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New Study Finds that Solar Could Provide 10% of U.S. Electricity Generation by 2025

Submitted by: Green America

Categories: Research, Reports & Publications, Clean Technology

Posted: Jun 25, 2008 – 11:42 AM EST


Co-op America and Clean Edge Report Looks at Vital Role of Utilities in Solar Reaching Cost Parity with Conventional Energy Sources

WASHINGTON, D.C./PORTLAND, OR. - June 17, 2008 - A new study makes the case that solar power is emerging as a cost-effective hedge against fossil fuels and is likely to reach cost parity with retail-electricity rates in most regions of the U.S. in less than a decade.

The Utility Solar Assessment (USA) Study, produced by the green-economy nonprofit, Co-op America, and clean-tech research and publishing firm, Clean Edge, provides a comprehensive roadmap for utilities, solar companies, and regulators to reach 10% solar in the U.S. by 2025. The report can be downloaded at and (Co-op America's solar program Web site).

The study finds that significantly scaling solar power in the U.S. will require the active involvement of utilities. The study delivers a to-do list for the three key stakeholders in the nation's solar industry. Among others, the action items include:

  • For utilities: Take advantage of the unique value of solar for peak generation and alleviating grid congestion; implement solar as part of the build-out of the smart grid; and adapt to new market realities with new business models.

  • For solar companies: Bring installed solar systems costs to $3 per peak watt or less by 2018; streamline installations; and make solar a truly plug-and-play technology.

  • For regulators and policy makers: Pass a long-term extension of investment and production tax credits for solar and other renewables; establish open standards for solar interconnection; and give utilities the ability to "rate-base" solar.
The USA Study also reports that:
  • For the first time solar power is beginning to reach cost parity with conventional energy sources. As solar prices decline and the capital and fuel costs for coal, natural gas, and nuclear plants rise, the U.S. will reach a crossover point by around 2015.

  • Installed solar PV prices are projected to decline from an average $5.50-$7.00 peak watt (15-32 cents kWh) today to $3.02-$3.82 peak watt (8-18 cents kWh) in 2015 to $1.43-$1.82 peak watt (4-8 cents kWh) by 2025

  • Solar power offers a number of advantages over conventional energy sources. Among them, the ability to deliver energy at or near the point of use, zero fuel costs, minimal maintenance requirements and zero carbon-based source emissions.

  • The investment to arrive at 10% solar in the U.S. is not small, reaching $450 billion to $560 billion between now and 2025, an average of $26 billion to $33 billion per year. However, given utilities’ existing capital costs such an investment is not prohibitive. To put the investment in perspective: Utilities spent an estimated $70 billion on new power plants and transmission and distribution systems in 2007 alone.
"One of the big takeaways from this report is that, in many ways, the future of solar is in the hands of utilities," said Ron Pernick, Clean Edge cofounder and managing director and USA Study coauthor. "Reaching 10 percent of our electricity from solar sources by 2025 will require the active participation of utilities along with the support and participation of regulators and solar technology companies."

In just the past year, a number of utilities and solar companies have announced aggressive programs to deploy large-scale solar power projects, including Southern California Edison's plan to install 250 megawatts of distributed solar PV, Duke Energy's stated goal of investing $100 million in rooftop solar, and Pacific Gas & Electric's announcements to invest in thousands of megawatts of concentrating solar power in California's deserts. While these players are still in the vanguard, a number of other utilities are looking to join them to help bring solar power to scale – and the study shows that solar could become "ubiquitous" as with earlier semiconductor-based revolutions.

"As capital and fuel costs have doubled or tripled for coal, natural gas, and nuclear power over the past few years, solar power costs are coming down," explains Alisa Gravitz, Co-op America executive director and USA Study project director. "For the first time in history, cost-competitive solar power is now within the planning horizon of every utility in the nation."

The study, written by Pernick and Clean Edge contributing editor Clint Wilder, is based on interviews with more than 30 solar, utility, financial, and policy experts and leverages proprietary Clean Edge data on solar PV market size, cost and pricing history and projections, and other key market factors. The USA Study is available for free download at and

About Co-op America

Co-op America is the nation's leading green-economy organization (501-c3) advancing marketplace solutions for America’s most serious social and environmental problems for more than 25 years. Co-op America's Solar Catalyst Program harnesses market forces to dramatically lower the price and accelerate the growth of solar energy worldwide for a secure, equitable, low-carbon energy future. Co-op America's other green-economy programs tackle climate change, build fair trade systems, encourage corporate responsibility, advance healthy, local communities, and provide green purchasing and investing information for families and businesses. For more information visit and

About Clean Edge

Clean Edge, Inc., with offices in the San Francisco Bay Area and Portland, Ore., is a leading research and publishing firm that helps companies, investors, and policymakers understand and profit from clean technologies. Founded in 2000, Clean Edge and its network of partners and affiliates offer unparalleled intelligence and insight into the clean-tech sector. Among its many activities, the company publishes the annual Clean Energy Trends report, produces the annual Clean-Tech Investor Summit (along with IBF), and maintains the NASDAQ(R) Clean Edge(R) U.S. Liquid Series (CELS) index, which track U.S.-listed clean-energy companies. To keep abreast of the latest clean-tech news, access industry reports, learn more about the annual summit and stock index, or sign up for Clean Edge's free e-newsletter, visit

For more information, please contact:

Ron Pernick Clean Edge, Inc
Phone: 503-493-8681
Alisa Gravitz Co-op America
Phone: 202-872-5307
Christina Williams Page One PR for Clean Edge
Phone: 503-206-7775


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