10/6/2025

Spot Price Calculations for September

Rover - Based on Gas Daily

Gas Daily - Weekly Weighted Average Prices

Supply Zone

Mainline Zone

Market Zone N

Market Zone S

Publication Date

Eastern Gas, North

Chicago, City Gates

Dawn, Ontario

Mich Con City-Gate

Weekly Average

Columbia Gulf, Mainline

Trunkline, Zone 1A

Weekly Average

9/8/2025

$1.5280

$2.6010

$2.5590

$2.5840

$2.5715

$2.6450

$2.6270

$2.6360

9/15/2025

$1.7010

$2.7240

$2.7160

$2.7310

$2.7235

$2.7790

$2.7390

$2.7590

9/22/2025

$1.7320

$2.8250

$2.8170

$2.8120

$2.8145

$2.8280

$2.8260

$2.8270

9/29/2025

$1.5740

$2.7670

$2.8040

$2.7790

$2.7915

$2.7320

$2.7110

$2.7215

$1.6338

$2.7293

$2.7240

$2.7265

$2.7253

$2.7460

$2.7258

$2.7359

Avg. Rate

$1.6338

$2.7293

$2.7253

$2.7359

Supply Low

$1.5280

Highest Week

$1.7320

$2.8250

$2.8145

$2.8270