Back to Climate News
Carbon BriefCarbon Brief

Factcheck: How nuclear, gas, wind and solar power are affected during heatwaves

Abatify Summary

Nature & Climate Perspective

**Extreme heatwaves exacerbate ecological stress by forcing higher thermal water discharges into river systems while curtailing clean energy output. **

  • Thermal discharge from nuclear and gas plant cooling during heatwaves escalates water temperatures, severely impacting freshwater biodiversity.
  • Reduced efficiency in solar PV (thermal derating) and wind droughts during heatwaves shift load to carbon-intensive peaking assets, indirectly impacting regional carbon sequestration goals.
  • Accelerating climate feedback loops necessitate resilient nature-inclusive energy planning to maintain long-term environmental and watershed stability.

Market & Policy Outlook

**Grid stress from climate extremes drives power price volatility and challenges corporate 24/7 clean energy matching under SBTi and Scope 3 frameworks. **

  • Regulatory bodies are revising grid reliability mandates, forcing energy providers to integrate acute physical risk modeling to meet ICVCM-aligned permanence and stability expectations.
  • Financial liquidity and power purchase agreement (PPA) pricing are experiencing structural shifts as extreme heat drives extreme price spikes and asset curtailments.
  • Corporate buyers relying on I-RECs for decarbonization compliance face increased supply risk and volumetric mismatch during peak heatwave-driven grid events.
Heatwaves are becoming more likely and more intense due to climate change, impacting sources of power generation around the world…

This story moves you. Here's what you can do.

Related Resources

Sourcing:

Contact our trading desk for customized environmental commodities for your needs

Request sourcing: Article 6.2 (ITMOs)