Transformer fire started at the Avista electrical substation in Osburn, ID all power out at the Galena mine. 49 miners were notified at 0130 hrs. to move to level stations. Coeur Hoist was manned by a hoistman. Power was diverted by Avista to the Galena #3 Hoist at 0355 hrs. All miners on surface by 0510 hrs. Day shift has been cancelled partial power in place by Avista.