Public Interest Energy Research (PIER) Program

The California Energy Commission's Public Interest Energy Research (PIER) Program supports energy research, development and demonstration (RD&D) projects that will help improve the quality of life in California by bringing environmentally safe, affordable and reliable energy services and products to the marketplace.

The PIER Program annually awards up to $62 million to conduct the most promising public interest energy research by partnering with RD&D organizations including individuals, businesses, utilities, and public or private research institutions.

PIER brings new energy services and products to the marketplace and creates state-wide environmental and economic benefits. PIER funding efforts are focused on the following RD&D program areas:

  • Buildings End-Use Energy Efficiency
  • Climate Change Program
  • Energy Innovations Small Grant Program
  • Energy-Related Environmental Research
  • Energy Systems Integration
  • Environmentally-Preferred Advanced Generation
  • Industrial/Agricultural/Water End-Use Energy Efficiency
  • Natural Gas Research
  • Renewable Energy Technologies
  • Transportation Research