• Publications
• Energy Basics
  • History
  • Electricity Generation
  • Enhanced Systems
  • Heat Pumps
  • Direct Use
  • FAQs
• Presentations
• Documents for Public Comment
• Photographs
• Maps
• Software & Data
• Laws & Standards
• Glossary
• Related Links

Casa Diablo Geothermal Area

The Mammoth-Pacific geothermal power plants at Casa Diablo on the eastern front of the Sierra Nevada Range generate enough power for approximately 40,000 homes. The power is sold to Southern California Edison under long-term contracts.