The fires destroyed one home and damaged two others.
The loss of power to the plant is a major concern since a disruption of electricity supply could knock out cooling systems.
The lightning-sparked Loyalton Fire is now 47,029 acres and 93% contained.
Pacific Gas & Electric says its equipment may have ignited the 2018 Camp Fire, which killed 86 people and destroyed an entire town in Northern California.
NDOT says I-580 will be closed between northern Carson City and Washoe Valley Nov. 17 and Nov. 18 between 7 a.m. and 1 p.m. daily for replacement of NV Energy power lines crossing the interstate.
Reno Fire crews knocked down a half-acre brush fire Saturday morning on the north slope of Peavine Mountain, between Stead and Red Rock just after 9:30 a.m.
An island-wide blackout has hit Puerto Rico, which is struggling with an increasingly unstable power grid nearly seven months after Hurricane Maria hit the U.S. territory.
The Bureau of Land Management says the Tohakum 2 Fire near Pyramid Lake is 95% contained at 94,221-acres burned.
Tahoe Douglas Fire says a mechanical failure likely led to a fire at the NV Energy plant in Zephyr Cove early Monday morning.
A strong storm cell passed over the Winnemucca District Saturday night around 9 p.m. with substantial lightning causing multiple fires.