Many industries require large amounts of both electricity and heat for their processes and operations. New modular, scalable CSP technology from U.S.-based 247Solar provides both round-the-clock clean power and industrial grade-heat, with few if any CO2 or other emissions. This offers unique benefits for industry:
- Improved economics:
- Reduce existing energy costs
- Earn revenue from carbon credits or offsets
- Lock in energy costs for decades
- Increased flexibility
- Grid independence; can work as a standalone system
- Reduce or eliminate demand charges
- Reduced carbon footprint
- Reduce existing emissions (thermal and electrical)
- Enhance ESG credentials
- 24/7 energy availability
- Electricity: 400 kWe, scalable to 10s of MW
- Heat: 600 kWth, scalable to 10s of MW
- Heat temperatures available from 250-1000 ℃
247Solar’s flagship solution is the 247Solar Plant™.
The 247Solar Plant is the breakthrough integration of 4 advanced technologies:
- 247Solar Heat2Power™ turbine
- 247Solar Receiver™
- A low-cost thermal energy storage system (TES)
- Innovative heliostats
247Solar Heat2Power™ Turbine
The heart of the system is the 247Solar Heat2Power™ turbine, the first commercial turbine in the world that produces electricity from ambient pressure hot air without combustion or emissions. A key scientific advance that makes this unique turbine possible is the development of a super-high temperature 247Solar Heat Exchanger™ (247HX). 247Solar inserted this proprietary HX into the best-selling and most reliable small gas turbine in the world, the C200 by Capstone Green Energy Corporation (NASDAQ: CGRN).
The 247HX’s inlet airflow is atmospheric-pressure hot air (970 oC) from the 247Solar Receiver. The 247HX heats the turbine’s compressed hot air after it flows through the turbine’s
recuperator to the required turbine inlet temperature, eliminating the need for a combustor. An in-line combustor inside the duct that delivers the hot air from the receiver provides for optional fuel combustion to guarantee 24/7 dispatchable power. Backup fuels can be any locally available liquid or gaseous fuel, including biofuels, hydrogen, natural gas, or diesel.
Each 247Solar Plant includes two such turbines for a total power output under ISO conditions of 400 kWe at an electrical efficiency of 32%. The turbine requires just 4-8 hours of routine maintenance per year and requires no on-site operator.
The turbine also produces 600 kWth of industrial-grade heat at a temperature of 250 oC. This Combined Heat and Power (CHP) system has wide applicability to industrial facilities. Examples include steam, hot water, materials drying, water purification, absorption chilling, and others. An advanced version of this system can be configured to deliver hot air up to 650 oC for industrial use.
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