NYISO Monthly Energy Costs Up 98% Y-o-Y

Apr 15, 2021

NYISO locational-based marginal prices were down sharply in March compared to February’s average, though they were well above March 2020's average prices.

NYISO locational-based marginal prices averaged $28.59/MWh in March, down sharply from February’s average of $63.70/MWh but well above the $17.11/MWh average in March 2020, the Business Issues Committee heard Wednesday.

Day-ahead and real-time load-weighted LBMPs came in lower compared with February, Rana Mukerji, the ISO’s senior vice president for market structures, said in delivering the monthly operations report.

NYISO Energy Prices — NYISO Monthly Average Internal LBMPs (2020-2021) | *NYISO*

Year-to-date monthly energy costs averaged $46.47/MWh, up 98% from a year ago. March’s average sendout was 381 GWh/day, down from 434 GWh/day in February and higher than 375 GWh/day a year earlier.

Transco Z6 hub natural gas prices averaged $2.24/MMBtu for the month, down from $5.22/MMBtu in February but up 50% year-over-year.

Distillate prices rose compared to the previous month and were up 65% year-over-year. Jet Kerosene Gulf Coast averaged $12.38/MMBtu, up from $11.79/MMBtu in February. Ultra Low Sulfur No. 2 Diesel NY Harbor averaged $13.31/MMBtu, up from $12.71/MMBtu in February.

Uplift increased to 11 cents/MWh from -15 cents/MWh in February, while total uplift costs, excluding the ISO’s cost of operations, came in higher than February.

The ISO’s local reliability share dropped to 11 cents/MWh in March from 15 cents/MWh the previous month, while the statewide share climbed to 0 cents/MWh from -30 cents/MWh.

The Thunderstorm Alert cost in New York City remained unchanged at $0/MWh.

Energy Market NYISO Business Issues Committee