California regulators on Thursday approved a $350 million program to subsidize the installation of solar water heaters to reduce greenhouse gas emissions.
The program will allocate $250 million for the replacement of hot water heaters fueled by natural gas and $100.8 million for those powered by electricity.
Solar hot water systems typically consist of a storage tank and a rooftop array that collects heat from the sun to warm the water.
Customers of California’s three big investor-owned utilities will receive rebates of up to $1,500, or about 30 percent of the cost of replacing a residential natural-gas hot water heater with a solar system. Owners of multifamily commercial buildings are eligible for up to $500,000 in incentives.
The California Public Utilities Commission reserved 60 percent of the funds to install solar hot water systems on those buildings, with the balance going to single-family homes.
Homeowners with electric hot water heaters can receive up to $1,010 to install a solar hot water system and owners of commercial buildings will get up to $250,000. Only about 10 percent of hot water systems in California are electric, according to the utilities commission.
The program’s goal is to replace 585 therms of natural gas -– the equivalent of installing 200,000 solar hot water systems — and 150 megawatts of electricity by 2017. Incentives decrease over the eight-year life of the program.
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http://greeninc.blogs.nytimes.com/2010/01/21/solar-water-heaters-get-a-boost-in-california/