---
name: isopleth-solar-wind-site-prospecting
description: Find large rural parcels and rank them for utility-scale solar or wind: resource, distance and voltage to the grid, slope, flood, wetlands and protected land. Uses the Isopleth MCP server (https://api.isopleth.dev/mcp).
---

# Solar/Wind Site Prospecting

Find large rural parcels and rank them for utility-scale solar or wind: resource, distance and voltage to the grid, slope, flood, wetlands and protected land.

## Requirements

- The Isopleth MCP server connected at `https://api.isopleth.dev/mcp` with an API key in the `Authorization: Bearer` header (see https://isopleth.dev/docs/mcp).
- Tools used: `parcel_search`, `parcel_enrich`, `start_run`, `get_run`, `proximity`.
- Cost: 25 lookups per search page with results, then 6 per parcel screened (5 for the parcel, 1 for the 13 point fields).

## Steps

1. Call parcel_search with the state and county, acres_min (about 5 acres per MW for solar; wind needs larger, often several adjoining tracts) and land_use words such as agricultural or vacant. Use limit 100.
2. Screen the candidates: for a handful, call parcel_enrich with each parcel_id and the fields below; for dozens or more, call start_run with kind "enrich", items [{"parcel_id": ...}] and the same fields, with max_lookups set, then page through get_run.
3. Drop parcels in flood zone A or V, on wetlands, protected land or critical habitat, or with average slope over about 5 degrees for solar (about 10 for wind).
4. Rank the rest by grid access first (distance to a line of the needed voltage and to a substation), then resource (GHI for solar; 100 m wind speed and capacity factor for wind), then acreage.
5. For the finalists, call proximity with categories ["power"] for the nearest substation, line, plant and pipeline with names and voltages.

## Arguments (example `parcel_enrich` call)

```json
{
  "lat": 35.21,
  "lng": -101.83,
  "fields": [
    "ghi_annual_kwh_m2_day",
    "mean_wind_speed_100m_ms",
    "wind_capacity_factor_pct",
    "slope_degrees",
    "nearest_transmission_line_distance_m",
    "nearest_transmission_line_voltage_kv",
    "nearest_substation_distance_m",
    "nearest_substation_max_voltage_kv",
    "nfhl_flood_zone",
    "intersects_wetland",
    "intersects_protected_area",
    "intersects_critical_habitat",
    "lcms_class"
  ]
}
```

## Output

A ranked table: parcel, owner, acres, grid distance and voltage, resource value, red flags, lookups spent. Straight-line distances only; interconnection capacity needs a utility study.

Every value carries its source, license and attribution. Keep the source next to each value, and show the attributions if you share the results.