Solar developer SPG Solar announced the start of commercial operations of seven new solar photovoltaic (PV) power systems installed at several facilities across the City of Tucson in Arizona, US.
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Developed by SPG Solar, the 2.3MW DC rooftop and carport solar power systems were installed at the Tucson Convention Center, Rincon Golf Links, Hardesty, Randolph, Crime Lab, and two locations at TOPSC.
The PV systems, interconnected to the grid by Tucson Electric Power (TEP) are expected to provide combined net revenues of $6.2m over 25 years.
City of Tucson energy manager Doug Crockett said, "This largest City solar project was made possible with low-interest Clean Renewable Energy Bonds, Tucson Electric Power’s renewable energy credits and made easy by SPG Solar’s experience and range of solar services,"
TEP director of Renewable Resources Carmine Tilghman said, "We expect to dramatically expand our solar generating capacity to more than 200 MW by the end of 2014 through a combination of company-owned resources, privately developed projects and distributed generating systems like the ones installed by the City of Tucson."
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By GlobalDataTEP will provide financial incentives to the City of Tucson which will help it meet the renewable energy goals established by the Arizona Corporation Commission.
The system will produce nearly 4 million kWh the first year and power generated at each site will offset, on average, 55% of the electricity used at each location.
In 2009, the City of Tucson partnered with SPG Solar to complete a 1MW solar project which included both rooftop and single axis tracking systems.