NiSource Inc. 10-Q Summary: Quarter Ended September 30, 2025
Business Context and Reporting Period
This report covers the quarterly period ended September 30, 2025. NiSource Inc. is an energy holding company operating two primary reportable segments: Columbia Operations (regulated natural gas distribution in five states) and NIPSCO Operations (regulated gas and electric service in northern Indiana). The company is currently executing a major strategic pivot involving a Data Center Contract signed in September 2025, which commits the company to constructing up to 3,000 MW of dispatchable generation to serve a large publicly traded customer, with an estimated total project cost of approximately $7 billion.
Key Financial Metrics (Nine Months Ended Sept 30, 2025)
| Metric | 2025 (YTD) | 2024 (YTD) |
|---|---|---|
| Total Operating Revenues | $4,739.3 million | $3,867.3 million |
| Operating Income | $1,319.8 million | $1,038.7 million |
| Net Income Attributable to NiSource | $671.7 million | $536.5 million |
| Diluted Earnings Per Share | $1.42 | $1.14 |
| Operating Cash Flow | $1,649.7 million | $1,241.7 million |
| Capital Expenditures | $1,936.0 million | $1,854.0 million |
| Long-Term Debt (excl. current) | $14,472.1 million | $12,074.5 million |
| Debt-to-Capitalization Ratio | 54.7% | N/A |
Material Changes vs. Prior Period
- Revenue Growth: Operating revenues increased by $872.0 million (22.5%) year-over-year. This was driven by new rates from base rate proceedings, regulatory capital programs, and increased customer usage due to colder weather in the gas segment and higher industrial demand in the electric segment.
- Profitability: Operating income rose by $281.1 million. Net income attributable to NiSource increased by $135.2 million, primarily due to higher revenues from capital investments, partially offset by increased operating expenses (O&M and depreciation) and higher interest expense.
- Segment Performance:
- Columbia Operations: Operating income increased $120.3 million, driven by new rates and weather normalization.
- NIPSCO Operations: Operating income increased $148.5 million, driven by new rates, weather effects, and customer growth.
- Debt Issuance: The company issued $1.5 billion of 5.850% senior notes (maturing 2055) and $900 million of 5.350% senior notes (maturing 2035) in March and June 2025, respectively, to fund operations and future growth.
Guidance, Outlook, and Strategic Developments
- Data Center Strategy: On September 18, 2025, NIPSCO signed a contract to provide up to 2,400 MW of capacity to a data center customer by 2032. The project involves constructing 400 MW of battery storage and two 1,300 MW natural gas turbines. The company expects to invest approximately $6.4 billion in these "Contract Assets" between 2026 and 2030.
- Capital Investment Outlook:
- 2025: Expected total capital investments of $4.0 billion to $4.3 billion (excluding Data Center Contract investments).
- 2026-2030: Forecasted base business investments of ~$21.0 billion and Data Center Contract investments of ~$6.4 billion.
- Energy Transition: NiSource remains on track to retire R.M. Schahfer's remaining coal units by the end of 2025 and the Michigan City Generating Station by the end of 2028, replacing them with renewable and flexible natural gas resources.
- Regulatory Environment: The company is monitoring potential changes in federal regulations, including the EPA's proposed repeal of GHG emissions standards for fossil fuel-fired power plants, which could impact the cost structure of its generation transition.
Investor Verification Checklist
- Data Center Contract Execution: Verify the timeline and cost estimates for the $7 billion generation and transmission build-out required to meet the 2027-2032 capacity commitments.
- Financing Capacity: Assess the company's ability to secure the significant additional debt and equity financing required for the Data Center project without downgrading its investment-grade credit rating (currently BBB+/Baa2).
- Regulatory Approvals: Monitor the status of IURC approvals for the Data Center Contract, the GenCo settlement, and the PPA between NIPSCO and GenCo.
- Customer Concentration Risk: Evaluate the risk associated with the Data Center customer's ability to fulfill payment obligations and the potential impact of the customer's option to reduce capacity by 50% after 2029.
- Construction Risks: Review the terms of EPC contracts regarding cost overruns, liquidated damages for delays, and the sharing of excess costs between NiSource and the customer.