Truckee Donner Public Utility District
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Truckee Donner PUD takes the threat of wildfire seriously. Catastrophic wildfires across the Western U.S. in recent years have highlighted the dangers of wildfire season in the Truckee/Tahoe area. Our wildfire prevention activities are designed to reduce the risk that our overhead electric distribution system will be the cause of ignition of a catastrophic wildfire.
NV Energy Wildfire Outage (PSOM) Details Below*
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What does the Truckee Donner Public Utility District do to prevent wildfires?
At the Truckee Donner PUD, we recognize the devastating effects of wildfires and work continuously to ensure the safety of our employees, customers, and community. Safety is our top priority!
We treat our entire service territory as high risk. Our comprehensive Wildfire Mitigation Plan includes enhanced vegetation management activities, and improved operational and engineering practices. All of these steps reduce the risk of fire ignition from vegetation and our equipment.
- Enhanced Vegetation Management: We are clearing vegetation within a larger area around electrical lines and poles, as well as inspecting and trimming more frequently, to reduce the risk of fire or power outages due to tree contact.
- Infrastructure Investments: We are upgrading critical equipment, adopting new technology and expanding patrols during outages to prevent ignition. We’re also replacing traditional fuses with current-limiting fuses, replacing mineral oil-filled equipment with less flammable plant-based oil-filled equipment, and leveraging our advanced metering infrastructure system.
- Improved Operational Practices: During wildfire season, we turn off automatic reclosing for overhead lines. This means that if a protective device opens, it stays open until District personnel reset it.
- Anticipated and Unplanned Outages: Truckee Donner PUD’s wildfire prevention activities are designed to reduce the risk that our overhead electric distribution system will be the cause of a wildfire. The steps we are taking make our electric system safer, however, they can prolong the duration of power outages that occur in wildfire season.
What are Wildfire Safety Outages?
NV Energy PSOM
In a PSOM event, NV Energy will de-energize transmission lines that deliver power to Truckee—and likely the entire Truckee-North Tahoe region—during extreme weather conditions and elevated fire risk levels. As in prior years, TDPUD plans to alert the public with typically a 48-24 hour notice, followed by a 12-4 hour notice. To learn more about PSOM and how TDPUD will communicate with the community during this event, visit tdpud.org/psom.
NV Energy Emergency De-Energization
In an emergency de-energization event, NV Energy will shut off power when an active wildfire gets too close to its equipment, to protect first responders on the ground fighting fires, and to avoid contributing to catastrophic wildfire conditions by lowering the risk of a secondary ignition. Depending on the location of the fire start and rate of expansion, NV Energy may provide little notice of the safety outage. TDPUD is evaluating this new de-energization program and will work to communicate to the public as soon as possible.
These outages will likely impact TDPUD’s entire customer base for periods ranging from one day to a few days. Unfortunately, TDPUD does not have control over the timing and duration of the outages. It will be based on NV Energy’s determination of the length of the extreme wildfire danger period, plus the time required for both NV Energy and TDPUD to visually inspect 100 percent of the electric system to safely restore power.
TDPUD Outage Centers
TDPUD recently entered into an agreement with Truckee-Donner Recreation and Park District to utilize the Community Arts Center at 10046 Church St. as an outage center during an extended wildfire safety or other power outage. TDPUD’s main focus during a wildfire safety outage needs to be on monitoring and protecting our infrastructure, and then quickly mobilizing to inspect our entire system and safely re-energize when the fire danger passes. Public utilities are not required to provide services to the community during wildfire outages, however TDPUD wants to help our community in a small way when these extended outages occur. This outage center will have a very limited purpose: it will provide people with a location to charge devices and receive informational updates from TDPUD. TDPUD and TDRPD have agreed to deploy the outage center as soon as possible in the event of a NV Energy PSOM or other outage, and will staff the outage center from 8 a.m. to 8 p.m. daily until the outage resolves. No other services will be offered from TDPUD or TDRPD at this location. Should additional public services be necessary, TDPUD will contact town and/or county agencies for the unmet needs as appropriate.
See “Power Outages During Wildfire Season” below for more information, and CLICK HERE for TDPUD's PSOM page.