Rooftop solar design · made for India
Rooftop solar,
engineered in 3D.
Trace the roof on aerial imagery, fill it with modules, string it and send a proposal your customer can walk around on their phone. The single-line diagram, the bill of materials and the PM Surya Ghar subsidy are already done.
No card needed · runs in the browser

- Sample design
- 6.05 kWp · 11 modules
- Generation
- 8,877 kWh a year
- Specific yield
- 1,467 kWh/kWp
- Solar access
- 93.5 % of the year's sun
The live model above is a sample design in Bengaluru, in the real 3D studio; the figures are as SolarStudio calculated them. Neutral ground, not the real neighbourhood.
66 DISCOMs · 36 states & UTs
Why SolarStudio
Quote from the office. Install without surprises.

No ladder for the first quote
Trace the roof, the parapet, the tanks and the trees on the aerial view, and quote before anyone climbs up.
Sales can drive it
Ten guided steps with one-click fill and auto-stringing. Engineers review the design instead of redrawing it.
Numbers an engineer will sign
String voltages on the coldest morning, fuses, isolators and cables sized, and a single-line diagram drawn from the design.
Subsidy and payback, worked out
PM Surya Ghar subsidy, the DISCOM's slabs, GST, loan EMI, payback and 25 years of savings on every design.
Proposals that get opened
A branded PDF and a link your customer opens and spins on their phone, in English, Hindi or Bengali, with WhatsApp back to you.
An engine you can check
Hourly typical-year weather, ray-traced shade per string and a loss waterfall — matched to the pvlib reference within 0.2 %.
The workflow
Address to proposal, in ten steps.
The same ten steps as the app, in the same order. Every screen below is the app itself, on a sample design.










01Find the roof
Search the address, paste coordinates or a Google Maps link, and drop the pin on the roof. The state, DISCOM and tariff fill in from where it is, and the site's own sunshine loads.
- Address, coordinates or Maps link
- State, DISCOM and tariff
- Bill or daily units
The handover
Every design leaves with its paperwork.
Drawings for the site team and the DISCOM file, and a proposal for the customer, generated from the same design. Nothing is redrawn by hand.

The engineer's set
Drawings to scale
- PV array layout
- to scale, SVG · PNG · PDF
- String route plan
- string by string
- Single-line diagram
- A2 · fuses, isolators, cables
- Bill of materials
- CSV or print · every clamp and cable

The sales pack
A proposal they keep
- Shadow studies
- from the 3D model
- Energy
- month by month, with P90
- Savings and payback
- subsidy included
- Customer proposal
- PDF with a QR to the 3D view


For your customer
A proposal they can walk around.
Every proposal comes with its own page: their name, their roof and their numbers, made for the phone they will open it on.
- Opens on any phoneA link, not an app. No login, no download.
- Their own roof, in 3DThey spin the model and move the sun through the day and the year.
- Savings they understandRupees a month, subsidy included, payback in years.
- One tap back to youWhatsApp and call buttons with your number, and the PDF to keep.
- You see it landThe proposal shows as viewed the moment they open it, and accepted when they sign.
Made for India
Knows the paperwork before you do.
PM Surya Ghar: Muft Bijli Yojana
The subsidy, on every residential design
₹30k per kW up to 2 kW, ₹18k for the third kW, capped at ₹78k — and 10 % more in special-category states (the lighter bars). DCR modules only.
Every state, every DISCOM
Pick the DISCOM, get the slabs
36
states and union territories
66
DISCOMs to choose from
The DISCOM's slab tariff, export rate and rooftop limit travel with the design, and the app warns you when the array is bigger than the sanctioned load allows.
Rooftops as they are
RCC roofs, tanks and stair cabins
Flat roofs with parapets, water tanks on stands and stair cabins are the everyday case. Shed, gable and hip roofs are drawn the same way.
The monsoon, modelled
Generation month by month
Hourly weather for the exact site, so the July dip is in the proposal before your customer asks about it. A typical Indian profile:
Pricing
Priced in rupees, for how many proposals you send
Pay by UPI, card or net banking through Razorpay. A GST invoice with every payment.
Free
Try the full 3D designer on real roofs.
Free forever
- 3 proposals a month
- Full 3D design & shading
- PM Surya Ghar subsidy maths
- SolarStudio watermark on proposals
- 1 seat
Starter
For PM Surya Ghar vendors quoting every week.
+ GST · or ₹14,990/yr (2 months free)
- 30 proposals a month
- Your logo & colours, no watermark
- WhatsApp-ready proposal links
- English, Hindi & Bengali proposals
- 1,000 credits every month
- 1 seat
Pro
For installer teams selling on-site and online.
+ GST · or ₹39,990/yr (2 months free)
- Unlimited proposals
- 3 seats with roles
- Embed widget for your website
- API & webhooks (PVERP-ready)
- 3,000 credits every month
- Priority support
Business
C&I EPCs and multi-branch installers.
Volume pricing for multi-branch teams
- Everything in Pro
- Seats for every branch
- Custom proposal templates
- Volume credits
- Onboarding & SLA
Need more credits for lookups? Top-up packs from ₹499 — any plan.
Works with PVERP
Design here. Run your whole solar business in PVERP.
SolarStudio is made by the team behind PVERP — the operating system for solar businesses. We stay focused on design and proposals; PVERP runs everything after the customer says yes.
Design & proposal
3D design, shading, subsidy, branded proposal, customer accepts.
Lead → project
The accepted proposal lands in PVERP's CRM with its system size, BOM and price.
Survey, BOM & billing
Site survey, BOM approval, procurement, GST billing and Razorpay collections.
PM Surya Ghar & DISCOM
Portal applications, net-metering paperwork and subsidy tracking to the finish.
Questions
Asked by installers, answered plainly
No — it's a design and sales tool built on open terrain, building and weather data, accurate enough to quote and design against. Confirm the real roof, structure and electricals before installation.

Start today
Your next proposal, in 3D.
Set up your company once, with your logo, terms and prices. Every design after that is a proposal your customer will actually open. Free plan, no card.