The Geysers geothermal field
E83372
The Geysers geothermal field is a major geothermal energy production area in Northern California, known as one of the largest geothermal power complexes in the world.
All labels observed (3)
| Label | Occurrences |
|---|---|
| The Geysers geothermal complex | 3 |
| The Geysers geothermal field canonical | 2 |
| The Geysers | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T676528 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
Target entity: The Geysers geothermal field Context triple: [Mayacamas Mountains, contains, The Geysers geothermal field]
-
A.
Valley of Geysers region
The Valley of Geysers region is a remote, geothermal valley in Russia’s Kamchatka Peninsula famed for its dense concentration of geysers, hot springs, and volcanic landscapes within a UNESCO-listed wilderness.
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B.
Long Valley Caldera
Long Valley Caldera is a large volcanic depression in eastern California known for its geothermal activity, seismic unrest, and proximity to the Sierra Nevada and Mammoth Lakes.
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C.
Ivanpah Valley
Ivanpah Valley is an arid basin in the northeastern Mojave Desert known for its desert landscapes, dry lakebeds, and large-scale solar energy installations.
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D.
Elk Hills oil field
The Elk Hills oil field is a major petroleum reserve in California that gained historical notoriety for its central role in the Teapot Dome scandal, one of the most infamous corruption cases in U.S. political history.
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E.
Altamont Pass
Altamont Pass is a low mountain pass in the Diablo Range of Northern California, known as a major transportation corridor and one of the earliest large-scale wind farm sites in the United States.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Target entity: The Geysers geothermal field Target entity description: The Geysers geothermal field is a major geothermal energy production area in Northern California, known as one of the largest geothermal power complexes in the world.
-
A.
Valley of Geysers region
The Valley of Geysers region is a remote, geothermal valley in Russia’s Kamchatka Peninsula famed for its dense concentration of geysers, hot springs, and volcanic landscapes within a UNESCO-listed wilderness.
-
B.
Long Valley Caldera
Long Valley Caldera is a large volcanic depression in eastern California known for its geothermal activity, seismic unrest, and proximity to the Sierra Nevada and Mammoth Lakes.
-
C.
Ivanpah Valley
Ivanpah Valley is an arid basin in the northeastern Mojave Desert known for its desert landscapes, dry lakebeds, and large-scale solar energy installations.
-
D.
Elk Hills oil field
The Elk Hills oil field is a major petroleum reserve in California that gained historical notoriety for its central role in the Teapot Dome scandal, one of the most infamous corruption cases in U.S. political history.
-
E.
Altamont Pass
Altamont Pass is a low mountain pass in the Diablo Range of Northern California, known as a major transportation corridor and one of the earliest large-scale wind farm sites in the United States.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
geothermal field
ⓘ
geothermal power complex ⓘ |
| continent | North America ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| discoveredInPeriod | 19th century (as a geothermal area) ⓘ |
| electricityUse | utility-scale power generation ⓘ |
| energyCategory | baseload renewable energy ⓘ |
| energySourceType | geothermal energy ⓘ |
| fuelType | natural geothermal steam ⓘ |
| geothermalResourceType | vapor-dominated reservoir ⓘ |
| gridConnection | California electrical grid ⓘ |
| hasEnvironmentalImpact |
induced seismicity
ⓘ
reduced greenhouse gas emissions compared to fossil fuels ⓘ |
| hasInfrastructure |
power plants
ⓘ
steam gathering system ⓘ transmission lines ⓘ |
| hasMitigationMeasure | managed injection and monitoring programs ⓘ |
| hasOperator |
Calpine Corporation
ⓘ
Northern California Power Agency ⓘ U.S. Department of Energy ⓘ
surface form:
U.S. Department of Energy (historical involvement)
|
| hasPowerPlantType | geothermal power plant ⓘ |
| hasRisk | seismic risk from fluid injection ⓘ |
| hasSubsurfaceFeature | fractured greywacke reservoir rocks ⓘ |
| hasWellType |
geothermal injection wells
ⓘ
geothermal production wells ⓘ |
| heatSource | cooling magmatic intrusion at depth ⓘ |
| isExampleOf | large vapor-dominated geothermal system ⓘ |
| isImportantFor |
California electricity supply
ⓘ
renewable energy portfolio of California ⓘ |
| isRenewableEnergySource | true ⓘ |
| isStudiedBy |
geologists
ⓘ
geophysicists ⓘ reservoir engineers ⓘ |
| knownFor |
being one of the largest geothermal power complexes in the world
ⓘ
large-scale geothermal electricity generation ⓘ |
| locatedIn |
Lake County, California
ⓘ
Mayacamas Mountains ⓘ Northern California ⓘ Sonoma County, California ⓘ |
| locatedNear | Clear Lake, California ⓘ |
| locatedNorthOf | San Francisco ⓘ |
| partOf |
Coastal Ranges
ⓘ
surface form:
California Coast Ranges
|
| powerGenerationType | electricity ⓘ |
| regulatoryJurisdiction |
California, United States
ⓘ
surface form:
State of California
|
| state |
California, United States
ⓘ
surface form:
California
|
| supportsActivity |
geothermal research
ⓘ
renewable energy development ⓘ |
| usesTechnology |
dry steam technology
ⓘ
steam turbines ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Subject: The Geysers geothermal field Description of subject: The Geysers geothermal field is a major geothermal energy production area in Northern California, known as one of the largest geothermal power complexes in the world.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.