Sun Number awarded $1 million by DOE to lower solar acquisition costs

by James Lester, Managing Consultant with Cleantech Finance

Rockies Venture Club presenter Sun Number has announced an award housesof approximately $1 million to expand the geographic coverage of its rooftop solar assessment services through the Department of Energy’s SunShot Incubator program. The award also enables Sun Number to expand the scope of its services by providing additional data that solar contractors will use to grow their businesses and lower customer acquisition costs.

“Being chosen as a SunShot 8 Incubator award recipient to commercialize Sun Number data will significantly accelerate our growth as a company.  The SunShot funding will be used to quickly expand into new cities increasing the number of buildings analyzed to approximately 35 million,” said David Herrmann, co-founder of Sun Number.

Herrmann added, “The funding will also be used to integrate additional data into the analysis of properties, including data on the likelihood of a building owner qualifying for a solar lease or loan, and the statistical likelihood that a building owner will be interested in solar based on a behavioral model that will be developed.  The data that Sun Number provides brings an installer closer to being able to complete the design of a PV system from their computer in a fraction of the time it currently takes.”

According to the company, Sun Number Scores will now include the economic suitability of a property for solar. Integrating the suitability of the roof for solar with the local cost of electricity, incentives, tax benefits, and the local cost of installation, the Sun Number Score will tell a homeowner if the economics of solar make sense for their building. The new Sun Number Score will be dynamic and as the variables mentioned above change, so will the score. Homeowners with a low score today will be able to set a threshold for the future and get notified when their Sun Number Score reaches that threshold.

The SunShot Program, initiated by the DOE in 2007, has incubated the emergence of 58 U.S. startups. The program has leveraged $104 million in federal money to generate more than $1.7 billion in private sector investment, or nearly $18 of private sector buy-in for every dollar of taxpayer support.

The long-term SunShot vision is for the U.S. to get 14 percent of its electricity from solar by 2030 and 27 percent by 2050 and to drive down the cost of solar electricity to $0.06 per kilowatt-hour.

“Over the last three years, the cost of a solar energy system has dropped by more than 70 percent,” DOE Secretary Ernest Moniz said in announcing the awards. The new investments will back more programs that reduce “soft costs like permitting, installation and interconnection” and “improve hardware performance and efficiency.”

Sun Number, previously profiled on the RVC blog here, was co-founded by Herrmann and Ryan Miller after receiving a $400,000 grant last year from the Sunshot Incubator. Sun Number used the funding to develop a tool to make it easier, faster and less expensive for both homeowners and solar companies to analyze the solar potential individual properties. The tool, known as a Sun Number Score, engages consumers by providing a solar analysis of their home or office building with an easy to understand score between 1 and 100, and then putting them in touch with a local solar professional. Solar professionals are able use the tool to reduce the costs of customer acquisition, often called ‘soft costs’.

If you would like to learn more about Sun Number, visit their website or contact David Herrmann at david.herrmann@sunnumber.com

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