Solar Resources
- American Electric Power
- American Public Power Association (APPA)
- BP's A+ For Energy Program
- California Energy Commission
- California Foundation for Agriculture in the Classroom
- Citizen Power, Inc.
- Creative Teaching Press, Inc.
- eesmarts
- Energy Education Group
- EnergyTeachers.org
- Florida Solar Energy Center (FSEC)
- Green Mountain Energy
- Hawaiian Electric Company, Inc.
- Houston Museum of Natural Science
- LearnOnLine, Inc.
- National Council on Economic Education
- National Energy Education Development (The NEED) Project
- Northeast Sustainable Energy Association (NESEA)
- NOVA Labs on PBS.org
- Ohio Energy Project (OEP)
- Railroad Commission of Texas
- Renewable-energysources.com
- Resource Action Programs
- Science Screen Report (SSR)
- Solar Now, Inc.
- U.S. Department of Energy - Energy Efficiency and Renewable Energy Information Center (EERE IC)
- U.S. Department of Energy - Kids Saving Energy (by EERE)
- U.S. Department of Energy - National Renewable Energy Laboratory (NREL)