Monday, March 24, 2008

Solar Water Heating

21 page Report from National Renewable Energy Laboratory on Solar Water Heating from March 2007.

Key Quote:

Use of solar water heating (SWH) in the United States grew significantly in the late 1970s and early 1980s, as a result of increasing energy prices and generous tax credits. Since 1985, however, expiration of federal tax credits and decreased energy prices have virtually eliminated the U.S. market for SWH.

Key Information:
  • Solar Water Heating reduces water heating by 60%
  • Electric and Gas Heaters only last 10-15 years (so potential to replace them).
  • SWH is a significant opportunity to reduce use of gas & electrity for heating water.

Article that I was looking for more information on that helped me find the report Solar water heating pays off in Hawaii

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