Overview
NYISO real-time five-minute Lake Erie loop-flow circulation. Positive values indicate clockwise / into-NYISO circulation, an important transfer-path context for New York imports and congestion.
Schema3
Column
Type
event_timeDateTime64(6, 'UTC')circulation_mwhNullable(Float64)ingested_atDateTime64(6, 'UTC')Sample rows
| event_time | circulation_mwh | ingested_at |
|---|---|---|
| 2026-08-15 06:20:00.000000 | 176.1 | 2026-08-15 06:17:51.027973 |
| 2026-08-15 06:15:00.000000 | 129.7 | 2026-08-15 06:17:51.027973 |
| 2026-08-15 06:10:00.000000 | 69.2 | 2026-08-15 06:17:51.027973 |
| 2026-08-15 06:05:00.000000 | 81.7 | 2026-08-15 06:17:51.027973 |
| 2026-08-15 06:00:00.000000 | 99.5 | 2026-08-15 06:17:51.027973 |
| 2026-08-15 05:55:00.000000 | 85.4 | 2026-08-15 06:17:51.027973 |
| 2026-08-15 05:50:00.000000 | 108.7 | 2026-08-15 06:17:51.027973 |
| 2026-08-15 05:45:00.000000 | 63.7 | 2026-08-15 06:17:51.027973 |
| 2026-08-15 05:40:00.000000 | 46 | 2026-08-15 06:17:51.027973 |
| 2026-08-15 05:35:00.000000 | 70.4 | 2026-08-15 06:17:51.027973 |
| 2026-08-15 05:30:00.000000 | 0.8 | 2026-08-15 06:17:51.027973 |
| 2026-08-15 05:25:00.000000 | 19.2 | 2026-08-15 06:17:51.027973 |
| 2026-08-15 05:20:00.000000 | 168.8 | 2026-08-15 06:17:51.027973 |
| 2026-08-15 05:20:00.000000 | 168.8 | 2026-08-15 05:17:53.666659 |
| 2026-08-15 05:15:00.000000 | 314.7 | 2026-08-15 06:17:51.027973 |
| 2026-08-15 05:15:00.000000 | 314.7 | 2026-08-15 05:17:53.666659 |
| 2026-08-15 05:10:00.000000 | 302.4 | 2026-08-15 06:17:51.027973 |
| 2026-08-15 05:10:00.000000 | 302.4 | 2026-08-15 05:17:53.666659 |
| 2026-08-15 05:05:00.000000 | 156.5 | 2026-08-15 06:17:51.027973 |
| 2026-08-15 05:05:00.000000 | 156.5 | 2026-08-15 05:17:53.666659 |
| 2026-08-15 05:00:00.000000 | 286.7 | 2026-08-15 06:17:51.027973 |
| 2026-08-15 05:00:00.000000 | 286.7 | 2026-08-15 05:17:53.666659 |
| 2026-08-15 04:55:00.000000 | 243.9 | 2026-08-15 06:17:51.027973 |
| 2026-08-15 04:55:00.000000 | 243.9 | 2026-08-15 05:17:53.666659 |
| 2026-08-15 04:50:00.000000 | 216 | 2026-08-15 06:17:51.027973 |
Coverage
100.0% complete0 gap days117 days with data
Show coverage history ▾
Coverage: 100.0%Days with data: 117Gaps: 0
2026
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