CMS EnergyKPI data tables
CMS Energy operating metrics behind the KPI charts, newest period first (up to 24 periods per chart). Periods use each company's own fiscal labels where the source does; each table names its source.
| Period | Electric deliveries |
|---|---|
| FY 2025 | 37.4 |
| FY 2024 | 36.8 |
| FY 2023 | 36.3 |
| FY 2022 | 37.3 |
Source: CMS Energy Form 10-K MD&A footnote 'Deliveries to end-use customers were X billion kWh'. Year ended December 31, 2023 (36.3 TWh in 2023 and 37.3 TWh in 2022): https://www.sec.gov/Archives/edgar/data/811156/000081115624000044/cms-20231231.htm. Year ended December 31, 2024 (36.8 TWh in 2024 and 36.3 TWh in 2023): https://www.sec.gov/Archives/edgar/data/811156/000081115625000036/cms-20241231.htm. Year ended December 31, 2025 (37.4 TWh in 2025 and 36.8 TWh in 2024): https://www.sec.gov/Archives/edgar/data/811156/000081115626000004/cms-20251231.htm. Form 10-Q quarter ended June 30, 2026 (H1 18.0 TWh in 2026 and 2025, not plotted): https://www.sec.gov/Archives/edgar/data/811156/000081115626000028/cms-20260630.htm.
| Period | Owned natural gas | Owned coal | Owned renewable energy | Owned oil |
|---|---|---|---|---|
| FY 2025 | 14,661 | 7,320 | 2,509 | 106 |
| FY 2024 | 14,856 | 7,932 | 2,521 | 96 |
| FY 2023 | 11,221 | 6,884 | 1,993 | 2 |
| FY 2022 | 6,684 | 10,217 | 2,217 | 4 |
Source: CMS Energy Form 10-K Item 1 table 'sources of Consumers electric supply for the last three years' (GWh). Years 2022 to 2024 from the year ended December 31, 2024 10-K: https://www.sec.gov/Archives/edgar/data/811156/000081115625000036/cms-20241231.htm. Years 2023 to 2025 from the year ended December 31, 2025 10-K: https://www.sec.gov/Archives/edgar/data/811156/000081115626000004/cms-20251231.htm.
| Period | Natural gas CC and CT | Oil/gas steam (Karn 3 and 4) | Coal | Hydro (incl. Ludington share) | Wind, solar, and battery |
|---|---|---|---|---|---|
| FY 2025 | 2,469 | 1,189 | 0 | 1,194 | 1,088 |
| FY 2024 | 2,457 | 1,200 | 1,331 | 1,187 | 841 |
| FY 2023 | 2,476 | 1,200 | 1,401 | 1,192 | 637 |
Source: CMS Energy Form 10-K Item 1 table 'details about Consumers electric generation and supply mix', 2023/2024/2025 Generation Capacity (MW) column, owned-generation rows. Year ended December 31, 2023: https://www.sec.gov/Archives/edgar/data/811156/000081115624000044/cms-20231231.htm. Year ended December 31, 2024: https://www.sec.gov/Archives/edgar/data/811156/000081115625000036/cms-20241231.htm. Year ended December 31, 2025: https://www.sec.gov/Archives/edgar/data/811156/000081115626000004/cms-20251231.htm.
| Period | Consumers electric utility | Consumers gas utility | NorthStar Clean Energy |
|---|---|---|---|
| FY 2025 | 5,638 | 2,493 | 408 |
| FY 2024 | 5,061 | 2,138 | 316 |
| FY 2023 | 4,745 | 2,420 | 297 |
Source: CMS Energy Form 10-K Note 'Reportable Segments' operating revenue row for Electric Utility, Gas Utility, and NorthStar Clean Energy. Year ended December 31, 2025 (includes 2025 / 2024 / 2023 columns): https://www.sec.gov/Archives/edgar/data/811156/000081115626000004/cms-20251231.htm. Item 1 narrative matches the rounded billions ($5.6B / $5.1B / $4.7B electric; $2.5B / $2.1B / $2.4B gas; $408M / $316M / $297M NorthStar). Q2 2026 NorthStar strategy: earnings release Exhibit 99.1, https://www.sec.gov/Archives/edgar/data/811156/000110465926087288/tm2621427d1_ex99-1.htm.