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Day-Ahead Lake Erie Circulation

NYISO day-ahead hourly scheduled Lake Erie loop-flow circulation.

Interchange data
Download data
Native record
event_time
hourly (DAM) publication cadence
Evidence
Cleared day-ahead market
A market outcome, not a physical observation
Time basis
Point-in-time records
UTC · event_time

Overview

It provides the forward scheduled counterpart to real-time Lake Erie circulation.

Query contract

Preserve one canonical row per (event_time) before aggregating.

Analysis rules

  • Group only after preserving the declared grain: event_time.

Schema3

Column
Type
event_timeDateTime64(6, 'UTC')
circulation_mwhNullable(Float64)
ingested_atDateTime64(6, 'UTC')

Sample data

event_timecirculation_mwhingested_at
2026-10-02 03:00:00.000000-132.92026-10-01 14:50:16.234666
2026-10-02 03:00:00.000000-132.92026-10-01 13:50:15.996979
2026-10-02 02:00:00.000000-135.72026-10-01 14:50:16.234666
2026-10-02 02:00:00.000000-135.72026-10-01 13:50:15.996979
2026-10-02 01:00:00.0000003.92026-10-01 14:50:16.234666
2026-10-02 01:00:00.0000003.92026-10-01 13:50:15.996979
2026-10-02 00:00:00.0000001182026-10-01 14:50:16.234666
2026-10-02 00:00:00.0000001182026-10-01 13:50:15.996979
2026-10-01 23:00:00.000000248.22026-10-01 14:50:16.234666
2026-10-01 23:00:00.000000248.22026-10-01 13:50:15.996979
2026-10-01 22:00:00.000000231.12026-10-01 14:50:16.234666
2026-10-01 22:00:00.000000231.12026-10-01 13:50:15.996979
2026-10-01 21:00:00.000000235.12026-10-01 14:50:16.234666
2026-10-01 21:00:00.000000235.12026-10-01 13:50:15.996979
2026-10-01 20:00:00.000000171.42026-10-01 14:50:16.234666
2026-10-01 20:00:00.000000171.42026-10-01 13:50:15.996979
2026-10-01 19:00:00.00000015.42026-10-01 14:50:16.234666
2026-10-01 19:00:00.00000015.42026-10-01 13:50:15.996979
2026-10-01 18:00:00.000000-43.12026-10-01 14:50:16.234666
2026-10-01 18:00:00.000000-43.12026-10-01 13:50:15.996979
2026-10-01 17:00:00.000000-62.82026-10-01 14:50:16.234666
2026-10-01 17:00:00.000000-62.82026-10-01 13:50:15.996979
2026-10-01 16:00:00.000000-69.72026-10-01 14:50:16.234666
2026-10-01 16:00:00.000000-69.72026-10-01 13:50:15.996979
2026-10-01 15:00:00.000000-121.52026-10-01 14:50:16.234666

Coverage

100.0% complete0 gap days6,363 days with data
Show coverage history
Coverage: 100.0%Days with data: 6,363Gaps: 0
2026
2025
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