Photo by AWard Tour.

Good morning, Washington. Pepco’s hot weather troubles have begun again. The electricity provider, which had a real rough go of it when heat waves hit the region last summer, spent their night battling power outages in Northeast D.C., even calling for some big users like the University of Maryland to curb on their electricity usage as a precaution. Approximately 1,500 Pepco customers lost power near First Street NE and between Kenilworth Avenue NE and the Anacostia River last night — that group includes J.O. Wilson Elementary School and, somewhat humorously, offices of the Federal Energy Regulatory Commission, both of which are closed today. Pepco’s still battling a large number of outages this morning, and the heat is making it difficult for them to provide an accurate estimate on when electricity will be fully restored to the areas affected.

Yup, We’re All Still Sweating: No mercy from the weather gods this morning — today’s forecast is about as miserable as yesterday’s, another day spent wallowing in the mid-90s with high humidity, inducing general malaise for anyone exerting themselves in business attire. Another heat advisory will be in effect today from noon until 8 p.m., at which point the sun will thankfully leave what’s left of our half-melted bodies to cool until tomorrow, when temperatures will fall back into the 80s.

McKinley High Principal Didn’t Doctor: A District investigation has cleared McKinley Technology High School principal David Pinder, who was accused of altering several senior transcripts in 2009 to award credit for courses students didn’t take. Of course, that’s hardly the end of the troubles for the high school, which is also under investigation for the way it handled a $100,000 grant for computer equipment. Pinder is expected to stay on as the school’s principal next year.

Briefly Noted: Nine injured in multi-car Beltway crash…ACLU threatens legal action against Maryland Transit Administration after man detained while taking photographs of trains and buses…Nats break ground on youth baseball academy at Fort Dupont Park…Homicide detectives investigate suspicious death of girl in Gaithersburg…Man shot near elementary school in New Carrollton…Woman stabbed on 4600 block of Livingston Road SE…Attorney General Eric Holder: “I want another season [of The Wire] or I want a movie. I have a lot of power.”…Squee.

This Day in DCist: Last year, readers debated stiff new traffic violation fines, and we lost go-go pioneer Little Benny; in 2009, we took a look at an urban garden space-sharing site and a video game which turned Metro into a bunch of alien-infested tunnels.