Panel Add-Ons & System Expansions

Bought an EV? Added a pool? Family grew? We add panels to your existing array so your production grows with your usage, with design, permits, and utility paperwork all handled for you.

4-Panel Expansion

$3,580 installed

Roughly 1.7 kW of added capacity. The most common add-on for a single new EV or hot tub.

  • Site survey and production design
  • Permit filing included
  • Utility interconnection paperwork included
  • Commissioning and monitoring update
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Best value

6-Panel Expansion

$5,370 installed

Roughly 2.6 kW of added capacity. Covers an EV plus growing household usage.

  • Everything in the 4-panel package
  • String or microinverter integration with your existing setup
  • Production verification after commissioning
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8-Panel Expansion

$7,160 installed

Roughly 3.4 kW of added capacity. For pools, workshops, and all-electric homes.

  • Everything in the 6-panel package
  • Main panel load review included
  • Optional battery-ready wiring
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Pricing is $895 per panel installed with a 4-panel minimum; any panel count above four is priced at the same fixed rate (for example, 10 panels: $8,950). Panels are current-generation 410 W to 440 W modules with 25-year manufacturer warranties. If your existing inverter lacks capacity for the expansion, the added equipment is quoted from the fixed schedule on the inverter page before you commit. All prices in USD.

What is included in every expansion

  • Engineering design matched to your existing array and roof
  • City or county permit filing and fees
  • Utility interconnection paperwork, filed for you
  • Panels, racking, wiring, and installation labor
  • Commissioning, production verification, and monitoring update
  • 12-month workmanship warranty plus 25-year panel manufacturer warranty

Timeline

Most expansions are completed within 2 to 3 weeks of your approval: design in days, permit turnaround depending on your city, then a one-day installation in most cases.

We verify the expanded system's production against design output before we close the job, and your monitoring app is updated to show the new panels.

Flexible payment options are available; ask when you book.

Ready to grow your system?

Book a site survey and get your expansion priced in writing.