- Photovoltaics (PV) Hardware Research – $15 million for 8-12 projects that aim to extend PV system lifetimes and reduce hardware costs of solar systems made of silicon solar cells, as well as new technologies like thin-film, tandem, and perovskite solar cells.
- Integrated Thermal Energy Storage and Brayton Cycle Equipment Demonstration (Integrated TESTBED) – $39 million for 1-2 projects that will develop a test site to accelerate the commercialization of supercritical carbon dioxide power cycles, a key component of low-cost concentrating solar power plants.
- Solar Energy Evolution and Diffusion Studies 3 (SEEDS 3) – $10 million for 6-8 projects that will examine how information flows to stakeholders to enable more efficient decision-making about solar and other emerging technologies, such as energy storage.
- Innovations in Manufacturing: Hardware Incubator – $14 million for 7-9 projects that will advance innovative product ideas from a prototype to a pre-commercial stage, with an aim for products that support a strong U.S. solar manufacturing sector and supply chain.
- Systems Integration – $30 million for 7-11 projects that will develop resilient community microgrids to maintain power during and restore power after man-made or natural disasters, improve cybersecurity for PV inverters and power systems, and develop advanced hybrid plants that operate collaboratively with other resources for improved reliability and resilience.
- Solar and Agriculture: System Design, Value Frameworks, and Impacts Analysis – $6.5 million for 4-6 projects that will advance the technologies, research, and practices necessary for farmers, ranchers, and other agricultural enterprises to co-locate solar and agriculture.
- Artificial Intelligence Applications in Solar Energy with Emphasis on Machine Learning – $6 million for 8-12 projects that encourage partnerships between experts in AI and solar industry stakeholders to develop disruptive solutions across the value chain of the solar industry.
- Small Innovative Projects in Solar (SIPS): PV and Concentrated Solar Power (CSP) – $5 million for 15-20 projects that advance innovative and novel ideas in PV and CSP that can produce significant results within the first year of performance.