Evolutionary Game Analysis of Multi-Agent Synergistic Incentives Driving Green Energy Market Expansion
Abstract
1. Introduction
2. Literature Review
2.1. Synergistic Mechanism of Green Energy Market Participating Subjects
2.2. Evolutionary Game Theory
3. Model Assumptions and Construction
3.1. Model Assumptions
- (1)
- Evolutionary game subjects. The three-way game between the government, energy suppliers, and owners is fundamentally a synergistic process of ‘policy—driven—market response—owner’s choice’. The government prioritizes maximum social benefits, controls market behavior through subsidies and regulation, and encourages the use of green energy in buildings. Energy suppliers prioritize profit maximization, comparing the added cost of green energy against policy incentives, and their strategic decisions are influenced by both governmental limits and owner requirements. Owners seek complete utility maximization by assessing the economics of green energy, such as retrofit costs, long-term energy savings benefits, and environmental preferences. Their decisions are influenced by subsidies, energy provider preferences, and environmental consciousness.
- (2)
- Behavioral strategies of game subjects. The strategy space of the government is = (strict regulation, lax regulation) and chooses with probability and with probability , where . The energy supplier’s strategy space is = (provide green energy, provide conventional energy) and chooses with probability and with probability , where . The owner’s strategy space is = (buy green energy, don’t buy green energy) and chooses with probability and with probability , where .
- (3)
- Basic model assumptions. Assumption 1: The government, energy suppliers, and owners are all restricted rational subjects whose strategy decisions are based on balancing advantages and costs rather than fully rational optimization. The three parties’ strategy choices change dynamically over time, and they gradually improve their strategies through learning and imitation.Assumption 2: The market is totally competitive, and the quantity of energy suppliers and owners is high enough that a single subject’s behavior has no major impact on the market price. The government’s regulatory policy directly affects the conduct of energy suppliers, but the purchasing decisions of owners also affect the strategic options of energy suppliers. The owners’ opinion and acceptance of green energy are influenced by government campaigns and policies. The usage of green energy provides beneficial environmental externalities, but it may incur higher short-term costs.
- (4)
- Profit and loss parameters for each party.
- Government strategies: ‘strict regulation’ and ‘lax regulation’:
- VG1: Base benefit to the government under the lax regulation strategy;
- CG1: Regulatory cost incurred by the government under the strict regulation strategy;
- VG2: Incremental benefit generated by strict regulation;
- UG1: Incremental benefit to the government when energy suppliers choose to provide green energy;
- UG2: Incremental benefit to the government when owners choose to purchase green energy.
- 2.
- Energy supplier strategies: ‘provide green energy’ and ‘provide traditional energy’:
- VE1: Base revenue for suppliers under the provision of the traditional energy strategy;
- CE1: Incremental cost for suppliers when choosing to provide green energy;
- VE2: Incremental revenue for suppliers when choosing to provide green energy;
- SE: Government subsidy to suppliers under strict regulation;
- PE: Government penalty imposed on suppliers for providing traditional energy under strict regulation;
- UE1: Incremental benefit to suppliers when owners choose to purchase green energy.
- 3.
- Owner strategies: ‘Buy green energy’ or ‘Don’t buy green energy’:
- VO2: Base utility for owners under the strategy of not purchasing green energy strategy;
- CO1: Incremental cost for owners when choosing to purchase green energy;
- VO1: Incremental utility for owners when choosing to purchase green energy;
- CO2: Incremental maintenance cost for owners when choosing purchases green energy;
- SO: Government subsidy to owners under strict regulation;
- R: Incentive offered to owners by suppliers when choosing to provide green energy;
- UO1: Incremental benefit to owners when purchasing green energy.
3.2. Establishing the Three-Party Game Payment Matrix
4. Evolutionary Game Analysis of Green Energy Synergistic Promotion Subjects
4.1. Replicating Dynamic Equations of the Main Body of the Game
- (1) The expected returns and average expected returns of the government under the ‘strict regulation’ and ‘lax regulation’ strategies are shown in , , and :
4.2. Analysis of the Evolutionary Stability of the Game Subjects
- (1)
- Stability analysis of government strategy
- (2)
- Stability analysis of energy supplier strategies
- (3)
- Stability analysis of owner strategies
4.3. Stability Analysis of System Equilibrium Points
5. Simulation Analysis of Multi-Subject Synergistic Strategies
5.1. Evolutionary Stabilization Strategy
5.2. Parameter Sensitivity Analysis
- (1) Sensitivity study of on penalizing energy providers that provide conventional energy under stringent government control. Figure 5a shows that the probability of energy suppliers choosing to ‘provide green energy’ stabilizes in a relatively short time because of the significant impact of government penalties, whereas the probability of the government adopting ‘strict regulation’ and the probability of owners choosing to ‘purchase green energy’ stabilizes more slowly. The likelihood of the government using a ‘strict regulation’ plan and the likelihood of owners deciding to ‘purchase green energy’ are both sluggish to stabilize. Energy providers are demonstrably very sensitive to the government’s punishment mechanism and may swiftly modify their strategy to reduce losses. As seen in Figure 5b, when the system evolves to the steady state point, an increase in government fines decreases the likelihood that energy providers would choose to produce green energy, while an increase in increases the likelihood of rigorous government control. As a result, the government must create an appropriate amount of penalty that will successfully stimulate energy providers to migrate to green energy while also allowing for a reasonably speedy return to equilibrium.
- (2) Sensitivity study of subsidies to energy providers under stringent government regulations. As seen in Figure 6a, has a greater influence on energy providers; it stabilizes in the shortest amount of time, and the more the subsidy, the quicker the convergence. Meanwhile, has a greater influence on the government, and the more subsidies the government offers, the longer the government severely takes to regulate. In Figure 6b, increasing subsidy strength encourages energy suppliers to produce green energy more promptly, resulting in lower government regulation. As a result, the government should establish a reasonable subsidy structure while also considering the implementation of appropriate regulatory measures to ensure that funds are used rationally.
- (3) Sensitivity study of the subsidy for owners subject to tight regulatory regulations. Figure 7a shows that has a stronger impact on owners; the higher the subsidy, the faster owners choose to acquire green energy. As seen in Figure 7b, when subsidies increase, the government gradually loosens regulations, while energy companies prefer to produce green energy faster. Temporal analysis of owner adoption behavior under sustained policy implementation demonstrates that with baseline parameters ( = 1.2, = 0.8), the initial evolutionary stable state of adoption probability converges to 0.5. Subsequent implementation of stepped dynamic subsidies ( incrementally adjusted to 3.2) in conjunction with persistent intelligent regulatory mechanisms results in the adoption probability reaching a new stable equilibrium of 0.65 after three simulation cycles. This transition corresponds to a 30% growth rate, derived as (0.65 − 0.5)/0.5 × 100%. As a result, the government must constantly alter the subsidy program for owners based on market demand and the impact of energy conservation and pollution reduction. At the same time, the government should maintain the necessary level of regulation to guarantee that energy suppliers continue to supply high-quality green energy. The government could also improve owners’ knowledge of green energy and boost their consciousness of environmental protection, allowing them to actively opt to acquire green energy despite reduced incentives.
- (4) Sensitivity study of the incentives provided to owners when energy suppliers opted to provide green energy. Figure 8a shows that concessions have the largest impact on owners, and the more concessions, the sooner owners choose to buy green energy. As seen in Figure 8b, the more concessions the energy supplier makes to the owner, the slower the rate at which the government tends to rigorously control, and the higher the , the more the energy supplier will gradually move from supplying traditional energy to providing green energy. As a result, the government can offer incentives such as tax breaks and subsidies to encourage energy suppliers to raise their concessions and promote the widespread adoption of green energy. Based on market demand and government rules, energy suppliers might offer attractive incentives to encourage owners to switch to green energy, with higher incentives at first and gradually decreasing as the market matures.
- (5) Sensitivity analysis of the incremental benefit to the government when owners buy green energy. As shown in Figure 9a, has the most influence on the government, and when rises, the government chooses to tighten regulations. Figure 9b shows that the larger the , the more stringent the government regulation, and energy suppliers may continue to provide conventional energy in the short term because green energy infrastructure and technology are not yet fully developed. As a result, the government should dynamically alter its regulatory efforts to reflect changes in . Simultaneously, energy providers should optimize their energy mix and raise the amount of green energy supply to fulfill regulatory and market demands.
- (6) The government’s improvement path. As observed in Figure 10a, the increase in cost due to rigorous government regulations is a negative incentive for x to converge to 1. When the expense of rigorous government regulation is too high, the likelihood of the government adopting strict regulation initially rises and then falls, with the government eventually opting for loose regulation. As observed in Figure 10b, the increase in provides a positive incentive for x to converge to 1. The greater the incremental benefit of to the government from the owner’s purchase of green energy, the slower the government’s adoption of severe regulations. As observed in Figure 10c, the increase in provides a negative incentive for to converge to 1. The more the government subsidizes the energy supply, the slower it will be to choose to regulate. By vertical comparison, changes in and are more likely to accelerate x-to-one convergence. As a result, the government can improve regulatory effectiveness and lower the cost of stringent control by implementing modern technical tools such as big data and artificial intelligence. It can also dynamically alter energy provider subsidies based on market response, energy savings, and emission reduction impacts. Subsidies can be increased early to encourage the use of green energy, then gradually lowered as the market matures to minimize over-reliance.
- (7) The energy supplier’s improvement strategy. As observed in Figure 11a, the increased extra cost CE1 for energy providers to offer green energy diminishes y’s preference to converge to 1. The greater the extra cost, the less likely energy providers are to provide renewable energy. As observed in Figure 11b, PE is a positive incentive for y-to-1 convergence and increasing PE pushes energy providers to provide green energy more rapidly. As observed in Figure 11c, government subsidies to energy providers SE create a strong incentive for them to converge on 1. Higher subsidies result in a quicker supply of green energy. In a longitudinal comparison, the decrease in incremental cost CE1 is more likely to increase the rate of y-to-1 convergence. Therefore, energy providers should emphasize innovation and research in green energy technologies to reduce green energy production and operating costs, hence improving green energy supply stability.
- (8) Owner’s improvement path. As observed in Figure 12a, the increase in incremental cost while purchasing green energy provides a negative incentive for z-to-1 convergence, and the higher the incremental cost, the slower the owner chooses to buy green energy. As observed in Figure 12b, the government’s subsidy for owners is a positive incentive for z-to-1 convergence, and an increase in encourages owners to acquire green energy more quickly. As observed in Figure 12c, the incentive offered by the energy supplier encourages to converge to 1. The larger the incentive, the faster the owner will choose to acquire green energy. In a longitudinal comparison, a drop in incremental cost and an increase in preference are more effective in accelerating the rate of z-to-1 convergence. As a result, owners can band together to buy green energy in bulk and save money on procurement. Long-term contracts with energy suppliers are also considered to secure additional concessions and reductions while lowering long-term purchasing expenses.
5.3. Model Validation Against Empirical Observations
6. Conclusions and Research Limitations
6.1. Conclusions
6.2. Limitations
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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The Main Body of the Game | Government ‘Strict Regulation’ x | Government ‘Lax Regulation’ 1 − x | ||
---|---|---|---|---|
Energy Suppliers ‘Delivering Green Energy’ y | Energy Suppliers ‘Providing Traditional Energy Sources’ 1 − y | Energy Suppliers ‘Delivering Green Energy’ y | Energy Suppliers ‘Providing Traditional Energy Sources’ 1 − y | |
Owners ‘buying green energy’ z | VG1 + VG2 − CG1 − SE − SO + UG1 + UG2 | VG1 + VG2 + PE − CG1 − SO + UG2 | VG1 + UG1 | VG1 |
SE + VE1 + VE2 − CE1 − R + UE1 | −PE + VE1 | VE1 + VE2 − CE1 − R + UE1 | VE1 | |
SO + UO1 + R+VO2 + VO1 − CO1 − CO2 | SO + VO2 + VO1 − CO1 − CO2 | UO1 + R+VO2 + VO1 − CO1 − CO2 | VO2 + VO1 − CO1 − CO2 | |
Owners ‘don’t buy green energy’ 1 − z | VG1 + VG2 − CG1 − SE + UG1 | VG1 + VG2 + PE − CG1 | VG1 + UG1 | VG1 |
SE + VE1 + VE2 − CE1 | −PE + VE1 | VE1 + VE2 − CE1 | VE1 | |
UO1 + VO2 | VO2 | UO1 + VO2 | VO2 |
Balance Point | Eigenvalue | Stability Conditions |
---|---|---|
E1 (0, 0, 0) | λ1 = VE2 − CE1 > 0 λ2 = PE − CG1 + VG2 > 0 λ3 = VO1 − CO2 − CO1 > 0 | unstable point |
E2 (1, 0, 0) | λ1 = CG1 − PE − VG2 < 0 λ2 = SO − CO2 − CO1 + VO1 > 0 λ3 = PE − CE1 + SE + VE2 > 0 | Saddle point |
E3 (0, 1, 0) | λ1 = CE1 − VE2 < 0 λ2 = VG2 − SE − CG1 λ3 = R − CO2 − CO1 + VO1 > 0 | Saddle point |
E4 (0, 0, 1) | λ1 = CO1 + CO2 − VO1 < 0 λ2 = UE1 − R − CE1 + VE2 > 0 λ3 = PE − CG1 − SO + UG2 + VG2 > 0 | Saddle point |
E5 (1, 1, 0) | λ1 = CG1 + SE − VG2 λ2 = CE1 − PE − SE − VE2 λ3 = R − CO2 − CO1 + SO + VO1 > 0 | Saddle point/unstable point |
E6 (1, 0, 1) | λ1 = CO1 + CO2 − SO − VO1 λ2 = CG1 − PE + SO − UG2 − VG2 λ3 = PE − CE1 − R + SE + UE1 + VE2 | Saddle point/unstable point |
E7 (0, 1, 1) | λ1 = CO1 + CO2 − R − VO1 < 0 λ2 = CE1 + R − UE1 − VE2 < 0 λ3 = UG2 − SE − SO − CG1 + VG2 > 0 | Saddle point |
E8 (1, 1, 1) | λ1 = CG1 + SE + SO- UG2 − VG2 λ2 = CO1 + CO2 − R − SO − VO1 < 0 λ3 = CE1 − PE + R − SE − UE1 − VE2 | When UG2 + VG2 − CG1 > SE + SO and UE1 + VE2 − CE1 > R − PE − SE, Evolutionary Stable Strategy |
Stakeholder | Key Findings | Optimization Paths/Recommendations |
---|---|---|
Government | Dual-threshold effects of regulation: Penalties beyond critical levels accelerate supplier transitions but reduce policy effectiveness. | Stepped dynamic subsidies: High intensity initially, phased reduction intermediately, minimized/withdrawn at maturity. |
Subsidies require dynamic calibration to market maturity. | Intelligent regulation systems: Leverage big data to reduce CG1 and enhance efficiency. | |
Strict regulation costs (CG1) and subsidies (SE, SO) most significantly impact their strategic decisions. | Set reasonable penalty levels (PE): Balance incentive effectiveness and regulatory cost sustainability. | |
Energy Suppliers | Technological innovation by reducing incremental costs (CE1) creates positive market feedback. | Increase research and development investment: Reduce CE1 to ensure green energy supply reliability. |
High sensitivity to government penalties (PE). | Optimize energy mix: Increase green energy supply share to meet regulatory/market demands. | |
Government subsidies (SE) strongly incentivize green energy provision. | Offer owner incentives (R): Stimulate green energy adoption through concessions. | |
Incremental costs (CE1) are the primary factor influencing strategic choices. | ||
Owners | Short-term decisions: Primarily driven by economic incentives. | Collective purchasing/Long-term contracts: Reduce (CO1) through bulk procurement and negotiated concessions. |
Long-term choices: Gradually influenced by environmental awareness under policy guidance. | Enhance environmental awareness: Decrease reliance on economic incentives over time. | |
Incremental costs (CO1), government subsidies (SO), and supplier incentives (R) critically affect adoption decisions. | Utilize available incentives: Maximize benefits from SO and R to lower adoption barriers. |
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Yang, Y.; Yu, X.; Wang, B. Evolutionary Game Analysis of Multi-Agent Synergistic Incentives Driving Green Energy Market Expansion. Sustainability 2025, 17, 7002. https://doi.org/10.3390/su17157002
Yang Y, Yu X, Wang B. Evolutionary Game Analysis of Multi-Agent Synergistic Incentives Driving Green Energy Market Expansion. Sustainability. 2025; 17(15):7002. https://doi.org/10.3390/su17157002
Chicago/Turabian StyleYang, Yanping, Xuan Yu, and Bojun Wang. 2025. "Evolutionary Game Analysis of Multi-Agent Synergistic Incentives Driving Green Energy Market Expansion" Sustainability 17, no. 15: 7002. https://doi.org/10.3390/su17157002
APA StyleYang, Y., Yu, X., & Wang, B. (2025). Evolutionary Game Analysis of Multi-Agent Synergistic Incentives Driving Green Energy Market Expansion. Sustainability, 17(15), 7002. https://doi.org/10.3390/su17157002