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System improvements

Line crews replacing pole

The PUD has kept the lights on and power flowing for our customers for more than 70 years. Reliability is a core value and the work we do every day ensures we deliver that consistent power.

Over the next several years, the PUD will carry out electrical system improvements and preventative maintenance projects to help ensure high levels of reliability to meet the needs of a growing customer base.

Map of PUD Service territory with substations in place

Substation projects

The PUD has more than 100 substations and switching stations across our service area. These substations are critical in delivering power to our customers. As our customer base grows, we must update and upgrade these substations to continue to deliver reliable service. Here’s a look at current substation projects:

  • To increase reliability on Camano Island, the PUD plans to rebuild the North Camano Substation (estimated completion 2025).
  • To increase reliability and support a future battery energy storage system installation, the PUD is building the new Crosswind Substation on its North County Campus in Smokey Point.
  • To better serve growing power demands in north Snohomish County, the PUD is upgrading its Lake Goodwin Substation (completion 2025) and its Stimson Crossing Switching Station (completion 2026).
  • To increase capacity in Marysville, the PUD is currently constructing the new Jennings Park Substation (completion 2024) that will replace its Central Marysville Substation, which will be demolished in 2025.
  • To provide reserve capacity in case of a BPA transformer failure and add switching capability, the PUD is building the new Getchell Switching Station (completion 2026) in east Marysville near Highway 9. The PUD is designing this station to allow room for up to two BPA points of delivery for future growth in the north county area.
  • To better serve the eastern portion of its service area, the PUD plans to upgrade its Clearview Substation (completion 2024) and its Thrashers Corner Substation (completion 2027).
  • To better serve the southern portion of its service area, the PUD plans to upgrade its Brier Substation (completion 2025), and Picnic Point Substation (completion 2026).

Eagle Creek East Arlington Substation

Line projects

  • The PUD will replace 19 transmission poles that have been damaged by woodpeckers in the Bunk Foss area. Road closures will be necessary to complete this work safely. Detours will be available and local and emergency vehicle access will be provided. The work will shut down 103rd Ave. SE from Lake Stevens Rd. to 32nd St. SE from June 24 through July 8. The PUD will then shut down 103rd Ave. SE from 32nd St. SE to Bunk Foss Rd. from July 8 to Aug. 18.
  • To provide redundancy power to Camano Island, the PUD built a new Stanwood-to-Camano 115-kV line (completed 2023). The rebuild of the existing 115-kV line to Camano Island will begin summer 2024.
  • To better serve the growing power demands in northern portion of its service area, the PUD is rebuilding its Stimson-to-Stanwood 115-kV line (completion 2025) and designing and building a new Stimson-to-Sills Corner 115-kV line (completion 2026).
  • The PUD will build a portion of the new 115-kV line to feed the new Jennings Park substation in Marysville (completion 2024).  In addition, the PUD will re-conductor about 0.75 mile of 115-kV line near the Jennings Park substation.
  • The PUD is working on easements and finalizing the design for the second phase of the 115-kV line to the Sky Valley Substation (completion 2025).
  • The PUD is planning to build a double circuit 115-kV line to the new Crosswind Substation in Arlington. This project is to support a new battery energy storage system project (completion 2025).
  • To improve reliability, the PUD will rebuild the 115-kV line connecting its Perrinville and Maplewood substations (completion 2026).
  • To support load growth and improve reliability in Everett, Marysville and north Snohomish County, the PUD is in the planning stages of building a new 115-kV line to the new Getchell substation (completion 2027) and a new 115-kV line from the Everett to Delta substations (completion 2027).
  • The PUD will build 115-kV lines to the new Maltby and Paradise substations (completion 2028).
  • To maintain reliable service to Hat Island, the PUD is planning to replace the Hat Island submarine cable (completion 2024).

Pole and distribution maintenance

Every year, the PUD:

  • Annually replaces about 500 aging poles
  • Assesses and treats more than 25,000 poles
  • Replaces 20 to 30 miles of aging underground cables throughout the utility’s service area

View the 2022 PUD Reliability Report

View the 2021 PUD Reliability Report

View the 2020 PUD Reliability Report