Advancing State-of-the-Art Concentrating Solar Power Systems

Project Overview
Positive Impact: Advancing concentrating solar power.
New solar receiver for CSP system leads to higher efficiency, increased durability, and reduced cost.
Locations: New Hampshire
Partners: Brayton Energy
EERE Investment: $1.57 million
Clean Energy Sector: Renewable electricity generationPDF

Partnering with EERE, Brayton Energy is designing, building, and testing a new solar receiver for an advanced concentrating solar power (CSP) system. The receiver uses supercritical carbon dioxide as its working fluid rather than molten salt or steam, on which today’s state-of-the-art CSP systems rely. The new solar receiver enables the use of low-cost materials and simplified manufacturing methods. Brayton Energy’s advanced receiver withstands higher operating temperatures and pressures than existing technologies, leading to higher efficiency, increased durability of the CSP plant, and reduced cost compared with baseline receivers.

The Solar Energy Technologies Office (SETO) focuses on achieving the goals of the SunShot Initiative, which seeks to make solar energy cost-competitive with other forms of electricity by the end of the decade.

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