One of the best sources of information in the US is the Database of State Incentives for Renewable Energy (DSIRE).
Click the map below to get DSIRE information for a particular state (or visit the DSIRE Federal Incentives Page )

Other useful links:

• Department of Energy - Loan Guarantee Program
• DoE Loan Guarantee Pre-Application Form (880 KB PDF document)
• 2002 Farm Bill Initiative: the Renewable Energy and Energy Efficiency Program

• A Summary of Canadian Initiatives - this page on the CANSIA site lists programs related to solar installations. The top of the page lists federal incentives and then provides a further break-down by province. The page is roughly equivalent to the US DSIRE database.
  
• Province of Ontario Renewable Energy Standard Offer Program (RESOP)
  Most links take you to the either the Ontario Energy Board (OEB) or Ontario Power Authority (OPA) sites
  • Renewable Energy Standard Offer Program (RESOP) Home page (OPA)
  • SOP Announcement (PDF)
  • SOP Overview page
  • Distribution System Code
• Ontario Sustainable Energy Association
  
  
• ecoENERGY for Renewable Heat
  
  • ecoENERGY: CDI 2008 Application Form: Commercial Deployment Incentive for a Solar Air Heating Project
    
  • ecoENERGY: CDI 2008 Application Form: Commercial Deployment Incentive for a Solar Water Heating Project
    
• Ontario Solar Thermal Heating Incentive Program (OSTHI)
  

Coming soon