Enum: GeothermalSystemType

Types of geothermal energy systems, including conventional hydrothermal and enhanced/engineered geothermal systems.

Permissible Values

Value	Title	Description	Broad Mappings	Closed Loop	Conventional	Direct Use	Methane Recovery	Requires Stimulation	Temperature Min C
HYDROTHERMAL	Conventional Hydrothermal System	Naturally occurring geothermal system with heat, fluid, and permeability sufficient for energy extraction without stimulation.	sweet:phenEnergy/Geothermal		True
ENHANCED_GEOTHERMAL_SYSTEM	Enhanced Geothermal System (EGS)	Engineered reservoirs created to extract heat from low permeability geothermal resources through stimulation methods.						True
ADVANCED_GEOTHERMAL_SYSTEM	Advanced Geothermal System (AGS)	Closed-loop geothermal systems that circulate working fluid through wellbores to extract heat conductively without reservoir stimulation.		True
HOT_DRY_ROCK	Hot Dry Rock (HDR)	Geothermal system targeting hot basement rock lacking natural fluid or permeability, requiring artificial reservoir creation.
GEOPRESSURED	Geopressured System	Deep sedimentary formations with abnormally high fluid pressure containing hot brine and dissolved methane.					True
SUPERCRITICAL	Supercritical Geothermal System	Very high temperature systems (>374C) where water exists above its critical point, offering higher energy density.							374
GROUND_SOURCE_HEAT_PUMP	Ground Source Heat Pump (GSHP)	Shallow geothermal system using stable ground temperatures for heating and cooling buildings.				True

Slots

Name	Description
geothermal_system_type	Type of geothermal system

Identifier and Mapping Information

Schema Source

from schema: https://w3id.org/linkml/valuesets

LinkML Source

name: GeothermalSystemType
instantiates:
- valuesets_meta:ValueSetEnumDefinition
description: Types of geothermal energy systems, including conventional hydrothermal
  and enhanced/engineered geothermal systems.
title: Geothermal System Type
from_schema: https://w3id.org/linkml/valuesets
see_also:
- https://www.energy.gov/eere/geothermal/enhanced-geothermal-systems
- https://gdr.openei.org/
contributors:
- orcid:0000-0002-6601-2165
- https://github.com/anthropics/claude-code
status: DRAFT
rank: 1000
permissible_values:
  HYDROTHERMAL:
    text: HYDROTHERMAL
    description: Naturally occurring geothermal system with heat, fluid, and permeability
      sufficient for energy extraction without stimulation.
    annotations:
      conventional:
        tag: conventional
        value: true
    title: Conventional Hydrothermal System
    broad_mappings:
    - sweet:phenEnergy/Geothermal
  ENHANCED_GEOTHERMAL_SYSTEM:
    text: ENHANCED_GEOTHERMAL_SYSTEM
    description: Engineered reservoirs created to extract heat from low permeability
      geothermal resources through stimulation methods.
    annotations:
      requires_stimulation:
        tag: requires_stimulation
        value: true
    title: Enhanced Geothermal System (EGS)
    aliases:
    - EGS
    - Engineered Geothermal System
  ADVANCED_GEOTHERMAL_SYSTEM:
    text: ADVANCED_GEOTHERMAL_SYSTEM
    description: Closed-loop geothermal systems that circulate working fluid through
      wellbores to extract heat conductively without reservoir stimulation.
    annotations:
      closed_loop:
        tag: closed_loop
        value: true
    title: Advanced Geothermal System (AGS)
    aliases:
    - AGS
    - Closed-Loop Geothermal
  HOT_DRY_ROCK:
    text: HOT_DRY_ROCK
    description: Geothermal system targeting hot basement rock lacking natural fluid
      or permeability, requiring artificial reservoir creation.
    title: Hot Dry Rock (HDR)
    aliases:
    - HDR
  GEOPRESSURED:
    text: GEOPRESSURED
    description: Deep sedimentary formations with abnormally high fluid pressure containing
      hot brine and dissolved methane.
    annotations:
      methane_recovery:
        tag: methane_recovery
        value: true
    title: Geopressured System
  SUPERCRITICAL:
    text: SUPERCRITICAL
    description: Very high temperature systems (>374C) where water exists above its
      critical point, offering higher energy density.
    annotations:
      temperature_min_c:
        tag: temperature_min_c
        value: 374
    title: Supercritical Geothermal System
  GROUND_SOURCE_HEAT_PUMP:
    text: GROUND_SOURCE_HEAT_PUMP
    description: Shallow geothermal system using stable ground temperatures for heating
      and cooling buildings.
    annotations:
      direct_use:
        tag: direct_use
        value: true
    title: Ground Source Heat Pump (GSHP)
    aliases:
    - GSHP
    - Geothermal Heat Pump

Enum: GeothermalSystemType

Permissible Values

Slots

See Also

Identifier and Mapping Information

Schema Source

LinkML Source