"You have stretched the rubber band . as much as you can," says an analyst, not expecting...

|By:, SA News Editor

"You have stretched the rubber band ... as much as you can," says an analyst, not expecting utilities to switch from coal to natural gas much more after coal accounted for just 37% of electricity production in February (46% a year ago). Cheap gas can actually hurt some power producers as it drives down wholesale prices faster than costs.