Outage 101

What We Do

NV Energy is among the best in the nation in providing reliable power. But sometimes outages due to weather, equipment or other issues do occur. Please know that we're always working hard to:

  • Minimize the number and length of outages.
  • Restore your power as quickly as possible while keeping our employees, customers and equipment safe.
  • Keep you informed during outages.

Restoring Power

Here are the typical activities we undertake to restore power:

  • Pinpoint the outage and determine solutions to restore power.
  • Reroute power, if doable, in order to restore as many customers as possible while making repairs.
  • Dispatch crews who are closest and have the right type of equipment.
  • Assess conditions for public and crew safety and develop a restoration work plan.
  • Patrol lines and investigate substations.
  • Clear downed power lines.
  • Restore power to critical services and the greatest number of people as quickly as possible through transmission lines that keep hundreds of substations full of energy.
  • Restore power to substations that convert high-voltage power to voltage levels people can use at home.
  • Restore power to concentrated areas through distribution lines and tap lines. Distribution lines travel from the substations to neighborhoods and serve between 1,000 to 3,000 customers. Tap lines then feed into pockets of 20 to 30 homes.
  • Restore power to individual (typically suburban or rural) homes and businesses. This task usually takes the longest.

Common Causes of Power Outages:

  • Trees, limbs or branches knocked down by wind, snow or ice into power lines.
  • Lightning striking a transformer or other electrical facilities.
  • Car accidents where transformers are hit, or utility poles are knocked over or sway enough to knock the lines together and trip off the circuit.
  • Equipment overload, especially on hot days when air conditioning usage is high, or during extremely cold weather when electric heaters are turned up throughout the electrical system.
  • Digging too close to lines or cutting a line.
  • Animals that contact the lines.
  • Circuit overloads within your own home. Check your fuses and breakers first. If they continue to trip off, call a local electrician to handle the problem.
  • Mylar balloons – they are metallic, so if they come into contact with power lines, they can cause equipment to fail. Don’t release them. Puncture them and throw them away instead.