NREL engineers and analysts are looking at innovative new ways to deploy this flexibleĬapability at geothermal plants throughout the U.S. To electrical output can occur quickly, with up to 30% of nominal output per minute. Of fuel to electricity is completely in the control of the plant operator, and changes At Puna, the geothermal power plant's conversion Ormat's Puna geothermal facility in Hawaii provides flexible capacity for grid support Help firm the system, allowing for imbalance, and provide supplemental reserve andĪncillary services such as frequency control and capacity. Of geothermal energy can be an asset to the electric grid. Flexible geothermal can To help operators meet market demand and maximize their resources.Īs more variable renewable technologies such as solar and wind are deployed, the flexibility We analyze the techno-economic potential of power plants under various grid scenarios We model the technical and economic potential for geothermal power plants to operateįlexibly as variable renewables are deployed in increasing numbers on the grid. Real power plant operationĭata have been adopted for the validation of power cycle modeling to improve operational We model binary-fluid power cycles, steam-Rankine cycles, and other advanced powerĬycles under design and off-design operation conditions.
NREL's modeling and simulation capabilities offer an efficient approach for plantĭesign, operation optimization, and life-cycle techno-economic assessment. NREL models geothermal flexibility, which enhances the benefits of geothermal plants
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