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What's the ROI on solar in Fresno, CA? Use satellite imagery to identify the best areas for utility-scale development: flat land, high irradiance, away from urban zones. Show expected energy yield and roughly how long before a project breaks even
7 months ago

script.py

ubuntu@sandbox:~$python script.py
Report written: 57,724 characters, 7,529 wordsSaved to /app/output/executive_summary.md  key_stats.json: EXISTS (4,015 bytes)  key_events.json: EXISTS (2,647 bytes)

Utility-Scale Solar in Fresno, CA: ROI Analysis, Site Intelligence & Breakeven Framework

Key Events

10 insights

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Key Metrics

Annual GHI (Fresno)2124 kWh/m²/year | Source: NREL NSRDB TMY3
Daily Average GHI5.82 kWh/m²/day | Source: NREL NSRDB TMY3
Annual Energy Yield1785 kWh/kW/year | Source: NSRDB TMY3
Gross Capacity Factor20.4 % | Source: NSRDB TMY3

Vector Files

2 vectors available

Fresno Aoi

Vector Dataset

Fresno Top Solar Sites

Vector Dataset

Gallery

18 images

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Fallback entry — manifest reconstruction failed

Fallback entry — manifest reconstruction failed

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Fallback entry — manifest reconstruction failed

Fallback entry — manifest reconstruction failed

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Satellite Images

13 satellite images available

4-panel site analysis: suitability scores, GHI by site, grid distance vs land cost scatter, capacity potential.

BSI = (B11-B8)/(B11+B8). Red = bare dry mineral soil = ideal for solar. Clear delineation between cropland and idle/rangeland.

Binary mask: green=high suitability solar zones, gray=lower. Total area: 891 km2 (344 sq miles). Primary target areas for utility-scale solar.

MODIS LST summer 2024. Hot areas (red) confirm exceptional solar irradiance. Valley floor shows 45-55C peak temps correlating with high GHI.

NDVI from Sentinel-2. Red=low vegetation (solar ideal), green=high vegetation. Western valley floor shows low NDVI = prime solar land.

False color NIR composite. Red=vegetation, cyan/gray=bare/built. Identifies low-vegetation zones ideal for solar.

True color Sentinel-2 composite showing San Joaquin Valley agricultural mosaic, Fresno urban core, and surrounding flatlands. Summer 2024 median composite.

SWIR composite for soil/crop differentiation. Identifies fallowed farmland (magenta/tan) ideal for solar conversion without agricultural conflict.

Slope in degrees. Green (0-2 degrees) = ideal for fixed-tilt solar. San Joaquin Valley floor is nearly entirely below 2 degrees.

Weighted composite: slope 30% + land cover 40% + NDVI inversion 30%. Green=high suitability. Mean=0.55, P90=0.80. High suitability (>0.7) covers 891 km2.

30m DEM. Valley floor (50-100m) is strikingly flat, confirming minimal earthwork for solar. Sierra Nevada foothills rise to east.

VIIRS DNB nighttime radiance 2023-2024. Bright=urban exclusion zones. Dark rural areas (western valley) = prime solar development candidates.

10m land cover. Green=forest, pink=cropland, red=urban, gray=bare/sparse. Cropland=40% solar suitability; bare/sparse=100%.

Files

23 files available

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