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Natural Gas
March 31, 2025
Platts, part of S&P Global Commodity Insights, has updated the Platts-ICE Gas Indices Americas (GIA) natural gas index locations and weightings for April-October 2025.
The locations, location weightings, and region weightings are as follows:
| GIA Northeast | |
| Location | Weight |
| Columbia Gas, Appalachia | 26.84% |
| Texas Eastern, M-2 receipts | 24.90% |
| Transco, Leidy Line receipts | 17.67% |
| Transco, zone 5 delivered | 16.21% |
| Eastern Gas, South | 14.38% |
| GIA South | |
| Location | Weight |
| El Paso, Permian Basin | 31.58% |
| Waha | 27.43% |
| Transco, zone 4 | 18.37% |
| Texas Gas, zone 1 | 11.45% |
| Transco, zone 3 | 11.17% |
| GIA Midwest | |
| Location | Weight |
| REX, Zone 3 delivered | 29.22% |
| Northern Border, Ventura TP | 19.13% |
| Dawn, Ontario | 18.69% |
| Chicago city-gates | 17.34% |
| Alliance, into interstates | 15.61% |
| GIA West | |
| Location | Weight |
| TCPL Alberta, AECO-C | 40.00% |
| SoCal Gas, city-gate | 16.62% |
| SoCal Gas | 16.62% |
| PG&E, Malin | 13.52% |
| PG&E city-gate | 13.24% |
The updated weightings took effect on trade date March 31 for flow date April 1.
Platts amends these weightings twice per year, seasonally, based on trade volumes from the same season a year earlier.
Please send any questions, comments, or feedback to AmericasGasPricing@spglobal.com.