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Summary:

A deal between solar producer SunEdison and power company Duke Energy could produce the largest solar photovoltaic farm in the United States. Built and operated by SunEdison, the farm will be located in Davidson County, N.C., and, at 21.5 megawatts, is likely to be the largest […]

A deal between solar producer SunEdison and power company Duke Energy could produce the largest solar photovoltaic farm in the United States. Built and operated by SunEdison, the farm will be located in Davidson County, N.C., and, at 21.5 megawatts, is likely to be the largest photovoltaic array in the country at the time it is constructed. (OptiSolar plans a 550 MW PV plant, which it is targeting to start construction on in 2010). Duke Energy says it plans to buy all the electricity output from SunEdison’s plant.

SunEdison’s PV farm will cost an estimated $173 million, the Winston-Salem Journal reports. While its final location has yet to be determined, construction of the farm is to commence in 2009 with a minimum of 16 megawatts delivered by the end of 2010. The financial details of the power purchase agreement were not disclosed.

This partnership is the second large photovoltaic deal from Duke Energy in the last month. Earlier Duke announced plans to invest $100 million in a distributed solar roof program that will fund installation and operation of solar systems on residential and commercial buildings.

All of these solar moves from Duke are in preparation for North Carolina’s renewable portfolio standard, which requires utilities to get 12.5 percent of their energy from renewable sources by 2021. Many states have similar, and often more ambitious, renewable portfolio standards, and many utilities, like PG&E, are finding that the demand for renewable power is far greater than the supply.

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  1. I think the OptiSolar plant planned in California will be the biggest – 500 MW.

  2. Craig Rubens Thursday, May 22, 2008

    @Tyler:

    I think you might be mistaken. According to OptiSolar’s project website they only have 90 MW spread across three projects planned.

  3. Katie Fehrenbacher Thursday, May 22, 2008

    Thanks Tyler, OptiSolar is planning a 550MW solar PV farm, which they are targeting to begin construction in 2010. We updated the story to reflect that.

  4. It would be awesome if you guys could add some off-the-cuff financial analysis to figure out how long this payback is — based on current going energy rates. Is this really better financially than building a coal plant?

    Believe me, I understand the smaller environmental impact…but does this make sense from a financial perspective? That’s how you’ll convince businesses to do this.

    -Erica

  5. Then there’s this 250 MW distributed installation that begins this year for $875 million.
    http://www.autobloggreen.com/2008/04/01/video-huge-solar-project-to-begin-this-year/

  6. It´s awesome to see greater investments on solar energy.

  7. SunEdison Raises $161M for PV Farms « Earth2Tech Tuesday, May 27, 2008

    [...] Posted May 27th, 2008 at 9:44 am in Startups Following SunEdison’s announcement last week that it will build what it claims will be, at the time of construction, the largest photovoltaic fa…, the company now says it’s getting more cash to fuel its ambitious plans. The Beltsville, [...]

  8. Hey ,

    I need a list of the biggest solar installations in the US in the private sector. Any body has heads up on that information.

    I have checked all of SunEdison’s projects
    and a couple of wesbites showing the largest single PV installations but I need a more concrete list

    Thanks

    Jaineel

  9. Solar Power Company Ponies Up $161 Million | EcoTech Daily Thursday, May 29, 2008

    [...] Energy Provider SunEdison Raises $161 Million (CNN Money) SunEdison + Duke = Largest Solar PV Farm in U.S. (Earth2Tech) Stay up to date on green technology, gadgets & news by subscribing to EcoTech [...]

  10. [...] by SunEdison, the farm will be located in Davidson County, N.C., and, at 21.5 megawatts, is lihttp://earth2tech.com/2008/05/22/sunedison-duke-largest-solar-pv-farm-in-us/SunEdison gathers 161M in financing – Baltimore Business Journal:SunEdison, a Beltsville solar [...]

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