Press-Register: While Alabama Power looks mainly to coal to meet future power needs, utilities in other Southeastern states are taking a harder look at solar power. In some cases, state governments are forcing them to do so. Florida Power and Light, facing increases in power demand, plans to begin construction on three solar plants in the state by the end of next year. Duke Energy in North Carolina, which generates half its power from coal plants, has launched a pilot program in which homeowners and …