Solar repowering for electric generation: Northeastern Station Unit 1, Public Service Company of Oklahoma. Executive summary
The Department of Energy contracted for Black and Veatch to develop a conceptual design for solar repowering Northeastern Station Unit 1 (NES 1) of the Public Service Company of Oklahoma (PSO). NES 1 is located about 50 km (30 miles) northeast of Tulsa, Oklahoma. This plant was selected because it is representative of candidate plants for repowering and for solar-fossil hybrid operation; it is located in a moderate insolation region, utilizes an efficient reheat cycle with steam conditions characteristic of modern power plants, and has sufficient land for repowering. NES 1 has a subcritical, single reheat turbine-generator and a gas-fired steam generator. The basic repowering configuration was established through a series of trade studies and the criterion that proven technology be used. The system selected has a water/steam receiver which supplies superheated steam to the turbine at a design point flow rate sufficient to displace 20 per cent of the unit's fossil fuel consumption. The hybrid nature of the plant's operation eliminates the need for costly thermal storage. A brief overview of the design, performance, and economics is given. (WHK)
- Research Organization:
- Black and Veatch Consulting Engineers, Kansas City, MO (USA); Public Service Co. of Oklahoma, Tulsa (USA); Babcock and Wilcox Co., Lynchburg, VA (USA)
- DOE Contract Number:
- AC03-79SF10738
- OSTI ID:
- 5170682
- Report Number(s):
- DOE/SF/10738-1/1
- Country of Publication:
- United States
- Language:
- English
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