Solar Energy Generating Systems
| Solar Energy Generating Systems | |
|---|---|
Part of the 354 MW SEGS solar complex in northern San Bernardino County, California.
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| Country | United States |
| Location | Mojave Desert |
| Coordinates | 35°01′54″N 117°20′53″W / 35.0316°N 117.348°WCoordinates: 35°01′54″N 117°20′53″W / 35.0316°N 117.348°W |
| Status | Operational |
| Construction began | 1983 |
| Commission date | 1984 |
| Owner(s) | NextEra Energy Resources |
| Solar field | |
| Type | CSP |
| CSP technology | Parabolic trough |
| Collectors | 936,384 |
| Site area | 1,600 acres (647.5 ha) |
| Site resource | 2,725 kWh/m2/yr |
| Power generation | |
| Units operational | 9 |
| Units cancelled | 3 |
| Units decommissioned | 1 |
| Nameplate capacity | 361 MW |
| Capacity factor | 19.2% |
| Annual output | 608 GWh |
Solar Energy Generating Systems (SEGS) in California, with the combined capacity from three separate locations at 354 megawatts (MW, 474,700 hp), is now the world's second largest solar thermal energy generating facility, after the commissioning of the even larger Ivanpah facility in 2014. It consists of nine solar power plants in California's Mojave Desert, where insolation is among the best available in the United States. SEGS I–II (44 MW) are located at Daggett (34°51′45″N 116°49′45″W / 34.86250°N 116.82917°W), SEGS III–VII (150 MW) are installed at Kramer Junction (35°00′43″N 117°33′32″W / 35.01194°N 117.55889°W), and SEGS VIII–IX (160 MW) are placed at Harper Lake (35°01′55″N 117°20′50″W / 35.03194°N 117.34722°W).NextEra Energy Resources operates and partially owns the plants located at Kramer Junction and Harper Lake. A tenth plant (SEGS X, 80 MW) had been in construction and SEGS XI and SEGS XII had been planned by Luz Industries, but the developer filed for bankruptcy in 1992, because it was unable to secure construction financing.
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