
1.2. Challenges of Electricity Supply in Egypt
2. Resource Potential
3. Amendments to the Electricity Policy
Consumption Segment (kWh/Month) | Residential Sector (Egyptian Piasters/kWh) Year | |||||
---|---|---|---|---|---|---|
2014/15 | 2015/16 | 2016/17 | 2017/18 | 2018/19 | 2019/20 | |
0–50 | 7.5 | 9 | 10 | 13 | 22 | 30 |
51–100 | 14.5 | 17 | 19 | 22 | 30 | 40 |
101–200 | 16 | 20 | 26 | 27 | 36 | 50 |
201–350 | 24 | 29 | 35 | 55 | 70 | 82 |
351–650 | 34 | 39 | 44 | 75 | 90 | 100 |
651–1000 | 60 | 68 | 71 | 125 | 135 | 140 |
>1000 | 74 | 78 | 81 | 135 | 145 | 145 |
Commercial (Egyptian Piasters/kWh) | ||||||
0–100 | 30 | 32 | 34 | 45 | 55 | 65 |
101–250 | 44 | 50 | 58 | 84 | 100 | 115 |
251–600 | 59 | 61 | 58 | 96 | 115 | 140 |
601–1000 | 78 | 81 | 86 | 135 | 145 | 155 |
>1000 | 83 | 86 | 86 | 140 | 150 | 160 |
4. Assessment of National Planning for Electricity Targets
5. Electricity Modeling Approaches
5.1. The Integrated MARKAL-EFOM System (TIMES)
5.2. Energy Landscape Transition Analysis and Planning in Egypt (ELTAP-EGY)
- is the change in action priority of actor for energy pathway in spatial cell for time period , which is one year in our case.
- is the adaptation rate of actor in spatial cell (in this model, we apply the same adaptation rate for all actors).
- is the sum of weighted marginal values (average), including all energy pathways l.
- is the marginal value of energy pathway for actor in spatial cell
- is the normalized value of spatial factor influencing spatial cell which is for some factors specific to energy pathway as in the case of the resource potential.
- is the weight of the spatial factor , where is the number of spatial factors.
- is the normalized value of the assessment indicator for energy pathway which is for some indicators a function of time.
- is the weight of the assessment indicator of actor .
6. Optimization versus Agent-Based Modeling
7. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
List of Abbreviations
ABM | Agent-based modeling |
ASTRA | ASsessment of TRAnsport strategies |
BaU | Business as usual |
BUENAS | Bottom-up energy analysis system |
CGE | Computable general equilibrium |
CoMSES Net | Network for Computational Modeling in the Social and Ecological Sciences |
CREMP | The Combined Renewable Energy Masterplan |
CSP | Concentrated solar power |
DNI | Direct normal irradiance |
EEHC | Egyptian Electricity Holding Company |
EGAS | The Egyptian Natural Gas Holding Company |
Egyptera | The Egyptian Electric Utility and Consumer Protection Regulatory Agency |
ELTAP | Energy landscape transition analysis and planning |
EMlab-Generation | Energy Modeling Laboratory–Generation |
ETM | EUROfusion Times Model |
ETSAP | Energy technology system analysis program |
EUCAD | European Unit Commitment and Dispatch |
Fit | Feed-in tariff |
GAMS | General algebraic modeling system |
GCAM | Global change assessment model |
GE | Generated electricity |
GEM-E3 | General Equilibrium Model for Economy-Energy-Environment |
GENESYS | Genetic Optimization of a European Energy Supply System |
GEO | Global energy observatory |
GHG | Greenhouse gas |
GIS | Geographic information system |
GTAP | Global Trade Analysis Project |
GW | Gigawatt |
IC | Installed capacity |
IEA | International Energy Agency |
iHOGA | Improved hybrid optimization by genetic algorithms |
IRENA | International Renewable Energy Agency |
KWh | Kilowatt-hour |
LEAP | Long-range energy alternatives planning |
LEDS | Low-emissions development strategies |
MAED | Model for analysis of energy demand |
MARKAL | MARKet ALlocation model |
MCDA | Multi-criteria decision analysis |
MESSAGE | Model for energy supply strategy alternatives and their general environmental impact |
MURE | Mesures d’Utilisation Rationnelle de l’Energie |
MW | Megawatt |
NG | Natural gas |
NREA | New and Renewable Energy Authority |
NREL | National Renewable Energy Laboratory |
OECD/NEA | The Organization for Economic Co-operation and Development/The Nuclear Energy Agency |
OPEC | The Organization of the Petroleum Exporting Countries |
OSeMOSYS | The Open-Source Energy Modeling System |
PJ | Petajoules |
POLES | Prospective outlook on long-term energy systems |
PRIMES | Price-induced Market Equilibrium System |
PV | Photovoltaic |
PyPSA | Python for Power System Analysis |
RE | Renewable energy share |
REEPS | Residential End-Use Energy Planning System |
ReMIND | Regional Model of Investments and Development |
SDGs | Sustainable development goals |
SE4A | Sustainable energy for all |
SNOW | Statistics Norway’s World model |
StELMOD | Stochastic Electricity Market model |
SWITCH | Solar, Wind, Transmission, Conventional generation, and Hydroelectricity |
TARES | Technical assistance to support the reform of the energy sector |
Temoa | Tools for energy model optimization and analysis |
TIMES | The Integrated MARKAL-Energy Flow Optimization Model (EFOM) System |
TWh/y | Terawatt-hour per year |
US EIA | United States Energy Information Administration |
WEM | World Energy Model |
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Resource Potential | Coal * | NG * | Wind | CSP | PV | Biomass | Nuclear * |
---|---|---|---|---|---|---|---|
TWh/y | 0.41 | 90,588.24 | 7650 | 73,656 | 36 | 15.3 | 536.47 |
Zone | Area (km2) | Capacity (MW) | |
---|---|---|---|
Suez Gulf (wind) | 1220 | 3550 | |
East Nile | Wind | 841 | 5800 |
Solar | 1290 | 34,900 | |
West Nile | Wind | 3636 | 25,350 |
Solar | 606 | 17,400 | |
Benban (solar) | 37 | 1800 | |
Kom Ombo (solar) | 7 | 260 |
Actual State | Planned Targets | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Year | GE (TWh/y) | IC (GW) | RE % *** | Hydro (MW) | Wind (MW) | PV (MW) | CSP (MW) | RE% | Hydro | Wind | PV | CSP | Coal | Nuc-lear |
2009 | 131 | 21.3 | 11.9% | 2800 11.2% | 430 0.7% | 10 * | - | 20% (2020) | (+)32 MW (2016) 8% (2020) | 7200 MW 12% (2020) | 20 MW (2017) | 20 MW (2010) 120 MW (2017) | - | - |
2010 | 139 | 22.7 | 10% | 2800 9.2% | 490 0.8% | - | - | - | - | - | - | - | - | - |
2011 | 147 | 23.5 | 9.9% | 2800 8.9% | 547 1.01% | - | 20 ** 34 GWh/y | - | (+)32 MW (2017) | - | - | - | - | - |
2012 | 157 | 25.7 | 9.2% | 2800 8.2% | 547 0.97% | - | 20 | 20% (2020) | 6% (2020) | 12% (2020) | 2% solar (2020) | - | - | |
700 MW (2027) | 2800 MW (2027) | |||||||||||||
2014 | 168 | 26.1 | 8.8% | 2800 8% | 547 0.8% | - | 20 | - | - | (+)250 MW | - | - | - | - |
2015 | 175 | 35.2 | 8.7% | 2800 7.9% | 547 0.8% | - | 20 | 20% (2022) | - | 1890 MW (2019) +970 MW | 2580 MW (2018) | (+)100 MW | - | 5 GW (2022) |
2016 | 186 | 38.9 | 8.4% | 2800 7.3% | 747 1.1% | 30 * | 20 | - | (+)32 MW (2017) | 7200 MW (2022) (+)500 MW (+)2000 MW (Fit) | (+)400 MW | (+)100 MW | - | - |
(+)2300 MW (Fit) | ||||||||||||||
2017 | 189.5 | 45 | 7.96% | 2800 6.8% | 747 1.16% | 30 * | 20 | - | (+)2400 MW | (+)1070 MW | (+)400 MW | (+)100 MW | (+)2640 MW (+)6600 MW (2027) | |
2018 | 196.8 | 55.2 | 7.73% | 2832 6.5% | 967 1.2% | 44.2 * 50 0.03% | 20 | - | (+)2610 MW (2023) (+)2000 MW | (+)20 MW (+)26 MW | ||||
2019 | 199.8 | 58.4 | - | 2832 | 1127 | 1465 | 20 | 42% (2035) | (+)2650 MW | (+)1196 MW | (+)100 MW | |||
2020 | 197.4 | 59.5 | - | 2832 | 1385 | 1491 | 20 | 42% (2035) | (+) 500 (2023) | (+) 400 MW |
Modeling Methodology | Characteristics | Examples |
---|---|---|
Top-Down Energy Models | ||
Computable general equilibrium (CGE) | It considers the whole economy and determines the equilibrium across all markets. It identifies important economic parameters endogenously. | GEM-E3; GTAP; SNOW |
System dynamics | It explains the behavior of an interacting social system due to the assumed interdependencies, taking into consideration the dynamic changes over time of different components that represent the defined system. It is made up of flows, stocks, central components of the defined system, and feedback loops represented by non-linear differential equations. | POLES; ASTRA |
Bottom-Up Energy Models | ||
Partial equilibrium | It emphasizes balancing the economy of only one market, which would be the energy or electricity market. | MARKAL; ETM |
Simulation | It allows testing of various topologies of systems and their impacts. Scenarios can be developed. | REEPS; WEM; MURE |
Game theory | A type of simulation model focusing on the interaction of players in the energy market. | Cournot; Bertrand; Supply Function Equilibria |
Accounting framework simulation | It accounts for the physical and economic flows of the energy system, specifically the outcomes of the assumed development in a descriptive or prescriptive manner. It is commonly applied to project future energy demand and related emissions of final energy sectors. | LEAP; BUENAS; MAED |
Agent-based | A specific case of simulation model in which actors participating in the decision-making process are explicitly represented as agents having distinct behavior and objectives. | EMlab-Generation; PowerACE; ELTAP |
Optimization | The aim of this model is to optimize a given quantity which is usually related to the system operation or investment or several aspects simultaneously. | MARKAL; TIMES; MESSAGE |
Linear programming | This is an example approach of optimization methodology with an objective function to be maximized or minimized and subject to a set of constraints. | Temoa; PyPSA: OSeMOSYS |
Mixed integer linear programming | This is another optimization approach which forces certain variables to be integral. | SWITCH; StELMOD |
Mixed integer quadratically constrained programming | An optimization approach in which both the objective functions and the constraints are quadratic. | EUCAD |
Covariance matrix adaptation evolution strategy | The optimal solution can be approximated. | GENESYS |
Heuristic optimization | They do not necessarily find the optimum solution. | GENESYS; iHOGA |
Hybrid Energy Models | ||
Non-linear programming | An optimization approach with non-linear characteristics of the objective functions. | ReMIND |
Mixed integer programming | See above | BALMOREL |
Partial equilibrium | See above | POLES; PRIMES; GCAM |
Simulation | See above | WEM |
Scenarios | Oil and NG | Coal | Nuclear | Renewables * | Subsidies |
---|---|---|---|---|---|
Baseline scenario: Business as usual (BaU) | Employ the most likely forecast for indigenous production | Installed after 2020 | Apply the current national program for nuclear energy | Add not more than 1 GW of PV, 1 GW of wind, and 400 MW of CSP per year | Kept constant until 2035, reduced by 50% until 2020, and removed by 2025 |
Scenarios 1: Different renewable development policy | Same as BaU | Available | Available | Three sub-scenarios: | Same as BaU (b) |
20% Target Scenario | Delayed Reference Scenario of the Combined Renewable Energy Masterplan (CREMP) | Minimum Fuel Scenario of the CREMP | |||
Scenario 2: Delayed development and high-energy-efficiency policy | Same as Scenarios 1 | Same as Scenarios 1 | Delayed by five years | Three measures: | The same as Scenarios 1 |
Same as Scenario 1 (b) | Introduction of higher rates of energy efficiency | Deployment of policy measures to promote more efficient equipment and behavioral changes | |||
Scenario 3: High renewables policy | Not specified | Not included | Not included | High penetration policy | Not specified |
Scenario 4: Least cost policy | All resources compete based on their relative cost. | Available | (a) free to compete (b) enforcing two operating units in 2025, the third in 2026, and the fourth in 2027. |
| Eliminated by 2020 |
Criteria | TIMES-EG | ELTAP-EGY |
---|---|---|
Purpose | The model is used for the exploration of possible energy futures based on contrasted scenarios in Egypt. | The model simulates spatial behavioral adaptation of actors’ priorities of investments in future electricity technologies. These priorities are then allocated to the predicted electricity demand. |
Modeling methodologies |
|
|
Availability for use | 2008 | 2018 |
Accessibility to the model | The source code for model generator is available free of charge upon providing a signed copy of the ETSAP Letter of Agreement to the ETSAP Operating Agent. | Free to download from the website of CoMSES Net (Network for Computational Modeling in the Social and Ecological Sciences) |
Computer programming language | GAMS | Netlogo 5.3.1 |
Temporal scale | 2010–2035 | 2015–2100 |
Temporal resolution | 5 years | 1 year |
Stakeholder involvement | They identified different future scenarios to be considered as constraints for the model. | They took part in identifying their preferences of the criteria that were utilized for the assessment of the technologies which reflect their decision behaviors in selecting a future technology. The social acceptance of the technologies has been considered through citizens’ participation in a survey. |
Technology assessment parameters | Only technical and economic | It involves multiple sustainability dimensions (i.e., technical, economic, environmental, and social). |
Spatial allocation of technologies | Not considered | The model ranks spatial units within the case study for the installation of a specific technology. |
Case studies | Multi-regional | The model has been applied only to Egypt and its spatial units. |
Demand prediction | Embedded in the model | Calculated separately |
Scope | Covers all energy sectors | Addresses only the electricity sector |
Scope of technologies | Biomass is not included. Combustion-type power plants have been specified for oil and natural gas (i.e., steam turbine, combined cycle, gas turbine, combined heat and power). | Biomass is included. Natural gas- and oil-fired plants have been considered without specifying turbine type. |
Behavior of actors | Assumed to be optimal | Actors have an adaptive, unique behavior. |
Difficulty of data collection and availability | Low, since it focuses on technical and economic inputs that are mostly available | High, since it involves the social and environmental dimensions as well as the preferences of different stakeholders |
Complexity of the model and execution time | Low to medium | Medium to high |
Exploitation of the results | Already in use by the government | For research purposes only |
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Shaaban, M.; Scheffran, J.; Elsobki, M.S.; Azadi, H. A Comprehensive Evaluation of Electricity Planning Models in Egypt: Optimization versus Agent-Based Approaches. Sustainability 2022, 14, 1563. https://doi.org/10.3390/su14031563
Shaaban M, Scheffran J, Elsobki MS, Azadi H. A Comprehensive Evaluation of Electricity Planning Models in Egypt: Optimization versus Agent-Based Approaches. Sustainability. 2022; 14(3):1563. https://doi.org/10.3390/su14031563
Chicago/Turabian StyleShaaban, Mostafa, Jürgen Scheffran, Mohamed Salah Elsobki, and Hossein Azadi. 2022. "A Comprehensive Evaluation of Electricity Planning Models in Egypt: Optimization versus Agent-Based Approaches" Sustainability 14, no. 3: 1563. https://doi.org/10.3390/su14031563
APA StyleShaaban, M., Scheffran, J., Elsobki, M. S., & Azadi, H. (2022). A Comprehensive Evaluation of Electricity Planning Models in Egypt: Optimization versus Agent-Based Approaches. Sustainability, 14(3), 1563. https://doi.org/10.3390/su14031563