Description
Grid-scale energy storage has been identified as a needed technology to support the continued build-out of intermittent renewable energy resources. As of April 2017, the U.S. had approximately 24.2 GW of energy storage on line, compared to 1,081 GW of installed generation capacity (Litynski et al. 2006, Hellstrom 2003). This represents a large shortfall of the storage needed to stabilize the U.S. grids with the rising penetration of renewable energy. Our team proposed to address this shortfall through the storage of excess energy as geothermal brine in deep geologic formations. This concept, known as geologic thermal energy storage (GeoTES), relies on the storage of thermal energy in geologic formations for recovery and use in large-scale direct use geothermal applications. As such, GeoTES has the potential to play a significant role in meeting the energy storage shortfall in the coming decades by assisting with peak demand ramping, easing stress on transmission, providing regional storage to support sustainable direct use geothermal applications, and providing a variety of grid stabilization benefits due to renewable outages or inaccurate forecasting and rotor stability.
Resources
| Name | Format | Description | Link |
|---|---|---|---|
| Figure 7b.dat | DAT | Inlet temperature and outlet temperature for isolated injection well/production-well pair with a well separation of 14 m. The green line shows the average initial reservoir temperature. | Open resource |
| Figure 8a.dat | DAT | Inlet temperature and outlet temperature for isolated injection-well/production-well pairs with a well separation of 28 m. The green line shows the average initial reservoir temperature. | Open resource |
| Figure 8b.dat | DAT | Inlet temperature and outlet temperature for isolated injection-well/production-well pairs with a well separation of 39 m. The green line shows the average initial reservoir temperature. | Open resource |
| Figure 9 TOUGHREACT Results.xlsx | XLS | Results of TOUGHREACT-Brine V3.43 | Open resource |
| Figure 5.dat | DAT | Vertical cross-section through the RZ model, showing the vertical discretization, and material property assignments for all three models. | Open resource |
| Figure 7a.dat | DAT | Inlet temperature and outlet temperature for a push-pull RZ model. The green line shows the average initial reservoir temperature. | Open resource |
| Figure 7c.dat | DAT | Inlet temperature and outlet temperature for five-spot pattern. The green line shows the average initial reservoir temperature. | Open resource |
| GeoTES Final Report Dynamic Earth Energy Storage.pdf | Final report for Dynamic Earth Energy Storage: Terawatt-Year, GridScale Energy Storage using Planet Earth as a Thermal Battery (GeoTES). This Phase I project evaluated the viability of the GeoTES concept for storing subsurface sedimentary basins, with geographically distributed analogues, to store excess heat collected from large thermal power stations during non-peak or high renewable production. | Open resource | |
| Some Input-Output Datasets.docx | Doc | Outlines each table and figure in the final report and briefly describes the contents of each. | Open resource |
| Table 1 Weber Sandstone Brine.pdf | Weber Sandstone brine composition | Open resource | |
| Weber THM Modeling Input Parameters.xlsx | XLS | THM Modeling input parameters for Weber Sandstone. | Open resource |