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1,000 Roofs Program
The German "1,000 Roofs" program is designed to promote the purchase and installation of 2,250 (primarily residential) grid-connected rooftop PV systems having a capacity range between 1 and 5 kW_peak through the use of incentive in the form of a 70% direct subsidy (50% federal, 20% state). To date, over 1,100 systems have been installed. Siemens Solar has played a major role in this program, supplying over half of all PV modules installed to date as well as supplying inverters. Structurally, this system most resembles a DSM program in the sense that individual end-users are incentivized to purchase and install hardware through a subsidy mechanism.

This program is being very well documented, and copious amounts of data gathered. In spite of the fact that slight differences exist between German and U.S. operational and structural utility characteristics, the lessons learned from this program will be invaluable to future U.S. grid-connected PV rooftop projects.

Fact Sheet: 1000 Roofs Program