- Analyze the need for rapid response for energy changes
- Day ahead trading
NYISO (New York) Hourly Day Ahead Market Ancillary Service Prices
Ancillary services that are necessary to support the transmission of Capacity and Energy from resources to Loads while maintaining reliable operation of the NYS Transmission System in accordance with Good Utility Practice. In Day-ahead Market (DAM) these Ancillary Services are scheduled and sold Day-Ahead consisting of the Day-Ahead scheduling process, price calculations and Settlements.
Ancillary services, such as operating reserves and frequency response, are necessary tools used by grid operators to ensure reliability and stability of the power system in the short term. Power grids are evolving around the world as traditional retirement generation rises and renewable energy. So far, though, it has not been difficult to maintain short-term performance. In power systems where renewables make up a much larger proportion of the generation supply, some operational changes and additions to ancillary services are likely to be made.
This data product offers hourly ancillary services prices for all zones (Zonal) in NYISO. For each zone, you will find 10 Min Spinning Reserve, 10 Min Non-Synchronous Reserve, 30 Min Operating Reserve, NYCA Regulation Capacity in $/MWh.
Here are the list of zones in this data product:
- New York Control Area Load Zones: One of eleven geographical areas located within the New York Control Area (NYCA) that is bounded by one or more of the fourteen New York State Interfaces.
NYISO Load Zone Map
|Load Zone Id||Name|
|MHK VL||Mohawk Valley|
|HUD VL||Hudson Valley|
- External Zones:
NYISO External Zone Map
|Load Zone Id||Name|
|O H||Ontario Hydro|
Related Data Products
- Includes hourly price in $/MWh
- Updated daily at or before 5:00 PM ET
- Historical data goes back to 2008
- Covers 11 New York Control Area Load Zones and 3 External Zones
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8 Data Columns
Operation Timestamp (opr_ts)
The date and hour when the market runs and value supplied
Source Name (source_name)
Name of the Point
Market Type (market_type)
Market Execution Types. Possible values: DAM (Day Ahead Market), HASP (Hour Ahead Scheduling Process), ACTUAL, RTD (Real-Time Dispatch), RTPD (Real-Time Pre-Dispatch)
10-Minutes Spinning Reserve (ten_min_spinning_reserve)
Operating Reserves provided by Generators and Demand Side Resources that meet the eligibility criteria set forth in Rate Schedule 4 of this ISO Services Tariff that are already synchronized to the NYS Power System and can respond to instructions to change their output level, or reduce their Energy usage, within ten (10) minutes.
30-Minute Reserve (thirty_min_spinning_reserve)
Synchronized Operating Reserves provided by Generators and Demand Side Resources that are not Local Generators; or non-synchronized Operating Reserves provided by Generators or Demand Side Resources that meet the eligibility criteria set forth in Rate Schedule 4 of this ISO Services Tariff and that can respond to instructions to change their output level within thirty (30) minutes, including starting and synchronizing to the NYS Power System.
NYCA Regulation Capacity (nyca_regulation_capacity)
New York Control Area (NYCA) Regulation Capacity is the Energy or Demand Reduction capability, measured in MW, that a Regulation Service provider offers and/or which it is scheduled to provide for Regulation Service
10-Minute Non-Synchronized Reserve (ten_min_non_sync_reserve)
Operating Reserve provided by Generators, or Demand Side Resources, including Demand Side Resources using Local Generators, that meet the eligibility criteria set forth in Rate Schedule 4 of this ISO Services Tariff and that can be started, synchronized and can change their output level within ten (10) minutes
Time Zone (time_zone)