Experience the next generation of solar lighting. Risk free.
Cities, utilities, and special districts can test off-grid solar lighting in real conditions, at no upfront cost. The Letter of Interest is your first step, and it's short by design.
Off-grid park lighting, working after dark
See how Leadsun lights public spaces with no trenching and no grid connection. Real installations, real performance.
View Leadsun case studies ↗How the process works
Six clear steps from raising your hand to installation.
You only commit when you're ready.
Letter of Interest
Submit the short form.
Fit Conversation
Talk through your site.
Short Application
Submit a brief RFI.
Sites Selected
Selections announced.
Kickoff Calls
Planning begins.
Installation
Lights go in.
Submit your Letter of Interest
You're raising your hand, not committing.
We'll follow up to see whether a no-cost evaluation is a good fit.
It takes about a minute
Tell us who you are and where you're thinking.
The EvoLumen team follows up to see whether it's a fit.
No cost · No obligation · No commitment of budget
We reach out
A short conversation about your site and what you're trying to solve.
We assess fit
If it isn't right, we say so. There's no pressure at any point.
You decide
Nothing moves forward until you choose to move it forward.
What is a Letter of Interest?
It's a simple, no-obligation way to raise your hand. You're not applying, committing budget, or signing anything. Once we receive it, the EvoLumen team reaches out to learn about your site and see whether a no-cost evaluation makes sense for your community.
Letter of Interest
EvoLumen™ Solar Lighting Program
Real deployments, real performance
EvoLumen runs on Leadsun systems already installed across cities, parks, and corridors. A few examples below, each links to the full story.
Solar street lights brighten Cordova Meadows
A hybrid solution on standard Caltrans poles improved safety and visibility, with no grid-connection cost.
Read the case study ↗Safer parks, lit dusk to dawn
Pathways and parking areas brought up to safe lighting levels so the public can use the space at night.
Read the case study ↗Full-brightness lighting, zero disruption
Installed without disrupting an operating parking lot, giving patrons safe passage from dusk to dawn.
Read the case study ↗Lighting a shared pathway, end to end
Off-grid path lighting extended safe usage hours for walkers and commuters, with no trenching required.
Read the case study ↗Solar lighting for outdoor security
Off-grid lighting brought consistent night coverage to open areas, deterring activity without new infrastructure.
Read the case study ↗Put your city in the running for the 2026 program.
The Letter of Interest is short, and you're only raising your hand. We'll follow up to see whether a no-cost evaluation is a good fit.
Submit your Letter of Interest →