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The U.S. Department of Energy Solar Energy Technologies Office (SETO) supports early-stage research and development to improve the flexibility and performance of solar technologies that contribute to a reliable and resilient U.S. electric grid. The office invests in innovative research efforts that securely integrate more solar energy into the grid, enhance the use and storage of solar energy, and lower solar electricity costs.

SETO plays a crucial role in the growth of U.S. solar energy, partnering with hundreds of private companies, universities, state and local governments, nonprofit organizations, and national laboratories to fund cooperative research, development, demonstration, and deployment projects that drive down the cost of solar electricity. Below are success stories from just a few of the several hundred projects. Select a project to learn more.

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First prototype of the non-contact scanner
Electroluminescence Imaging Benefits
These ceramic-metal plates can be used for heat transfer in concentrating solar-thermal plants. Within the heat exchanger the plates are vertically stacked, but in this illustration they are tilted to better show their customizable channels.
A New Cermet for Heat Exchangers
Clockwise from top left: the vBoost converter cover plate, the frame to attach to the PV module, and the circuit board. Photo courtesy of eIQ Energy.
Modules Can Work Independently
A worker watches the sunrise at the 2 megawatts CoServ Solar Station in Krugerville, Texas.
Mapping for Developers
sun number success story image
Sun Number Score to Aid in Home Sales
NRECA success story image
Toolkit Helps Rural Solar Soar