Monumental

Clean energy. Maximum impact. Total control

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our services

We design, install, and maintain systems that crush fossil-fuel dependence

We engineer a solar system around your actual energy use, property, and goals, with no cookie-cutter templates. That includes a review of your utility bills, a site assessment, system sizing, and a projected savings model, so you know what you're getting before you commit.
Our certified installers handle every step — from mounting to wiring to final inspection so your system is built right the first time. We work efficiently and respectfully, keeping your home clean and your schedule on track, with most residential installs completed in a single day.
Every year, we check that your system is producing what it should. We compare real output to projections, inspect the equipment, and send you a plain-language report with any recommended fixes.

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wHAT’S INCLUDED

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Go solar with [$0 down]
Skip the big upfront bill. Start producing your own clean power and pay a predictable monthly amount, with [rates locked in for the length of your agreement].

[25]-year equipment guarantee
Premium solar panels [and battery storage] backed by a [25]-year guarantee, so you're covered long after install day.

Maintenance and repairs, handled
We take care of upkeep and repairs for [25 years]. If something needs attention, it's on us, not you.

One team, start to finish
The same crew designs, installs, and looks after your system, so you always know who to call. [Trust line, pick one: "Backed by [X] years of solar experience." / "[X]+ systems installed." / "Fully licensed and insured."]

DC GETS FREE SOLAR!!

Monumental is bringing DC residents a 100% free solar program, backed by investor partnerships. No hidden fees, no catch — just clean, affordable energy powered by our commitment to a greener Washington, DC. You get to enjoy lower monthly electricity bills while our partners handle the available government incentives.