Natural Gas

October 31, 2024

Platts launches Platts-ICE Gas Indices Americas (GIA) natural gas indices locations and weightings for November 2024-March 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 November 2024-March 2025. The locations, location weightings and region weightings are as follows:

GIA Northeast region locations and location weightings:

Columbia Gas, Appalachia 27.15%
Texas Eastern, M-2 receipts 26.17%
Transco, Leidy Line receipts 16.18%
Texas Eastern, M-3 16.04%
Transco, zone 5 delivered 14.46%

GIA Midwest region locations and location weightings:

Dawn, Ontario 26.79%
REX, zone 3 delivered 20.58%
Northern Border, Ventura TP 20.56%
Chicago city-gates 16.17%
Alliance, into interstates 15.89%

GIA South region locations and location weightings:

El Paso, Permian Basin 30.00%
Waha 25.78%
Transco, zone 4 19.90%
Texas Gas, zone 1 13.32%
Transco, zone 3 11.00%

GIA West region locations and location weightings:

TCPL Alberta, AECO-C 40.00%
SoCal Gas, city-gate 16.36%
SoCal Gas 16.36%
PG&E city-gate 14.60%
Westcoast, station 2 12.68%

GIA North America weightings:

GIA Northeast 36.06%
GIA South 22.68%
GIA Midwest 10.93%
GIA West 30.33%

These weightings took effect on trade date Oct. 31, 2024, for flow date Nov. 1, 2024.

Platts amends these weightings twice a year seasonally based on trade volumes from the same season a year prior.

For more information on GIA indices and how they are calculated, see the US and Canada natural gas methodology guide at https://www.spglobal.com/commodityinsights/en/our-methodology/methodology-specifications/natural-gas/us-and-canada-natural-gas-methodology.

Please send any comments or questions to AmericasGasPricing@spglobal.com and pricegroup@spglobal.com. For written comments, please provide a clear indication if comments are not intended for publication by Platts for public viewing. Platts will consider all comments received and will make comments not marked as confidential available upon request.