Yes65%
No35%
Aug 31Sep 8Sep 15Sep 23Sep 30
100%75%50%25%0%

The US Energy Information Administration (EIA) publishes the deciding data in its Monthly Energy Review, Table 1.11 (heating degree days by census division) and Table 1.12 (cooling degree days by census division). The deciding value is the sum of the monthly population-weighted heating degree days for New England over the winter season of 2027, where winter runs from November of 2027 through March and summer runs from May through September. The outcome is Yes if that total exceeds the value specified in the market question and No otherwise. The value becomes final when EIA releases the Monthly Energy Review with data for the full season, at about 10:00 AM CT and roughly three months after the season ends, and early resolution does not apply. If EIA delays the release, resolution waits until it is published.
Degree days measure how far outdoor temperatures depart from a fixed baseline temperature, with heating degree days counting how far temperatures fall below it and cooling degree days counting how far they rise above it. The event is total population-weighted heating degree days for New England over a five-month winter season, with local readings weighted by where people live.

The US Energy Information Administration (EIA) publishes the deciding data in its Monthly Energy Review, Table 1.11 (heating degree days by census division) and Table 1.12 (cooling degree days by census division). The deciding value is the sum of the monthly population-weighted heating degree days for New England over the winter season of 2027, where winter runs from November of 2027 through March and summer runs from May through September. The outcome is Yes if that total exceeds the value specified in the market question and No otherwise. The value becomes final when EIA releases the Monthly Energy Review with data for the full season, at about 10:00 AM CT and roughly three months after the season ends, and early resolution does not apply. If EIA delays the release, resolution waits until it is published.
Degree days measure how far outdoor temperatures depart from a fixed baseline temperature, with heating degree days counting how far temperatures fall below it and cooling degree days counting how far they rise above it. The event is total population-weighted heating degree days for New England over a five-month winter season, with local readings weighted by where people live.