Ready to invest in solar?

Get support and guidance from an independent solar energy consultant--

 your trusted partner in solar development projects from start to finish.

Hi, I'm John Weaver, your commercial solar energy consultant. When you work with me, you get 15 years of  financial, engineering, and construction experience to guide you through your project-- from concept, to paperwork, to digging the dirt and throwing that final switch.

Call me for a 15-minute consultation, and we'll determine if we are the right fit. You can also contact me here.

What I'll do for your solar project:

Provide a financial analysis, including electricity production, revenue stream projections, tax consequences, and operations and maintenance costs.

Deliver a complete cost breakdown of components, labor, and services. This includes: comparisons with national data and profit margins.

Design the layout of a complete solar system, defining a bill of materials.

Handle the paperwork that drives federal incentives, the local power company, permits and state level requirements.

Act as your Project Developer and guide you through professional scrutiny – with electrical and structural engineers, CPAs and bankers, permitting and hiring contractors.

What customers say:

Everyone knows the environmental benefits of going green, but John taught us the financial benefits of a commercial solar installation. We’re combining solar power, batteries, and car chargers. It’s a complex project, with multiple moving parts. John said his advice was more peace of mind than anything else, and in the end he was right.

Yorba Linda,
California business owner, System – 57kW Solar plus 20/40kWh Energy Storage

I feel like the decision we made – reaching out to John after reading about him online – was the right decision. We’re expecting to earn six figures in the first year, and for twenty years from our roof, because of solar power.

Seamus Woods
Business Owner, Secure Storage, Brewster

If you’re considering solar power I highly recommend consulting with John Weaver. His knowledge and expertise are invaluable.

Kelly Mac
Interior Plantscape Designer, Kelly Mac Interiorscapes

Going green CAN save green, but it’s a minefield that we need people like John to help us navigate. I can’t thank him enough for thinking this through with me.

James Hammons Jr.
home owner, Texas

John’s deep Solar Market knowledge, developer insight, and most importantly his cost-saving and cost-effective consulting, has helped us tremendously in framing our understanding of a company we are charged with vetting for Investment.  I highly recommend commercial companies to engage John as an intelligent and cost-effective protective-measure when vetting commercial and utility-scale solar proposals and projects. 

Matthew Handley
Principal Analyst , Handley & Co.

Commercial Solar Guy News:

Solar pricing decreases slowed in 2019, volume increased, modules more efficient, changes abound, 1 of 2

By John Fitzgerald Weaver | January 4, 2021

Berkeley Lab has released Distributed Solar 2020 Data Update, which is a lighter version of their biennial Tracking the Sun report. The document has collected actual solar data – including pricing – of 1.9 million systems installed through 2019, covering 82% of all distributed PV systems installed nationally. The group’s utility scale report is covered here.…

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Record solar cell efficiency, battery payback in a year, solar+telescopes, more! – Podcast #24

By John Fitzgerald Weaver | December 21, 2020

The Clean Power Hour – a weekly clean energy headline review and commentary podcast run by Tim Montague, and yours truly – the CommercialSolarGuy – John Fitzgerald Weaver. First of course, here’s the podcast – Episode 24. Next, the show started with Cesar Barboa of Nulife Power Services talking about repowering and decommissioning solar power systems, and what to do with…

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Tesla Powerhub & Megapacks – business continuity and resilience via solar power plus energy storage microgrids, #2

By John Fitzgerald Weaver | December 18, 2020

In the spring of 2020, a California business owner called into CommercialSolarGuy and asked for support deploying a solar photovoltaic plus energy storage (PVS) microgrid at his multiple building manufacturing campus in Southern California. His business had years ago installed a diesel generator, and extra wires between the various structures to increase the site’s general…

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Gigawatts of tandem solar cells, Solar freaking roadways, SeeThru Solar, more! – Podcast #23

By John Fitzgerald Weaver | December 11, 2020

The Clean Power Hour – a weekly clean energy headline review and commentary podcast run by Tim Montague, and yours truly – the CommercialSolarGuy – John Fitzgerald Weaver. First of course, here’s the podcast – Episode 23. Now, to the news! SeeThru Solar First off, CSG Developers LLC – technically the owner of CommercialSolarGuy (and really just a responsible sounding company…

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Want to know more?

Contact me today to set up a 15-minute call. I'll do a preliminary design and rough pricing to determine if we are a good fit.

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