COLUMBIA — A controversial energy bill is heading to the House floor over the continued opposition of consumer and environmental advocates, who say changes fell far short of addressing concerns over fast-tracking a new power plant in South Carolina. A House committee voted unanimously Wednesday to advance the legislation introduced last month by Speaker Murrell Smith of Sumter, R-Sumter. The bill gives permission for Dominion Energy and state-owned utility company Santee Cooper to partner on a possible 2,000-megawatt natural gas plant on the site of a former coal-fired power plant along the Edisto River in Colleton County. But in the...