Alternate Energy Technologies, Jacksonville FL

American Council On Renewable Energy

American Solar Energy Society

Basement and Home Energy Efficiency Guide

BTF Solar, Fennville MI

Bubbling Springs Solar, Menomonie WI

Citizens Energy Cooperative of Wisconsin (archive of 2006 site)

Citizens Energy Cooperative of Wisconsin 2008 (new site)

Clean Energy States Alliance

Database of State Incentives for Renewables & Efficiency

DH Solar, Prairie du Chien WI

Energy Concepts, Hudson WI

Energy Efficiency Guide: Save Money on Home Energy Costs

First Solar Inc., Phoenix AZ/Perrysburg OH

Focus on Energy

Focus Solar Yahoo discussion group

Full Spectrum Solar installers, Madison WI

GreenSky Energetics installers, Manitowoc WI

Heating and Cooling with Solar Power links collected by AZ company

Heliodyne Inc., Richmond CA

Global Solar Council

HomeAdvisor: Going Green with Solar Panels in the Home

Home Power magazine, Ashland OR

Honda Solar Cell

Interstate Renewable Energy Council

Kyocera Solar Inc., Scottsdale AZ

Lake Michigan Wind and Sun, Ltd., Sturgeon Bay WI

MadiSUN Program, Madison WI

MGE Clean Power Partner Program, Madison WI

Midwest Renewable Energy Association, Custer WI

NABCEP, the North American Board of Certified Energy Practitioners

National Renewable Energy Laboratory

Prism Solar Technologies, Stone Ridge NY

Solar Alliance of America

Solar America Cities

Solarbuzz

The Solar Cooking Archive, Solar Cookers International

Solar Energy, A Greener Way to Heat the Home, Find Your HVAC Guy

Solar Energy Industries Association

Solar Energy Lab at UW-Madison College of Engineering

Solargenix Energy, Chicago IL

Solar Nation

SolarPower Guide

Solar Rating and Certification Corporation

Solar Skies Inc., Starbuck MN

Solar Today magazine

SolarWall, Toronto ON & Buffalo NY

Solatube International, Vista, CA

Sunny Solutions, Berlin WI

Uni-solar, photovoltaic manufacturer, Auburn Hills MI

The Vote Solar Initiative