Hi everyone!
I built a solar energy analysis platform that uses the full HoloViz ecosystem. It pulls real NASA POWER satellite data, runs physics-based simulations with pvlib, and presents everything through an interactive Panel dashboard.
Live demo: Solar Intelligence Platform - a Hugging Face Space by ghostieee11
Source: GitHub - ghostiee-11/solar-intelligence: AI-powered solar intelligence platform built with HoloViz, xarray, pvlib, and Lumen · GitHub
HoloViz tools used:
- Panel - FastListTemplate dashboard with 7 tabs, sidebar controls, notifications
- HoloViews - Composable overlays, Tap/RangeX streams for interactive map
- hvPlot - One-liner charts from xarray/pandas (monthly bars, timeseries, heatmaps)
- Datashader - Server-side rendering for global solar map
- Param - Parameterized classes for all analysis modules (300+ tests)
- Bokeh - Coastline overlays via multi_line with cartopy geometries
Features:
- Real solar radiation data from NASA POWER API (+ ERA5 cross-validation)
- 80-direction orientation simulation using pvlib transposition models
- Financial analysis for 35 countries, 14 currencies, auto-detected from city search
- AI chat with free providers (Groq, Gemini) - paste API key in sidebar
- Validated against PVWatts v8 (GHI within 4%, all directions correct)
The project started from noticing people in India struggling with basic solar questions despite 40% government subsidies. Most calculators are vendor tools with zero transparency. This one shows the real data and lets you explore.
Would love any feedback!

