Science – Society – Technology
Table 2 Mean values annually stored and produced energies (GWh) in the first 10 years of operation for different temperature spreads (∆T), different injection-/production-rates, and constant injection temperature of 80 °C in well BS-North
From: Optimizing scenarios of a deep geothermal aquifer storage in the southern Upper Rhine Graben
Temperature spread (∆T) | Stored energy (GWh) | Produced energy (GWh) | ||||
|---|---|---|---|---|---|---|
Rate: 5 L s−1 | Rate: 10 L s−1 | Rate: 40 L s−1 | Rate: 5 L s−1 | Rate: 10 L s−1 | Rate: 40 L s−1 | |
30 K | 2.9 | 5.8 | 22.5 | 1.5 | 3.2 | 13.0 |
38.4 K | 3.3 | 6.9 | 26.7 | 2.2 | 4.9 | 18.8 |
50 K | 4.0 | 8.0 | 32.0 | 3.1 | 6.8 | 26.3 |