Green Lake dam awaits replacement part to get back up and running

The failed hydraulic ram, at the bottom of a 160 ft shaft at the Green Lake power plant. The ram – which is essentially a water-powered pump – failed while the Green Lake Tunnel was being drained for a planned inspection. (File photo courtesy of Utility Director Bryan Bertacchi)A breakdown in the Green Lake hydroelectric plant has forced Sitka to temporarily switch fuel sources this winter.  The city – which normally runs on hydropower – has been using diesel since O