6/4/2026

Spot Price Calculations for May

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

5/4/2026

$1.8890

$2.2940

$2.4340

$2.4010

$2.4175

$2.3460

$2.3730

$2.3595

5/11/2026

$1.9060

$2.3500

$2.5330

$2.3500

$2.4415

$2.3370

$2.3690

$2.3530

5/18/2026

$1.9410

$2.4090

$2.5560

$2.3490

$2.4525

$2.4300

$2.4180

$2.4240

5/25/2026

$2.0770

$2.4890

$2.5880

$2.4340

$2.5110

$2.5230

$2.5210

$2.5220

6/1/2026

$1.9290

$2.4650

$2.4820

$2.4360

$2.4590

$2.5660

$2.5260

$2.5460

Avg. Rate

$1.9484

$2.4014

$2.4563

$2.4409

Supply Low

$1.8890

Highest Week

$2.0770

$2.4890

$2.5110

$2.5460