In January, Invenergy announced their intention to build a natgas-powered electric plant in Elizabeth Township, in Allegheny County (see Invenergy Eyes SWPA for Second Marcellus-Powered Electric Plant). Compared to Invenergy's other PA plant now under construction in Jessup, PA (1,480 megawatts), the proposed Elizabeth plant is much smaller, at 550 megawatts. It would be built