NV Energy offers tips to stay cool, conserve energy NV Energy offers simple tips to stay cool and conserve energy Check out this story on rgj.com: http://on.rgj.com/1ID8Jj6 With the temperatures outside reaching triple digits, NV Energy has tips for Northern Nevadans to conserve energy and reduce power bills while keeping their homes cool and comfortable. "Air conditioning typically accounts for the majority of your summer electric bill," said Pat Egan, senior vice president of customer operations.