After frequent rescheduling and downgrading, including a last-minute delay after market close last Friday, September 21, New England’s main natural gas pipeline, Algonquin Gas Transmission (AGT), may finally run their biggest maintenance event of the year in terms of impact and duration. From September 25 through October 12, Algonquin will conduct an outage between its Stony Point (NY) and Oxford (CT) compressors. The outage reduces operational capacity at the Stony Point compressor from 1,141 MMcf/d to 744 MMcf/d for the duration of the event. While AGT reported average flows of 1,110 MMcf/d through Stony Point over the last two weeks, implied flows including no-notice nominations show Stony Point averaging 1,274 MMcf/d, meaning this event will cut over ~0.5 Bcf/d of mainline flows relative to the previous two-week average. Assessing previous years’ flows through Stony is somewhat tricky because of recent years’ restrictions for the Algonquin Incremental Market (AIM) expansions, […]

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