Grid Status @gridstatus.io · Dec 19

The vast majority of heating in ISO-NE is fossil, split between heating oil and natural gas . The reliance on natural gas, particularly in densely populated areas in Eastern MA, along the Connecticut River, and in the NYC suburbs, place added strain on pipeline supply during cold weather events.

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Grid Status · Dec 19

Similar to nearby New England, NYISO’s heating is dominated by oil and natural gas . While pipeline limitations are not as big of a concern as in ISO-NE, extended cold snaps and high demand in zones J and K can drive up spot pricing.