DOE Announces Funding to Advance Solar Technologies

By William Atkinson | Apr 7, 2021
Solar panels in a grassy field

According to the U.S. Department of Energy (DOE), to achieve the President Joe Biden’s goal of 100% clean energy by 2035, hundreds of gigawatts of solar energy will need to be installed, and as much as five times faster than it is now. The DOE envisions that, by 2035, photovoltaic (PV) solar technologies could represent between 30%–50% of the electricity supply in a decarbonized electricity sector.

To achieve this, the DOE announced a new target¾cut the cost of solar energy by 60% within the next 10 years. DOE will help this process along by providing $128 million in funding to:

  • Lower these costs from the current cost of 4.6 cents per kWh to 3 cents by 2025 and 2 cents by 2030

  • Improve solar technology performance

  • Speed the deployment of these technologies

The focus will be on utility-scale solar, and the funding will focus primarily on three areas.

One will be to increase support designed to advance the increased use of two materials to make solar cells. One of these is perovskites, a family of emerging solar materials that have the potential to make highly-efficient thin-film solar cells with very low production costs. The other is cadmium telluride, which is an inexpensive thin-film solar technology that was developed in the United States and already makes up 20% of the modules installed in this country.

A second will be funding for projects designed to increase the lifetime of silicon-based PV systems to 50 years, from the current 30 years, as a way to lower the cost of energy and reduce waste. The funding will focus on efforts designed to improve PV system components, such as inverters, connectors, cables, racks and trackers.

The third will focus on supporting several concentrating solar-thermal power (CSP) projects. While PV technologies directly convert sunlight to electricity, CSP technology captures heat from sunlight and uses that thermal energy to spin turbines or power engines that then generate electricity.

About The Author

ATKINSON has been a full-time business magazine writer since 1976. Contact him at [email protected]

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