Has geothermal power been used to generate electricity since the 20th century?
NoParrot Fact Check · September 18, 2026
Fact-checked by NoParrot's 4-model methodology · Last verified September 18, 2026
NoParrot Score
Mostly consistent
Claim breakdown
- Verified
- 1
- Uncertain
- 1
- Disputed
- 0
Synthesis
Geothermal power has been used for electricity generation continuously since 1913. The first commercial geothermal power plant began operation in 1913, following earlier experimental use in 1904.
Geothermal electricity generation has been developed in various countries worldwide. Major producers and areas where geothermal electricity has been developed include Indonesia, the Philippines, Turkey, New Zealand, the United States, Iceland, and Kenya.
What each model said
- Gemini ✓ 1 ✗ 1
Yes, geothermal power has been used to generate electricity since the 20th century. The world's first geothermal power plant began operating in Larderello, Italy, in 1904.
- Grok ✓ 1 ✗ 1
Yes, geothermal power has generated electricity since the early 20th century. The first commercial geothermal power plant began operation in Larderello, Italy, in 1904, using steam from underground reservoirs to drive turbines.
- Claude ✓ 1 ✗ 1
Yes. Geothermal electricity generation began in 1904 in Larderello, Italy, when Prince Piero Ginori Conti successfully powered five light bulbs using steam from a geothermal source. The first commercial geothermal power plant was built at the same site in 1913. Geothermal power has been used continuously for electricity generation ever since, with major producers today including the United States, Indonesia, the Philippines, Turkey, and New Zealand.
- GPT ✓ 1 ⚠ 2 ✗ 1
Yes. Geothermal power has been used to generate electricity since the early 20th century. - The first experimental geothermal electricity generation occurred in 1904 in Larderello, Italy. - The first commercial geothermal power plant began operating there in 1913. - Since then, geothermal electricity has been developed in countries such as the United States, Iceland, New Zealand, Indonesia, the Philippines, and Kenya.
Models Used
- Gemini
- Grok
- Claude
- GPT
Disclaimer: This page summarizes the output of 4 frontier large-language models at a single point in time. NoParrot Score reflects cross-model consensus, not absolute truth. Models can be wrong, and consensus can be wrong with them. Treat this page as a research aid, not a final verdict.
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