Ormat Technologies
Geothermal power plants and equipment
Ranked #2 in Best Geothermal Energy Companies.
Ormat Technologies, based in Reno, Nevada, builds and operates geothermal power plants in the US, Kenya, Guatemala, Indonesia and other markets, alongside solar and battery storage. In February 2026 it signed a power purchase agreement for up to 150 MW of geothermal capacity through NV Energy to support Google's data centres.
At a glance
| Price from | Custom |
| Best for | Utilities and large buyers wanting proven geothermal supply |
From Ormat Technologies's own website.
What stands out
- Decades of geothermal operating history
- Builds its own power plant equipment
Worth knowing
- Mostly conventional geothermal today
- Next-generation projects at an early stage
How it ranks
Ormat Technologies is ranked 2nd of 10 in Best Geothermal Energy Companies (Lister Score 96.2).
#2 in Best Geothermal Energy Companies · Lister Score 96.2
Ormat reports a total generating portfolio of more than 1,800 MW, including geothermal, solar and energy storage..
| Rank | Best Geothermal Energy Companies | Score |
|---|---|---|
| 1 | Fervo Energy | 97.5 |
| 2 | Ormat Technologies | 96.2 |
| 3 | Eavor Technologies | 94.9 |
| 4 | Quaise Energy | 93.6 |
| 5 | Sage Geosystems | 92.3 |
| 6 | Mazama Energy | 91.0 |
| 7 | XGS Energy | 89.6 |
| 8 | Zanskar | 88.2 |
| 9 | Geothermal Engineering Ltd (GEL) | 86.8 |
| 10 | Rodatherm Energy | 85.4 |
Frequently asked questions
How does Ormat Technologies rank on Lister?
Ormat Technologies is ranked 2nd of 10 in Best Geothermal Energy Companies (Lister Score 96.2).
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