Earth Science & Energy
Geothermal Reservoir Thermal Output Power (MWe) Sizer
Calculate geothermal reservoir thermal output power (mwe) using the stated engineering or scientific relationship and adjustable field inputs.
Preparing your result…
What this calculator does
Calculates Geothermal Reservoir Thermal Output Power (MWe) Sizer using the formula verified against the cited source.
What your result means
An estimate from the inputs you enter, within the scope stated below — not advice.
Formula
MWe = volume × volumetric heat capacity × usable ΔT × recovery factor × conversion efficiency ÷ (plant life in seconds × 10⁶)
The step-by-step working for your own numbers appears with the result above and in the PDF report.
Frequently asked questions
Symbols and assumptions
- Inputs
- The values entered in the fields above
- • Average electrical resource estimate MWe=reservoir volume(m³)×volumetric heat capacity[J/(m³·K)]×usable ΔT(K)×recovery fraction×conversion efficiency/[plant-life seconds×10^6].
Sources and review
Reviewed 2026-10-18 · Next review 2027-04-18
- • Volumetric heat capacity already contains density×specific heat; multiplying by density again double counts it. If using specific heat J/(kg·K), density is instead necessary. State life-year-to-second conversion and whether efficiency is gross/net; a finite heat-in-place average is not proven sustained plant output or a complete USGS exergy assessment.
Important limitation
This is an educational estimate based only on the values and formula shown. Verify current rates, rules, units, and professional standards before relying on the result. It is not personalized financial or investment advice.
Quick reference
| Scenario | Reservoir volume (km³) | Volumetric heat capacity (rock + fluid) (MJ/(m³·K)) | Usable temperature drop (K) | Average electrical output |
|---|---|---|---|---|
| Worked example | 5 | 2.7 | 100 | 17.1116 MWe |
| Half the amounts | 2.5 | 1.35 | 50 | 1.0695 MWe |
| Double the amounts | 10 | 4 | 200 | 202.8038 MWe |
Need the full picture? Get the detailed PDF report with charts, tables, formulas and working steps.
Reviewed 2026-10-18 · Next review 2027-04-18
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