| Metric | FY2025 | FY2024 | FY2023 | FY2022 | FY2021 | FY2020 | FY2019 | FY2018 | FY2017 |
|---|---|---|---|---|---|---|---|---|---|
| Operating Revenues | $545.2M-5.8% | $578.9M+1.4% | $571.1M+12.2% | $509.1M+3.1% | $494.0M+8.6% | $455.0M-2.3% | $465.5M-7.0% | $500.7M-71.2% | $1.74B |
| Natural gas | $154.4M-18.5% | $189.5M-6.5% | $202.7M+25.5% | $161.5M+11.1% | $145.3M+22.2% | $118.9M-12.3% | $135.5M-23.0% | $176.0M-69.1% | $570.5M |
| Operation and maintenance | $137.1M+1.1% | $135.6M-0.6% | $136.4M+4.8% | $130.1M-1.8% | $132.5M-4.7% | $139.1M-2.5% | $142.6M+2.7% | $138.8M-64.0% | $385.8M |
| Depreciation and amortization | $71.0M-2.5% | $72.8M+5.1% | $69.3M+3.7% | $66.8M+7.6% | $62.1M+4.7% | $59.3M+5.5% | $56.2M+5.6% | $53.2M+6.6% | $49.9M |
| Taxes, other than income taxes | $40.2M-5.9% | $42.7M-0.7% | $43.0M+12.9% | $38.1M+2.7% | $37.1M+6.6% | $34.8M-2.5% | $35.7M-1.1% | $36.1M+20.7% | $29.9M |
| Total Operating Expenses | $402.7M-8.6% | $440.6M-2.4% | $451.4M+13.8% | $396.5M+5.2% | $377.0M+7.1% | $352.1M-4.8% | $370.0M-8.4% | $404.1M+38.2% | $292.5M |
| Operating Income | $142.5M+3.0% | $138.3M+15.5% | $119.7M+6.3% | $112.6M-3.8% | $117.0M+13.7% | $102.9M+7.7% | $95.5M-1.1% | $96.6M-10.6% | $108.0M |
| Interest Expense | $29.6M-10.6% | $33.1M-5.2% | $34.9M+63.8% | $21.3M+5.4% | $20.2M-80.9% | $105.5M+1.1% | $104.4M+6.1% | $98.4M+10.4% | $89.1M |
| Other Income, Net | $400K-77.8% | $1.8M+20.0% | $1.5M+117.2% | -$8.7M-155.9% | -$3.4M-3500.0% | $100K-99.5% | $21.2M+365.0% | -$8.0M+36.5% | -$12.6M |
| Income Before Income Taxes | $113.3M+5.9% | $107.0M+24.0% | $86.3M-5.9% | $91.7M-7.2% | $98.8M+12.7% | $87.7M+8.5% | $80.8M-2.5% | $82.9M-11.7% | $93.9M |
| Income Tax Expense | $28.4M+5.6% | $26.9M+32.5% | $20.3M-12.5% | $23.2M-7.2% | $25.0M+13.6% | $22.0M+7.3% | $20.5M+177.4% | -$26.5M-134.1% | $77.6M |
| Net Income | $84.9M+6.0% | $80.1M+21.4% | $66.0M-3.6% | $68.5M-7.2% | $73.8M+12.3% | $65.7M+9.0% | $60.3M+4538.5% | $1.3M-97.8% | $58.1M |
| Provision for preferred dividends | $14.8M+0.0% | $14.8M+0.0% | $14.8M+0.0% | $14.8M+0.0% | $14.8M+0.0% | $14.8M+179.2% | $5.3M | — | — |
| Income allocated to participating securities | $300K+0.0% | $300K+0.0% | $300K+0.0% | $300K-25.0% | $400K+300.0% | $100K-75.0% | $400K-20.0% | $500K+25.0% | $400K |
| Net Income Available to Common Shareholders | $256.6M+8.8% | $235.8M+16.5% | $202.4M-1.6% | $205.7M-19.8% | $256.5M+248.0% | $73.7M-58.8% | $178.9M-16.3% | $213.7M+32.6% | $161.2M |
| Basic (in shares) | 58.5M+4.3% | 56.1M+6.9% | 52.5M+1.0% | 52.0M+0.8% | 51.6M+0.8% | 51.2M+1.0% | 50.7M+3.3% | 49.1M+4.7% | 46.9M |
| Diluted (in shares) | 58.7M+4.3% | 56.3M+7.0% | 52.6M+1.0% | 52.1M+0.8% | 51.7M+0.8% | 51.3M+1.0% | 50.8M+3.0% | 49.3M+4.9% | 47.0M |
| Basic Earnings Per Share of Common Stock (in dollars per share) | $4390000.00+4.5% | $4200000.00+8.8% | $3860000.00-2.5% | $3960000.00-20.3% | $4970000.00+345138788.9% | $1.44-59.2% | $3.53-18.9% | $4.35+26.5% | $3.44 |
| Diluted Earnings Per Share of Common Stock (in dollars per share) | $4370000.00+4.3% | $4190000.00+8.8% | $3850000.00-2.5% | $3950000.00-20.4% | $4960000.00+344444344.4% | $1.44-59.1% | $3.52-18.7% | $4.33+26.2% | $3.43 |
| Spire Missouri [Member] | |||||||||
| Spire Alabama Inc [Member] | |||||||||
Source: SEC EDGAR XBRL. % change vs prior period shown where available.
Source: SEC EDGAR 10-K and 10-Q filings. Up to 10 years annual / 16 quarters shown.