PacifiCorp en Explosion at Chehalis power plant; no injuries reported <p>A blast and fire at a natural-gas fired power plant in Chehalis was caused by a transformer explosion. No one was injured, according to a plant spokeswoman.</p><p>Jan Mitchell says the PacifiCorp-owned facility’s damage is limited to a large transformer on the edge of the property.&nbsp;</p><p>The fire did not involve the plant itself or natural gas.</p><p> Thu, 20 Jan 2011 15:13:43 +0000 The Associated Press & KPLU News Staff 570 at