Renewable Energy Siting

The resource picks the country; the grid and the ground pick the field.

The renewable energy path, from irradiance and wind to an exclusion mask and a ranked list of sites. the resource is the easy part1the resourceirradiance, wind, CF2the yieldpvlib, hub height3the landexclusions, horizon4the sitesgrid distance, rankingStage two is where the units bite: rates against totals, 10 m against the hub

Solar and wind siting looks like a resource problem and is mostly a land problem. Irradiance varies by 2% across a 35 km region and by 60% across Europe; the setback from housing, the slope, the protected areas and the distance to a substation decide which fields are left. These guides start with what irradiance, capacity factor and the wind resource actually measure, and what the rules and power densities imply; then download and align irradiance, model PV output with pvlib, choose a tilt, move wind to hub height, integrate a Weibull against a power curve, build an exclusion mask, compute horizons, measure grid distance and rank candidate sites — with the fixes for yields off by a factor, timestamps an hour out, 10 m wind at the hub, masks that remove everything and energy read at the mean speed.

Step twelve is where the path turns from resource to land: after the exclusion mask, every later number is about which fields are left and how far they are from a substation, and the resource barely moves the ranking.

The full path, in order

The concepts underneath the work, then each task, then the errors that task produces. Work down, or jump to the step you need.

  1. Capacity Factor Explained capacity factor solar wind 🧭 Concept
  2. Wind Resource Explained wind resource assessment 🧭 Concept
  3. Renewable Siting Constraints Explained renewable energy siting constraints 🧭 Concept
  4. Terrain Shading and the Horizon Explained horizon shading solar 🧭 Concept
  5. Power Density and Land Use Explained solar farm land use mw per km2 🧭 Concept
  6. How to Download Solar Irradiance Data in Python download solar irradiance data python ⚙️ How-To
  7. How to Model PV Output with pvlib pvlib pv output python ⚙️ How-To
  8. How to Find the Optimal Tilt and Orientation for Solar Panels optimal solar panel tilt python ⚙️ How-To
  9. How to Estimate Wind Speed at Hub Height in Python wind speed hub height python ⚙️ How-To
  10. How to Estimate Wind Energy with a Weibull Distribution wind energy weibull python ⚙️ How-To
  11. How to Build a Siting Exclusion Mask in Python siting exclusion mask python ⚙️ How-To
  12. How to Compute a Horizon Profile from a DEM in Python horizon profile dem python ⚙️ How-To
  13. How to Measure Distance to the Grid for Renewable Siting distance to power grid python ⚙️ How-To
  14. How to Build a Solar Suitability Map in Python solar suitability map python ⚙️ How-To
  15. PV Yield Off by a Factor pv yield wrong units 🔧 Fix
  16. Solar Timestamps Shifted by an Hour solar data timestamps shifted 🔧 Fix
  17. Wind Speed at 10 m Used as Hub Height wind capacity factor too low 🔧 Fix
  18. Siting Mask Removes Everything exclusion mask removes everything 🔧 Fix
  19. Wind Energy from the Mean Speed Is Wrong wind energy from mean wind speed 🔧 Fix

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