Denver is having a moment. From the reimagined warehouses of RiNo and the adaptive reuse projects lining Larimer Street, to the lovingly restored Victorian storefronts in Capitol Hill and the century-old commercial buildings getting new life in LoDo, historic renovation is booming across the Front Range. And with that boom comes one of the most complex, rewarding, and frequently underestimated challenges in the construction world: bringing old buildings up to modern electrical standards.

If you’re a developer, property owner, or facility manager working on a historic renovation in the Denver area, you already know that these projects are anything but straightforward. The bones of these buildings are often spectacular. The wiring? That’s another story.

What You’re Actually Dealing With

Historic buildings (especially those built before the 1950s) were designed for a completely different era of electrical demand. A century ago, a building might have needed power for basic lighting and a handful of outlets. Today, that same space might need to support modern HVAC systems, commercial kitchen equipment, EV charging stations, high-speed data infrastructure, and sophisticated lighting controls.

The gap between what’s there and what’s needed is often significant. And what’s already in the walls can range from outdated to genuinely dangerous. Here’s what commercial electrical contractors typically encounter in historic renovation work:

Knob-and-tube and Aluminum Wiring 

Many buildings constructed before the 1940s were wired with knob-and-tube systems. This early method was functional in its day, but it no longer meets modern safety standards and is incompatible with today’s electrical loads. Aluminum wiring, common in buildings from the 1960s and 70s, carries its own set of risks including connection failures and fire hazards if not properly addressed.

Undersized Panels and Service 

The electrical service coming into a historic building was sized for the demands of its era. A 60-amp or 100-amp service that was perfectly adequate for a 1920s office building won’t come close to supporting a modern mixed-use renovation. Service upgrades are almost always part of the equation, and coordinating that work with Xcel Energy requires planning and lead time.

Conduit and Routing Constraints 

In a new construction project, you run wire where it makes sense. In a historic building, you’re working around original structural elements, masonry walls, plaster ceilings, and sometimes landmark-protected architectural details that simply cannot be disturbed. Getting power where it needs to go requires creative problem-solving and a contractor who’s done this before.

Code Compliance Without Compromising Historic Integrity

This is the tension at the heart of every historic renovation. The National Electrical Code doesn’t have a “historic exception,” but many projects also fall under the Secretary of the Interior’s Standards for Rehabilitation, local landmark preservation guidelines, or Colorado State Historical Fund requirements. Navigating all of that while keeping your project on schedule takes experience.

Denver-Specific Considerations

Colorado’s historic preservation landscape adds additional layers to the process. Projects involving properties listed on the National Register of Historic Places or designated as Denver landmarks (think properties in Curtis Park, the Baker neighborhood, or along Brighton Boulevard) often require coordination with Denver Community Planning and Development. They may also need approval from the Denver Landmark Preservation Commission before electrical work affecting visible elements can proceed.

State and federal historic tax credits are frequently in play on these projects as well, which means the scope of work and how it’s documented matters not just for construction, but also for compliance and financial reporting. Working with an electrical contractor who understands that context makes a real difference.

Getting It Right From the Start

The biggest mistake we see on historic renovation projects is treating the electrical scope as an afterthought. By the time the architects and preservationists have finalized the design, there are often significant constraints on where conduit can run, where panels can be located, and how new systems can be integrated. Getting your electrical contractor involved early opens up options that simply aren’t available once walls are closed up and decisions are locked in.

At MV Power Solutions, we’ve worked on complex commercial renovation projects across the Denver metro area, and we understand both the technical demands and the regulatory landscape that comes with historic work. We bring the kind of hands-on expertise that helps these projects move forward without costly surprises.

If you’re planning a historic renovation and want to get the electrical right from day one, let’s talk. Reach out to MV Power Solutions at 720-287-2305 and let’s walk through what your project needs.