PV + BESS design
System design, sales proposals, shading and site assessment reports, plus production and financial analysis tailored to each client.
Residential · Commercial · Utility
White-label solar design partner
Permit-ready solar design, done for you.
The behind-the-scenes team for solar installers, EPCs and SMBs across North America: PV & BESS design, stamped plan sets, interconnection through PTO, lead generation and sales.
10+ yrssolar design & project management
2,000+projects, prelim design to PTO
All 50US states covered for stamping
4.5★+average client rating
Certified with
Enphase EnergySolarEdgeNABCEPPanasonic EverVoltsonnenCisco
What we do
Everything between the site survey and permission to operate
We handle the engineering and paperwork in the background, so your team can focus on closing deals and installing.
Permit plan sets & stamping
Complete, code-compliant permit packages with single-line diagrams (SLDs), plus PE stamping and structural reports in all US states.
Plan sets · SLDs · StructuralInterconnection & AHJ permits
We secure local AHJ permits before installation and manage utility interconnection applications all the way to Permission to Operate (PTO).
AHJ · Utility · PTOSolar lead generation
Qualified homeowner and business leads through social media marketing and targeted email campaigns.
Social · EmailDriving solar sales
We streamline your sales process and do the actual selling for you, mostly on EnergySage: initial proposals, revised quotes, answering questions and regular follow-ups until the deal is secured, plus after-sales troubleshooting.
EnergySage · Proposals · Follow-upsCustomer & supplier management
CRM, supplier and installer relationship management, with automation and AI that keep suppliers, sales and installers working as one.
CRM · SRM · AutomationAlso available: feasibility reports, business planning and financial analysis. We add new electrical and renewable-energy services every year.
Our design work
Designs and plan sets your AHJ and utility approve
Built in Aurora Solar, HelioScope, OpenSolar and other industry tools, then packaged as clean, code-compliant deliverables.
PV system layout
Module placement, setbacks, stringing and annual production modelling.
Shade analysis
Solar access by roof face, sun-path studies and obstruction reports.
Single-line diagrams
Electrical SLDs for PV and battery storage, ready for PE stamping.
Permit plan sets
Complete, stamped packages: site plan, attachments, SLD, labels and datasheets.
Sample visuals. Real project screenshots from kWh Systems' Aurora and HelioScope work will go here.
How it works
From address to PTO in four simple steps
One partner, one point of contact, every step tracked.
Send the project
Share the site address, utility bill and any photos or survey notes.
We design
Layout, production, proposal and a complete plan set, ready for your review.
Stamp & submit
PE stamping, AHJ permit submission and the utility interconnection application.
Track to PTO
We follow up with the AHJ and the utility until you have Permission to Operate.
Why kWh Systems
Engineers who have done this thousands of times
A decade of B2B solar work for solar firms, PV installers and SMBs across North America.
Aurora SolarHelioScopeSolarGrafOpenSolarEnergy Toolbase
- 10+ years of solar design, project management and consultancy
- Residential, commercial and utility-scale PV design experience
- A back-end partner, not an installer: we design, permit and sell for you, and never compete with your installs
- 2,000+ projects managed end-to-end across the USA, prelim design to PTO
- 4.5+ star ratings from clients on every platform we work on
- Certified with Enphase, SolarEdge, NABCEP, Panasonic EverVolt, sonnen and Cisco
Who we work with
Your back-office engineering team
We work behind the scenes for the companies that sell and install solar, with extra engineering capacity and no added headcount.
Installers
Solar installers
Outsource design and permitting, and grow without hiring an in-house engineering team.
EPCs
EPCs & solar firms
Extra capacity for busy seasons, larger C&I and utility projects, and BESS add-ons.
SMBs
Small & medium businesses
Feasibility studies, system design and financial analysis, so they can choose an installer with confidence.
Have a project waiting for design or permits?
Send the address and we'll get back to you within 24 hours.
Start a project
Let's power your next project
Tell us what you need. We typically reply within 24 hours, Monday to Friday.
Helpful to include
The more we have, the faster we can quote.
- Site address and project type
- Recent utility bill or annual usage
- Roof or site photos, survey notes
- Preferred equipment, if any
Prefer to talk it through?
Book a call with our team at a time that suits you. Pick a slot in seconds.