Proximity (Buffer) Distance to fault trace < 500 m 0.84 x0.5 2. Permeabilida d Regional Geophysics and Geodesy Geodetic strain rate 0.90 x1.0 Horizontal gravity gradient 0.80 x1.0 Fault recency (Regional) 0.70 x1.0 Seismicity (Earthquakes) 0.70 x1.0 Quaternary slip rate 0.60 x1.0 Magnetotellurics (MT) - x1.5 3. Evidencia Directa Fluids and Heat Fluid geochemistry / Wells Variable N/A Heat Source Temperature at 3 km (Heat flow/K) Variable N/A 3.3. Demand Projection Methodology Future demand of the Southern Node (2026-2046) was projected using the "Aggregated Scenarios" methodology. Total demand (DTotal) was calculated as the vector sum of inertial vegetative demand and discrete loads from new projects: = + Where:Vegetative Demand ( ): Calculated from a 2026 base demand (~1,450 MW) with a compound annual growth rate (CAGR) of 3.2%. Block Loads ( ): Discrete sum (Pi⋅δit) of power required by the entry of new projects (e.g., Zafranal, Tía María) and mining fleet electrification. 4. RESULTS 4.1. Resource Characterization and Energy Inventory in the Southern Volcanic Axis Analysis of regional potential, tectonically controlled by the Incapuquio and Cincha-Lluta fault systems, estimates an aggregate resource exceeding 770 MWe in high-enthalpy reservoirs (Table 4). Geophysical inversion models have delineated low resistivity anomalies (<10 ohm·m) and temperatures >200 °C in the Calientes and Borateras fields (Tacna), as well as Chocopata and Achumani (Arequipa). Likewise, specific studies in Calacoa (Moquegua) suggest proven reserves in the order of 100 MW, validating the effectiveness of AI-assisted predictive models for linking with mining demand. Table 4 – Energy Potential Inventory - Southern Volcanic Axis Region Geothermal Field Potential (MWe) Technical Reference / Status Arequip a Achumani - Chivay ~163 MW Priority A. JICA Master Plan/Bulletin B 69, Pinchollo Zone, high enthalpy fluids Yura ~15 MW Bulletin D N° 24. Direct use or binary cycle. La Calera ~9 MW Mainly direct use (balneology). 133
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