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March Windstorm Event

We understand how difficult it is to be without power, and we appreciate your patience. Crews continued to make steady progress overnight. Small pockets of customers remain without power in King County, Greenwater, and Skykomish. The plan for today is to continue to assess damage in difficult access areas and restore power as quickly and safely as possible.

Below are updates and current estimated restoration times for hard-hit areas:

  • In Skykomish, crews continue to work on the electric system that feeds the town from the west. An additional helicopter patrol is scheduled for later in the morning. We expect to have power restored to our Skykomish customers by today, March 15 at 8 p.m.
  • In King County, crews continue to repair damage to the system throughout the morning. We still expect most customers will have their power restored by today, March 15 at 8 p.m.
  • In Greenwater, Highway 410 remains closed and the combination of deep snow and many fallen trees is preventing crews and equipment from accessing damaged electric equipment. Based on current conditions, restoration efforts could go into Monday. Estimated times of restoration will be updated in the PSE outage map as we are able to reassess for any improvement to travel and access during today's early daylight.

Estimated restoration times by region are available at pse.com/alerts. As crews are assigned to a repair job, the specific time for that outage will be added to the outage map.

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Safety first. Never touch or go within 35 feet of downed power lines because they might be energized. Call PSE at 1-888-225-5773 or 911 to report problems.

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Streamlining distributed generation interconnections for a clean energy future

Hosting Capacity Analysis (HCA) is a type of planning study that estimates the amount of generation that can be added to the electric distribution system at a given time and location under existing grid conditions. This is an important tool for PSE’s strategic goals to incorporate new technologies such as distributed energy resources (DERs) onto the distribution system. A distributed energy resource can be a generation asset such as solar PV, or it can be an energy storage unit such as a battery. Hosting capacity helps identify where DERs can be placed on PSE’s distribution system to create a cleaner modern grid.

How it works

Adding new DERs to the electric system impacts the operating conditions of the grid. As part of the generation interconnection process, a power flow study is completed to ensure that the reliability and capacity needs of the system are met after the addition of a DER. PSE is utilizing distribution system modeling software to automate the Hosting Capacity Analysis process in order to streamline these interconnection studies and improve the customer experience.

How we’re deploying it

PSE created a Hosting Capacity Heat map to provide visibility and transparency into the generation capabilities of a given area. The Hosting Capacity Map is available to customers and developers looking to add a new DER in PSE’s service territory. This map provides value to DER applicants because it helps avoid loss of time and application fees for planned projects that turn out infeasible. Furthermore, PSE is using the hosting capacity map to proactively analyze and enhance the distribution system to enable optimal DER penetration. Please email solarstorageRFPmailbox@pse.com to receive a link to access the Hosting Capacity Heat map.



Hosting Capacity Heat Map

Hosting Capacity Map

Check out the available DER capacity in your area by emailing to receive a link to access the Hosting Capacity Heat map.

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Frequently asked question

RFP Process

Learn about adding DER's to PSE's system

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