Updated: March 2026
Commercial rate guide for Columbia Gas — Ohio (statewide), Pennsylvania (central and western), Virginia (Shenandoah Valley and southwestern), and Maryland (western). Major gas distribution subsidiary of NiSource Inc.
General commercial service (GCS) and large volume commercial (LVC) rate schedules. Infrastructure replacement surcharges in all states. Gas cost recovery (GCR) mechanism for commodity pass-through. Minimum monthly charges by meter size.
Rising
5.8% distribution rate increase in Ohio effective January 2026; 6.1% increase in
5.8% distribution rate increase in Ohio effective January 2026; 6.1% increase in Pennsylvania effective March 2026; varied adjustments in VA and MD
Property managers with Columbia Gas accounts frequently encounter these billing challenges:
Multi-state rate complexity for portfolios spanning four states
Infrastructure replacement surcharges varying by jurisdiction
Gas cost recovery variability from wholesale market fluctuations
Estimated meter reads during extended winter weather
Budget billing reconciliation creating large annual adjustments
The utility is the sole provider in this service territory.
Gas distribution is regulated in all Columbia Gas service territories. Limited competitive gas supply options in Ohio through CHOICE program. PA, VA, and MD are fully regulated gas markets. Rates set by respective state PUCs.
Distribution replacement rider updates under review in all four states; gas system modernization investment plan filings pending in Ohio and Pennsylvania
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