VE South America Updated 2026-08-20

Venezuela Geothermal Screening

Geothermal screening assessment identifies 51.1% prospective land reaching 185°C by 5.5 km depth in Venezuela.

Key Geothermal Metrics

Land Reaching 185°C by 5.5 km High Potential
51.1%

Primary baseline screening criterion

Shallowest Depth to 200°C Very Shallow
2.2 km

Minimum drill depth for high enthalpy

Peak Temperature at 5 km Depth Commercial EGS
276.7 °C

Maximum modeled temperature

Typical Geothermal Gradient Volcanic / Rift
62.3 °C/km

Average to 5 km depth (15°C surface)

Grid Connectable Prospective Area Moderate Distance
65.1%

Hot territory within 50 km transmission

Stored Heat In-Place (3–7 km) 1 ZJ = 10²¹ Joules
335.4 ZJ

Thermal volume in place (>80°C baseline)

Depth vs. Temperature Matrix (% Land Area)

Proportion of national territory exceeding target isotherm at specified depth

0.1° Inversion Grid
Isotherm 3.0 km 4.0 km 5.0 km 6.0 km 7.0 km 8.0 km
150°C 14.6% 38.8% 57.3% 79.3% 91.7% 100%
175°C 15.6% 31% 44.4% 63.5% 84.7% 89%
200°C 9.6% 27.4% 42.2% 48.1% 68.5% 80.4%
225°C 8.4% 21.3% 28.3% 45.7% 61% 71.9%
250°C 7.6% 14.9% 21.8% 34.9% 46.1% 46.8%

4-Stage Geothermal Resource & Infrastructure Funnel

Progressive screening from gross national territory down to grid-connected & populated prospective zones

1 Whole country
916 445 km² 100%
2 Reaches 185°C by 5.5 km
468 303 km² 51.1%
3 ...and within 50 km transmission
304 865 km² 33.3%
4 ...and within 100 km town
252 555 km² 30.5%

Geological Setting & Subsurface Parameters

Lithology, basement thickness, stress and thermal boundary constraints

Median Depth to 200°C Isotherm 4.4 km
Best 10th Percentile Depth to 200°C 2.7 km
Median Temperature at 5 km Depth 195.6 °C
Best 10th Percentile Temp at 5 km 252.8 °C
Median Sediment Thickness 0.5 km
Sediment / Hard-Rock Well Share 36.6%
Territory Under 1 km Sediment Cover 78.6%
Lithostatic Pressure at 5 km Depth 137.2 MPa
Moho Crustal Discontinuity Depth 41.6 km
Thermal Lithosphere Thickness 123.4 km
Curie Temperature Isotherm Depth 14.9 km
Model Temperature Spread Uncertainty (200°C) ±1 km

Transmission Grid & Demand Colocation

Infrastructure interconnectivity and urban power demand proximity

High-Voltage Transmission Network Length 24 464 km
Land Area Within 25 km of Grid 49.6%
Land Area Within 50 km of Grid 65.1%
Land Area Within 100 km of Grid 70.9%
Average Proximity to Nearest Substation / Line 25.2 km
Urban Centers (>10,000 Population) 188
Total Urban Population 35.6 M
Prospective Resource Colocated Near Demand (>1M Pop) 45.1%

Target Sensitivity & Deep EGS Upside

Sensitivity of prospective resource area to adjusted depth and temperature thresholds

150°C Baseline at 5.5 km 81.8% of national territory reaches 150°C at 5.5 km depth
185°C Baseline at 7.5 km 92% of national territory reaches 185°C at 7.5 km depth

Global Peer Benchmarking (vs. 278 Assessed Jurisdictions)

Relative ranking distribution of Venezuela across 11 standardized geothermal indicators

Venezuela Rank Global Peer Spread
Shallowest 200°C depth
2.2 km Top 25%
P0 (Lowest) P50 (Median) P100 (Highest) • 83th percentile
Peak temp at 5 km
276.7 °C Middle 50%
P0 (Lowest) P50 (Median) P100 (Highest) • 71th percentile
Prospective land area (>185°C at 5.5 km)
51.1% Top 25%
P0 (Lowest) P50 (Median) P100 (Highest) • 85th percentile
Stored heat in-place (3-7 km)
335.4 ZJ Top 25%
P0 (Lowest) P50 (Median) P100 (Highest) • 79th percentile
Typical geothermal gradient
62.3 °C/km Top 25%
P0 (Lowest) P50 (Median) P100 (Highest) • 89th percentile
Grid proximity (<50 km)
65.1% Middle 50%
P0 (Lowest) P50 (Median) P100 (Highest) • 65th percentile
Thin sediment coverage (<1 km)
78.6% Top 25%
P0 (Lowest) P50 (Median) P100 (Highest) • 79th percentile
Curie isotherm depth
14.9 km Middle 50%
P0 (Lowest) P50 (Median) P100 (Highest) • 67th percentile
Moho crustal thickness
41.6 km Lower 50%
P0 (Lowest) P50 (Median) P100 (Highest) • 25th percentile
Model temperature uncertainty spread
±1.7 km Middle 50%
P0 (Lowest) P50 (Median) P100 (Highest) • 48th percentile
Urban demand colocation
60% Top 25%
P0 (Lowest) P50 (Median) P100 (Highest) • 80th percentile
Asset-Level 3D Simulation Available

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Analytical Geothermal Assessment & Discussion: Venezuela

Subsurface thermal interpretation, model uncertainty, infrastructure colocation, and resource quality analysis

Resource Overview

Geothermal assessment for Venezuela indicates volcanic_arc geological controls governing subsurface heat transport, yielding 51.1% of land area reaching the baseline target of 185°C at 5.5 km depth.

Uncertainty & Model Variance

Thermal inversion across Venezuela shows consistent model convergence with constrained standard deviations across deep crustal layers.

Grid & Infrastructure Colocation

National electrical transmission coverage positions approximately 65.1% of prospective geothermal ground within 50 km of existing high-voltage corridors.

Geological & Basement Setting

Subsurface lithology is characterized by volcanic arc dynamics with median sediment thickness of 0.5 km and crustal thickness of 41.6 km.

Stored Heat Volume

Accessible thermal energy in place between 3 km and 7 km depth above 80°C totals 335.4 Zettajoules (ZJ).

Peer Comparison

Benchmarked against 237 global assessment jurisdictions, Venezuela demonstrates competitive positioning across heat flow, infrastructure, and basement competence indicators.

Target Sensitivity Analysis

Screening at 150°C baseline at 5.5 km increases prospective territory, demonstrating substantial deep EGS resource headroom.

Screening Methodology, Parameters & Limitations

This screening assessment for Venezuela is generated from Geothermal Radar Data Pack 2026.1 utilizing global 0.1° hex-grid thermal inversion across 10 183 model cells (land area: 916 445 km²). Baseline prospective criterion is defined as reaching 185°C at or above 5.5 km depth with surface temperature normalized to 15°C.

  • Screening estimates represent regional-scale heat in place and do not replace localized 3D seismic or exploratory drilling.
  • Model uncertainties expand in regions with sparse deep boreholes and complex thrust fault kinematics.
  • Grid proximity indicators reflect line-of-sight distance to high-voltage transmission and do not account for local substation thermal capacity.
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