By Robynn Andracsek, P.E., Burns & McDonnell Most power plant emission control efforts have focused on mercury, NOx and SO2 emissions, but in recent years PM2.5 has risen in importance for Clean Air Act compliance. PM2.5 is a complex and not well understood pollutant, even though it was first regulated via a National Ambient Air […]

AES Corp.’s subsidiary Dayton Power & Light (DP&L) plans to retire six coal-fired units representing about 390 MW at its 414-MW Hutchings coal-, gas-, and oil-fired plant in Miamisburg, Ohio, by June 2015 as a result of existing and expected environmental regulations, including the Mercury and Air Toxics Standards (MATS). The news comes on the heels of Indianapolis Power & Light Co.’s (IPL’s) announcement that it plans to retire 600 MW of coal-fired capacity to comply with environmental rules.

Cost overruns of nearly $1 billion to build the 582-MW Kemper integrated gasification combined cycle (IGCC) plant in Kemper County, Miss., were underscored on May 20 as Mississippi Power’s Board of Directors took the dramatic step of replacing the Southern Co. subsidiary’s leadership.

Water has been one of the biggest headaches for fracking. But a new method offers a means to fracture shale—using natural gas itself.

EU leaders are beginning to comprehend that there is a practical limit to their dogged pursuit of reducing carbon emissions: their customers’ ability to pay their energy bills each month.

Beware the letter from the Environmental Protection Agency asking seemingly innocuous questions about your plant.

Protecting polar bears was the subject of two recent legal rulings. The courts ensured the bears remain protected but also closed to door to those wanting to use the Endangered Species laws to effect new greenhouse gas rules.