Updated: March 2026
Commercial rate guide for South Union — Natural gas distribution across Pennsylvania (western and central PA), Ohio (central and eastern), and West Virginia. Operates through Columbia Gas subsidiaries in each state.
Small general service for commercial accounts under 6,000 therms/year. Large general service with declining block rates. Purchased gas cost adjustment applied quarterly. Infrastructure replacement rider in each state.
Rising
4.4% average increase across jurisdictions effective January 2026 for infrastruc
4.4% average increase across jurisdictions effective January 2026 for infrastructure modernization investments
Property managers with South Union accounts frequently encounter these billing challenges:
Infrastructure replacement surcharges increasing annually across all states
Purchased gas cost adjustments causing winter bill volatility
Different billing formats between PA, OH, and WV operations
Estimated meter reads in rural service areas
The utility is the sole provider in this service territory.
Natural gas supply choice is available in Pennsylvania and Ohio through competitive suppliers. West Virginia is fully regulated. Delivery charges are regulated in all states.
Distribution system improvement charge (DSIC) extension filing pending in Pennsylvania before PUC
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