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Solar Two Performance Evaluation
Technical Paper
1999-01-2669
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Solar Two was a 10-MWe prototype central receiver plant east of Barstow, California. Solar Two, which was sponsored by a consortium of utilities and industry in partnership with the U.S. Department of Energy, began regular electricity production in February 1997 and completed its last day of regular electricity production in March 1999. This paper presents preliminary results from the most recent Solar Two performance evaluation.
The primary aspect of the performance evaluation is the lost-electricity analysis. This analysis compares the actual generation with the generation predicted by the Solar Two model. (SOLERGY, a Sandia National Laboratories- developed computer program designed to simulate he operation and power output of a solar central receiver power plant, is the code used to model Solar Two.) The difference between the predicted and the actual generation (i.e., the lost electricity) is broken down into the different efficiency and availability categories responsible for the loss. Having the losses broken down by system and in terms of electricity is useful for understanding and improving the plant’s performance; it provides a tool for determining the best operating procedures for plant performance and for indicating where operation and maintenance resources should be focused for the best performance payback. This paper briefly describes the methodology behind the lost-electricity analysis.
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Citation
Hale, M., "Solar Two Performance Evaluation," SAE Technical Paper 1999-01-2669, 1999, https://doi.org/10.4271/1999-01-2669.Also In
References
- Analysis of Solar Two Heliostat Tracking Error Sources Stone, K.W. Jones, S.A. Proceedings of the Renewable and Advanced Energy Systems for the 21st Century April 1999
- Analysis of Strategies to Improve Heliostat Tracking at Solar Two Jones, S.A. Stone, K.W. Proceedings of the Renewable and Advanced Energy Systems for the 21st Century April 1999
- Estimating Convective Energy Losses from Solar Central Receivers Stoddard, D. L. Kraabel, J. S. Report No. SAND84-8717, April 1984
- Faas S. Hale, M.J. subject: Review of Lost Solar Electricity Analysis Methodology Handout July 15 1998
- SOLERGY - A Computer Code for Calculating the Annual Energy from Central Receiver Power Plants, Report No. SAND 86-8060, Stoddard et al. May 1987
- Solar Two Test and Evaluation: Program Overview and Summary of Resuls through 1997 Pacheco J. et al. March 1998