How dry utility coordination in Portland actually works — PGE vs. Pacific Power territories, BDS and PBOT routing, Lumen and Comcast, and why...

Portland sits on a seam between Portland General Electric and Pacific Power territory, with Lumen, Comcast, and NW Natural all wanting the same trench. The dry utility sequence here depends on which electric provider serves your parcel and which street your trench is coming out of.

The Coordination Timeline Nobody Warns You About

Dry utility coordination is the part of site development that catches the most experienced developers off guard. Electrical, telecom, and gas services each have their own design process, their own review queue, and their own construction crew — and none of them talk to each other unless someone forces the conversation. That someone is usually the civil engineer.

In Portland, the process starts with a service application to PGE or Pacific Power (depending on your territory) and ends with energization. In between, there's a load study, a design package, a utility design review, a dig-in ticket, a conduit inspection, and a meter set. Each step has a queue. The total timeline from application to energized service is typically 8-14 months for a standard multifamily or commercial project. Larger industrial loads can take 18 months or more if a capacity study triggers a line extension or transformer upgrade.

Joint Trench Design Requirements

The joint trench is where electrical, telecom, and gas utilities share a common trench section, typically in the public right-of-way or a utility easement. PGE and Pacific Power each have their own design standards governing trench dimensions, conduit spacing, separation requirements between high-voltage and low-voltage conductors, and the minimum depth of cover over each utility. Portland Bureau of Transportation (PBOT) also reviews utility trenching in the right-of-way.

The most common design error is insufficient separation between the power conduits and the communication conduits. The electric utility requires 12 inches of vertical separation in a joint trench. If the trench profile doesn't accommodate this -- often because of a conflicting storm drain or water main crossing at the same depth -- the joint trench design fails review and the entire profile has to be reworked.

Transformer and Switchgear Pad Placement

Pad-mounted transformers need specific clearances: 10 feet in front of the doors (the "working side"), 3 feet on the sides, and 3 feet in the rear. These clearances can't overlap with parking stalls, accessible paths, or landscape areas with permanent irrigation. The transformer pad also needs a level concrete pad at a specific elevation — typically 6 inches above finished grade — with bollard protection if it's adjacent to a drive aisle.

Switchgear pads are even more demanding. Commercial and industrial projects with service above 800 amps typically require a switchgear cabinet, which can be 8–12 feet long and needs 10-foot clear working space on the access side. Finding a location that satisfies the clearance requirements, provides vehicular access for the electric utility's service truck, and doesn't conflict with the architectural site plan is often one of the most iterative parts of the design process.

The Will-Serve Letter

Before your project can be permitted, each utility provider must issue a "will-serve" letter confirming that they have capacity to serve the project and will extend service to the site. This sounds administrative, but it can be substantive: if the local electrical grid is at capacity, PGE or Pacific Power may condition the will-serve letter on a system upgrade that the developer is responsible for funding. We've seen upgrade costs range from $50,000 for a service extension to $2 million for a new circuit from the substation.

The Bottom Line

Every project has its own constraints — site geometry, soil conditions, agency jurisdiction, schedule pressure. What doesn't change is the physics: water flows downhill, utilities need clearance, and code requirements aren't negotiable. The projects that go smoothly are the ones where the civil engineer is involved early enough to shape the site plan around these realities rather than retrofitting solutions after the architecture is locked.

At Calichi Design Group, we've built our practice around getting these details right the first time. Our team has permitted projects in dozens of jurisdictions across the West Coast and Pacific, and we know which agencies want what, which reviewers flag what, and which shortcuts actually cost more time than they save.

If you're starting a project and want to avoid the most common civil engineering pitfalls, reach out for a conversation. We'll give you an honest assessment of what your site needs and a fixed-fee proposal — usually within a week.