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Is Alliant Energy (alliantenergy.com) Down?
DOWN — Not responding
Last checked: 3h ago
Avg TTFB
1313ms
#36 in S&P 500
Total Load
1273ms
Uptime
75.0%
Based on 8 checks
Response Time — Recent Checks
About This Site
Recent Checks
| Time | Status | TTFB | Total |
|---|---|---|---|
| 2/20/2026, 5:51:02 PM | ✗ Down | 4597 ms | 4597 ms |
| 2/20/2026, 1:02:52 PM | ✗ Down | — ms | 567 ms |
| 2/20/2026, 12:57:45 PM | ✓ Up | 829 ms | 917 ms |
| 2/20/2026, 12:54:37 PM | ✓ Up | 1035 ms | 1118 ms |
| 2/20/2026, 12:52:45 PM | ✓ Up | 775 ms | 856 ms |
| 2/20/2026, 12:36:03 PM | ✓ Up | 505 ms | 506 ms |
| 2/20/2026, 12:32:40 PM | ✓ Up | 674 ms | 774 ms |
| 2/20/2026, 12:32:15 PM | ✓ Up | 773 ms | 852 ms |