Peñaflor–Villamayor de Gállego corridor, centered at 41.715°N, 0.800°W.
IIIP LiDAR Test Zone Recommendation / Zaragoza Grid Congestion
Peñaflor–Villamayor de Gállego Corridor — 5×5 km target area for mm-resolution spatial mapping
Target Zone (WGS84)
Center: 41.7150°N, 0.8000°W |
SW: 41.6925°N, 0.8300°W |
NE: 41.7375°N, 0.7700°W
Area: 25 km² (5.0 × 5.0 km) |
Elevation: ~210–260 m ASL |
Terrain: Flat semi-arid Ebro valley floor
Why This Spot
Grid Infrastructure Density
This 25 km² box captures the highest concentration of multi-voltage transmission infrastructure in the Zaragoza metropolitan area:
- Peñaflor 400/220 kV substation — the primary HV node for NE Zaragoza, recently expanded with a 3rd 400/220 kV transformer
- 400 kV Castelnou–Peñaflor line — 70 km repowered corridor (30% capacity increase), terminates in-zone
- 220 kV corridors toward Espartal (El Burgo de Ebro) and Montetorrero — both lines recently reconductored
- Villanueva de Gállego 220 kV substation on the northern edge
- Distribution-level lines (66 kV, 20 kV) serving Villamayor and industrial zones
400 kV220 kV66 kV20 kV
Congestion & Curtailment
Zaragoza province is identified as Spain's 2nd highest curtailment zone (after Badajoz), driven by the mismatch between Aragón's massive renewable capacity and limited transmission evacuation:
- 5,974 MW wind (18% of Spain's total) + 3,921 MW solar feeding into constrained corridors
- Peñaflor is the evacuation bottleneck for wind generation across the Ebro valley
- REE investing €400M in Aragón grid reinforcement — this zone is ground zero
- National curtailment forecast: 3.05 TWh (2026), 3.38 TWh (2027) — Aragón hit hardest
High curtailment zoneEvacuation bottleneck
Generation Assets In-Zone
Multiple generation sources connecting into the same constrained grid nodes:
- Campoliva I — 36 MW wind farm (11 turbines), Villamayor de Gállego
- Campoliva II — 39.4 MW wind farm, Villamayor de Gállego
- Plana de Zaragoza wind farm complex — adjacent
- Perdiguera / Alfajarín PV plants — connecting to Peñaflor 400 kV
- Multiple smaller PV installations across the flat valley terrain
WindSolar PVGrid-connected
LiDAR Suitability
Near-ideal conditions for mm-resolution airborne LiDAR spatial mapping:
- Flat terrain — Ebro valley floor, 210–260 m ASL, minimal topographic shadowing
- Semi-arid vegetation — sparse scrub, no forest canopy to obscure tower bases or conductor sag profiles
- Low atmospheric moisture — Zaragoza averages 320 mm/year rainfall, minimal LiDAR signal attenuation
- Multiple voltage levels in tight corridors — ideal for testing classification algorithms (400/220/66/20 kV)
- Ground-truth accessibility — road network (A-129, N-330a) provides access for validation surveys
- Low ambient noise — semi-rural zone, minimal RF/reflective interference
Flat terrainLow vegetationRoad accessMulti-voltage
Site Scoring
What You'd Map
Within this 5×5 km box, mm-resolution LiDAR would capture:
- Conductor sag profiles across 400 kV and 220 kV spans — thermal rating validation under congestion loading
- Tower geometry & lean — structural deflection from wind loading, foundation settlement
- Clearance envelopes — conductor-to-ground, conductor-to-conductor (parallel lines), conductor-to-vegetation
- Substation footprint — Peñaflor bus configuration, transformer spacing, equipment condition indicators
- Right-of-way encroachment — vegetation growth, construction activity, land use changes near corridors
- Multi-voltage corridor spatial conflicts — where 400 kV, 220 kV, and distribution lines share tight ROW