NiSource Inc
NiSource Inc. is a U.S. energy holding company whose utility subsidiaries provide regulated natural gas and electric service. Its operations are organized around Columbia Operations and NIPSCO Operations, serving customers across six states in the Midwest and Mid-Atlantic regions.
Fiscal year 2025 · change from previous year
Development 2020–2025
Business
Share of revenueRegulated gas distribution and related utility services delivered through Columbia Operations and other subsidiaries.
Regulated electric distribution, transmission, and generation-related utility services, including NIPSCO operations.
Customers
NiSource serves end users that take utility service under regulated tariffs, including households, commercial customers, and industrial users. The company also serves large-load and special-contract customers, including data center counterparties in its electric service territory, where load growth can require new infrastructure and long-duration supply commitments.
Households buying natural gas and electricity for everyday utility needs under regulated rates.
Businesses buying utility service for buildings, operations, and heating/cooling loads.
Higher-volume users that require reliable electric and gas capacity and often drive infrastructure planning.
Large new-load customers contracting for dedicated electric capacity and related transmission/generation assets.
Strategy
NiSource’s strategy centers on safe and reliable utility service, infrastructure investment, and regulatory alignment of tariffs with cost structure. The company is also pursuing growth opportunities tied to evolving electric demand, including large-load and data center contracts that can support new generation and transmission investment.
Utility earnings and service quality depend on maintaining and expanding regulated networks.
Regulated utilities need rates that recover costs and support allowed returns.
New electric load can justify major generation and transmission investment.
Geography
NiSource operates utility businesses in six U.S. states, with service territories concentrated in the Midwest and adjacent regions. Its footprint includes northern Indiana, where the company has highlighted demand from large electric-load customers, and other regulated service areas tied to Columbia and NIPSCO operations.
Risks
NiSource faces the core risks of a regulated utility: operational outages, safety incidents, regulatory outcomes, and the need to recover large capital investments through approved rates or contracts. The company also has meaningful exposure to cyber risk, supply-chain disruption, and construction execution risk, especially where new large-load projects require complex generation and transmission buildouts.
- Regulatory and rate recovery riskImpact: HighLikelihood: Medium
Utility returns depend on state and federal approvals for rates, contracts, and capital recovery.
Exposure: Regulated gas and electric operations
- Construction cost overruns and schedule delaysImpact: HighLikelihood: Medium
Large generation and transmission projects can require significant capital and may face liquidated damages or shared overruns.
Exposure: Data center-related Contract Assets
- Cybersecurity and infrastructure securityImpact: HighLikelihood: Medium
Utility systems rely on technology to operate the grid, gas facilities, and customer data systems.
Exposure: Electric grid and natural gas infrastructure
- Supply-chain disruptionImpact: MediumLikelihood: Medium
Third-party vendors and equipment suppliers can affect service reliability and project timing.
Exposure: Utility operations and capital projects
Accounting
Judgemental itemsRate-regulated assets and liabilities can defer costs or revenues until recovered through tariffs.
Impact: Affects timing of earnings and balance-sheet presentation
Contract charges, reimbursement rights, and termination provisions affect revenue recognition and asset recovery.
Impact: Can materially affect reported revenue and project economics
Large generation and transmission projects require estimates for total cost, overruns, and liquidated damages.
Impact: Can change capitalized asset values and expense recognition
Utility operations often involve estimated obligations for compliance, remediation, and safety-related matters.
Impact: May affect reserves and future cash outflows
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Last updated: 24/09/2026