# CORNERSTONE GENERATION, LLC-DARBY POWER LLC — Pickaway County, OH

**Citation:** NPMS FIPS 39129 / OPID 39630  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

0.652411 active Natural Gas pipeline miles in Pickaway County, OH; public NPMS snapshot 2026-07-16.

## Document text

CORNERSTONE GENERATION, LLC-DARBY POWER LLC (PHMSA OPID 39630) reported 0.652411 active Natural Gas pipeline miles in Pickaway County, OH (county FIPS 39129) in the public NPMS summary snapshot dated 2026-07-16. The snapshot includes active assets only and excludes permanently abandoned assets. Exact pipeline locations and restricted NPMS GIS data are not included.

## Provenance

- Official: Yes
- Source: <https://www.npms.phmsa.dot.gov/Documents/NPMS_Active_Pipe_County_Mileage.xlsx>
- Source ID: `npms-public-summaries`
- SHA-256: `4325c4025ad19859d33260548b1f72339e337c192bb4e6bf9b6679f9410dc97b`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-26T00:06:57.182Z
- Document slug: `npms-mileage-ef3c4fb6a52ab54d39677fb0`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "39129",
  "stateFips": "39",
  "state": "OH",
  "county": "Pickaway County",
  "region": "Pickaway County, OH",
  "operator": {
    "id": "39630",
    "name": "CORNERSTONE GENERATION, LLC-DARBY POWER LLC"
  },
  "commodity": "Natural Gas",
  "mileage": 0.65241099,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 8891,
    "rowSha256": "8596bc4ad64b01bea76e1a7c4d4495bc436c5fdd43335311d591f91d007369d8"
  },
  "citedSections": [
    "191.29"
  ],
  "caveat": "Public aggregate snapshot only. It is not a complete representation of exact pipeline locations, may be updated, and is not an agency finding about facility condition.",
  "jurisdiction": "US",
  "operatorName": "CORNERSTONE GENERATION, LLC-DARBY POWER LLC"
}
```