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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.

2023 - 2026 Construction Projects

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 in Stanwood and Camano Island, the PUD has built a new double bank substation and will be rebuilding another. The new Twin City Substation (completed 2022) replaced the old North Stanwood Substation, which will be decommissioned this year. The PUD also plans to rebuild the North Camano Substation (estimated completion 2025).
  • With the growing development in the Arlington/Smokey Point area, increased large commercial loads are becoming a reality. The PUD is upgrading (adding a second bank) its Edgecomb Substation (completion 2023).
  • To better serve the growing power demands in north Snohomish County, the PUD is upgrading its Stimson Crossing Switching Station (completion 2025). In addition, the PUD will be constructing a new Jennings Park Substation (completion 2024) that will replace Central Marysville substation.
  • 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 design and build the new Sky Valley Substation (completion 2023) and upgrade its Clearview Substation (completion 2024).
  • To better serve the Mukilteo service area, the PUD is currently upgrading its Harbour Pointe Substation by adding a second bank (completion 2023).
  • To better serve the southern portion of its service area, the PUD plans to upgrade its Brier Substation (completion 2025), its Thrashers Corner Substation (completion 2025) and its Westgate Substation (completion 2025). In addition, we will be upgrading Picnic Point Substation (completion 2025).

Eagle Creek East Arlington Substation

Line projects

  • 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