Updated 9:10 am., Tuesday.
Wednesday's expected temperature drop can't come soon enough for Eversource's groaning Boston power grid - and the people who keep losing their AC and lights because of it.
Last might, more than 2,000 homes and businesses in South Boston and Charlestown lost power. South Boston's outage was concentrated east of L Street, the same part of the neighborhood that last power in the last heat wave in July.
Eversource reported smaller outages in Dorchester's Ashmont neighborhood, Packard's Corner in Allston, Readville in Hyde Park and the South End.
Dorchester's Ashmont area, Packard's Corner in Allston and Hyde Park in and north of Readville.
After power was restored in South Boston, some parts lost power again.