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Nisource Inc. (NI)

Nisource Inc. brought in $11.4B of revenue over the twelve months to June 30, 2026, up 16.6% from a year earlier. In fiscal 2025 capital spending exceeded operating cash flow by $420M. At June 30, 2026 it held $70M in cash against $16.7B of debt. Its latest periodic report to the SEC is the quarterly report (10-Q) filed on August 5, 2026.

Price
$39.42
+0.77% on the day · September 25, 2026
52-week range $38.95 to $49.21
Market cap
$18.9B
Revenue (last 12 months)
$11.4B
+16.6% year on year
P/E
20.2
on FY2025 diluted EPS

What Nisource Inc. does

Nisource Inc. is registered with the SEC under industry code SIC 4931 (Electric & Other Services Combined). Its shares trade on NYSE under the ticker NI.

Revenue and profit by year

Revenue
FY18: $5B $5B FY18FY19: $5.1B $5.1B FY19FY20: $4.5B $4.5B FY20FY21: $4.7B $4.7B FY21FY22: $5.7B $5.7B FY22FY23: $5.3B $5.3B FY23FY24: $5.3B $5.3B FY24FY25: $6.5B $6.5B FY25
Net income
FY18: -$50.6M -$50.6M FY18FY19: $383.1M $383.1M FY19FY20: -$17.6M -$17.6M FY20FY21: $584.9M $584.9M FY21FY22: $804.1M $804.1M FY22FY23: $714.3M $714.3M FY23FY24: $760.4M $760.4M FY24FY25: $929.5M $929.5M FY25

Fiscal years as reported in annual reports. Amounts in USD.

Key figures

Fiscal yearRevenueOperating incomeNet incomeDiluted EPSFree cash flow
2025$6.5B$1.8B$929.5M$1.95-$420M
2024$5.3B$1.5B$760.4M$1.62-$832.5M
2023$5.3B$1.3B$714.3M$1.48-$710.7M
2022$5.7B$1.3B$804.1M$1.70-$793.7M
2021$4.7B$1B$584.9M$1.27-$620.1M
2020$4.5B$550.8M-$17.6M-$0.19-$654.1M

Latest SEC filings

What Nisource Inc. has filed recently, newest first. Each links to the original document on SEC EDGAR.

  1. August 18, 2026
    Other event 8-K
  2. August 14, 2026
    Securities offering prospectus 424B2
  3. August 14, 2026
    Passive stake changed SCHEDULE 13G/A
  4. August 13, 2026
    Offering term sheet FWP
  5. August 13, 2026
    Securities offering prospectus 424B5
  6. August 5, 2026
    Quarterly report 10-Q · period to June 30, 2026
  7. August 5, 2026
    Quarterly results 8-K
  8. June 18, 2026
    Employee plan annual report 11-K
  9. May 18, 2026
    Other event 8-K
  10. May 12, 2026
    Shareholder vote results 8-K

Recent insider filings (Forms 3, 4 and 144): 10, the latest on August 18, 2026. Insider transactions on SEC

All filings on SEC EDGAR

Questions about NI

What does Nisource Inc. do?

Nisource Inc. is registered with the SEC under industry code SIC 4931 (Electric & Other Services Combined). Its shares trade on NYSE under the ticker NI.

How much revenue does Nisource Inc. make?

Over the twelve months to June 30, 2026 Nisource Inc. reported revenue of $11.4B. That is 16.6% more than a year earlier.

When did Nisource Inc. last report?

Its most recent periodic report is the quarterly report (10-Q) filed on August 5, 2026. It covers the period to June 30, 2026. Its newest filing of any kind is the other event from August 18, 2026.

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Where the numbers come from

Financial figures are the values Nisource Inc. tagged in its own SEC filings (XBRL), taken from the latest filing for each period, so restatements replace older figures. Revenue, profit and cash flow are for full fiscal years unless marked as the last twelve months, which is the sum of the four most recent quarters. Where a company reports only the full year, the fourth quarter is the year minus the first three.

Prices are delayed end-of-day market data in the listing currency, and market cap moves with the price. P/E is shown only when earnings per share are positive. Nothing here is investment advice.