This week's company briefs include news on Duke Energy, Black Hills Energy, Atlantic Coast Pipeline, Seattle City Light's, Lincoln Electric, Westar, Dynergy.

On Wednesday, the DC PSC approved the $6.8 billion Exelon-Pepco merger, creating the largest publicly held utility in the country.

The D.C. Public Service Commission is poised to decide Wednesday the fate of the controversial proposed merger of Exelon and Pepco Holdings Inc.

This week's company briefs include news on TransCanada, Columbia Gas, Calpine, Alevo, Cleco, Peabody Energy.

The developers of the Constitution Pipeline say the project will be delayed by nearly a year due to regulatory delays.

FERC denied ATSI’s request to rehear two 2011 orders in which it ruled that ATSI was not entitled to exit fees and legacy transmission costs.

FERC Waived the Public Utilities Regulatory Policies Act (PURPA) obligations for Heartland Consumers Power District customers.

FERC approved an uncontested settlement agreement granting PNM a 10% base return on equity on its transmission operations.

FERC denied a rehearing request from LIPA in a dispute with a power plant developer over interconnection requirements.

FERC accepted a compliance filing from Louisville Gas & Electric (LG&E) and Kentucky Utilities to hold joint meetings on regional transmission projects.