Economic Efficiency and Carbon Emissions in Energy Markets

Economic efficiency in energy markets refers to the optimal allocation of resources—capital, labour, fuel and infrastructure—to meet demand at least cost, while carbon emissions quantify the greenhouse gases released in producing and delivering energy. Achieving high economic efficiency need not conflict with deep decarbonisation: well-designed price signals, transparent markets and responsive dispatch mechanisms can align cost minimisation with emissions reduction. Carbon pricing, whether through emissions trading systems or explicit taxes, internalises the societal cost of carbon, steering investment towards low-carbon technologies and operational practices. Meanwhile, market distortions such as subsidies, regulated prices and uneven access to grid services can undermine both cost efficiency and emissions performance. Integrating marginal abatement costs into market clearing, remunerating flexible resources that absorb variability from renewables, and harmonising cross-border carbon charges all contribute to lowering system-wide emissions intensity without compromising reliability. As energy systems evolve with higher shares of wind, solar and demand-side response, dynamic pricing and innovative market platforms will be central to sustaining economic efficiency while driving down carbon footprints.

Research from Nature Portfolio

Recent studies have embedded real-time carbon costs within electricity market algorithms, showing that dynamic carbon pricing reduces average system emissions intensity by more than 10% whilst preserving dispatch cost efficiency. Modelling efforts that couple cross-border electricity exchanges with carbon pricing reveal that coordinated carbon charges mitigate emissions leakage and improve the welfare of interconnected regions. Further work on market designs for flexibility resources demonstrates that remunerating low-carbon flexibility—such as rapid-response storage and demand-side management—lowers peak prices and enhances reliability in grids with high renewable penetration. These advances underline the effectiveness of integrating environmental externalities into market operations to deliver simultaneous gains in economic performance and emissions abatement.

Economic Efficiency and Carbon Emissions in Energy Markets publication trend

The graph below shows the total number of articles in economic efficiency and carbon emissions in energy markets across all publications each year (not limited to Nature Index journals).

Technical terms

Economic efficiency: The degree to which energy resources are allocated and utilised to meet demand at minimum total cost.

Carbon intensity: The amount of carbon dioxide emitted per unit of energy produced or per unit of economic output.

Market distortion: Any deviation from competitive market pricing, including subsidies, regulated tariffs or other interventions that alter resource allocation.

Marginal abatement cost: The incremental cost of reducing one additional unit of greenhouse-gas emissions.

Flexibility resources: Assets or practices (such as energy storage or demand-response programmes) that can rapidly adjust supply or demand to balance variable renewable generation.

References

1. How Does Energy Misallocation Affect Carbon Emission Efficiency in China? An Empirical Study Based on the Spatial Econometric Model. Sustainability (2019).
2. Do Factor Market Distortions and Carbon Dioxide Emissions Distort Energy Industry Chain Technical Efficiency? A Heterogeneous Stochastic Frontier Analysis. Energies (2022).
3. How Energy Price Distortions Affect China’s Economic Growth and Carbon Emissions. Sustainability (2022).