6/4/2025

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

5/5/2025

$2.2720

$2.6010

$2.7370

$2.7570

$2.7470

$2.6540

$2.6200

$2.6370

5/12/2025

$2.6540

$2.9300

$3.0710

$3.0040

$3.0375

$2.9340

$2.9210

$2.9275

5/19/2025

$2.5280

$2.8490

$2.9230

$2.8840

$2.9035

$2.9600

$2.9350

$2.9475

5/26/2025

$1.9340

$2.8470

$2.8060

$2.8480

$2.8270

$2.7940

$2.7910

$2.7925

6/2/2025

$1.6010

$2.7770

$2.6760

$2.7450

$2.7105

$2.7860

$2.7610

$2.7735

Avg. Rate

$2.1978

$2.8008

$2.8451

$2.8156

Supply Low

$1.6010

Highest Week

$2.6540

$2.9300

$3.0375

$2.9475