Priority A viable site Priority B viable site Non-viable PCI node Grid stress area
Nodes Evaluated
50
PCI/PMI transmission infrastructure
Viable Sites
3
Pass all three layers
Top Site Score
0.67
Larderello-Travale, IT

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PRIORITY A
The Tripartite Data Framework
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Power & Grid Constraints

  • SMARD API 410: Total net demand nodes
  • SMARD API 4169: Local Marginal Pricing (LMP)
  • ENTSO-E TYNDP: Grid corridors & expansions
  • PCI-PMI: Subsidized grid boundaries
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Subsurface Potential

  • EGDI GeoElec: Temp gradients at 2000m
  • EGDI HotLime: Deep reservoir polygons
  • 3DGEO-EU: Cross-border harmonized models
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Permitting Blockers

  • EEA SDI Natura 2000: Protected surface zones
  • EEA MSFD: Marine Strategy Framework zones

The Economic Case: Congestion Pricing vs. Baseload Stability

Grid bottlenecks drive up Local Marginal Pricing (LMP) in structurally deficit nodes. Firm geothermal capacity injected directly into these load pockets acts as a stabilizer, effectively destroying the congestion premium.

3D Spatial Intersection: Mapping Demand Over Heat

The core IIIP methodology โ€” mapping high-stress transmission nodes (surface) directly over high-enthalpy crystalline basement rock (subsurface), filtering out protected Natura 2000 areas.

Target Markets: Pipeline vs. Grid Relief Potential

Siting generation behind the constraint reduces the need for multi-billion-euro transmission upgrades across critical European bottlenecks.

System Architecture

Deep Geothermal Reservoir

Continuous Thermal Resource Extraction

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Binary ORC Generation Plant

10%โ€“100% Load Flexibility ยท 15โ€“30%/min Ramp

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Bulk Power System Integration

Synchronous Inertia ยท RoCoF Dampening ยท Reactive Power

Risk Factors & Structural Logic Gaps

Systemic Permitting Bottlenecks

EU regulatory friction threatens commercial rollout timelines, risking stranded institutional capital.

Subsurface Geological Uncertainty

Drilling phases carry outsized financial exposure vs. predictable VRE surface assessments.

Upfront CAPEX Concentration

High initial capital extends ROI amortization windows in volatile macro environments.

Geographic Determinism

Commercial viability constrained by localised heat gradients โ€” not grid-agnostic deployment.