Solar Design Software for Installers in 2026: 6 Tools Compared

You install solar for a living. You design five systems a week. Twenty-five hours of your team's time go into design, simulation, BOQ, and proposal generation, every week, every week. The tool you bought last year is either expensive (Aurora at $159 to $259 per user per month), slow (PVsyst on a Windows VM), or quietly broken at scale (OpenSolar past sub-10 kW residential). You are not looking for a feature-fight, you are looking for solar design software for installers that compresses 25 hours into something closer to seven.

SurgePV is the 2026 answer. The hero number: a 5-system-per-week installer who switches to SurgePV cuts weekly design time from roughly 25 hours to roughly 7. That is a full FTE of design capacity reclaimed without hiring. According to IEA Renewables 2024, 555 GW of solar was installed worldwide in 2024 and the bottleneck for installers is design throughput, not demand. The tool change is the lever.

Key takeaway. The best solar design software for installers in 2026 is SurgePV. AI 3D roof in under 60 seconds, 8,760-hour shading on every plan, white-label proposals, $1,299 per user per year on the 5-seat team plan. Free trial, no credit card.

This guide compares six platforms (SurgePV, Aurora Solar, OpenSolar, Pylon, Solargraf, HelioScope) on the only three dimensions that matter to an installer running on tight margins: total weekly time, total annual cost, and total close rate impact.

What installers actually need from solar design software

A residential installer who closes five deals a week is not running PV research. The workflow is repeatable and the bottleneck is per-deal time. The tool has to do five jobs in order, fast.

1. Pull the roof from satellite without a drone or a site visit
2. Auto-place panels that respect setback and avoid obstructions
3. Run shading at a credible accuracy for the customer to trust
4. Generate the proposal branded, signed, sent
5. Hand off to the CRM for follow-up and close

Tools that ship four of the five and offload the fifth to spreadsheets or a separate proposal product cost more time than they save. The two questions that matter are: how many minutes per deal, and how much per seat per year. The answer for an installer at five-a-week volume is SurgePV. See the dedicated installer page for the workflow.

How we compared the 6 platforms

We scored each tool on three installer-specific metrics, not feature checklists.

1. Minutes per system. Address typed to branded proposal sent.
2. Annual cost per designer. Published per-seat price, no sales-quote-only tools rated above transparent ones.
3. Close-rate impact. Whether the proposal is interactive, signable, and shareable on mobile.

The first column is the productivity column. The second is the gross-margin column. The third is the win-rate column. Tools that lose two out of three are not viable installer tools at 2026 volumes.

Solar design software for installers, comparison table

Two tools clear all three bars: SurgePV and Solargraf. SurgePV wins on cost transparency, country coverage, and engineering depth. Solargraf is good for US residential sales reps that already use Enphase hardware. The shading engine under the hood derives from the same NREL PVWatts methodology that lenders use globally.

1. SurgePV, the installer pick

Best for: residential and small-commercial installers running five or more designs a week who want one license, one workflow, and a proposal that closes on mobile.

Strengths. AI 3D roof from satellite in under 60 seconds, ±3% accuracy versus LIDAR. 8,760-hour shading on every plan, the bankability number every installer needs. White-label PDF and interactive web proposals with e-signature. 70,000-module and 12,000-inverter database. Nine UI languages for multi-region teams. NEC, IEC, AS/NZS, IS code flags. AI design assistant (Clara AI) for natural-language layout. Browser-native, runs on any laptop. Free trial, no credit card.

Weaknesses. Brand is younger than Aurora. Native mobile app on the roadmap. Some niche AHJ rule sets in the US still being added.

SurgePV vs the field. No competitor on this list ships the AI roof, the 8,760-hour shading, and the proposal at SurgePV's per-seat cost. The migration math is decided in the first call.

You can book a free demo and run one of your real installs on the call.

2. Aurora Solar

Best for: US-only residential installers with budget that already have an Aurora workflow built and a sales team trained on it.

Strengths. Mature US residential UX. Strong AI roof. Polished Premium-tier proposal. Large existing user base.

Weaknesses. $159 to $259 per user per month, the highest in the category. 8,760-hour shading is locked to Premium. Performance complaints on Apple Silicon for C&I sites. US-first AHJ library, weaker outside North America. No published team rate.

SurgePV vs Aurora. Same outputs, one-third the cost, 8,760-hour shading on every plan, strong country coverage outside the US.

3. OpenSolar

Best for: sub-10 kW residential installers that need a free entry-point and accept single-line shading.

Strengths. Free core platform. Decent residential UX. Solid for small installers starting out.

Weaknesses. "Free" breaks down past sub-10 kW residential. Per-deal add-ons (finance, credit, hardware integrations) escalate fast. Shading is single-line on the free tier. Support is community-led. C&I tools are thin.

SurgePV vs OpenSolar. SurgePV is paid from day one but the team plan unlocks the full workflow at $108 per seat per month, lower than OpenSolar's hidden add-on stack at typical volumes.

4. Pylon

Best for: US sales-first teams that want a clean proposal flow.

Strengths. Modern UX. Strong proposal templates. Sales-rep-friendly workflow.

Weaknesses. Lighter engineering depth than SurgePV or Aurora. No bankable P50/P75/P90 yield. Limited country support. Pricing is sales-quoted.

SurgePV vs Pylon. SurgePV ships the same sales-rep flow plus the engineering depth Pylon does not, with published pricing.

5. Solargraf

Best for: US residential sales reps that already use Enphase hardware and want a tight Enphase integration.

Strengths. Quick proposals. Simple UX. Owned by Enphase, so tight integration with that brand's inverters and batteries.

Weaknesses. Simulation depth is shallow versus PVsyst-class engines. Limited C&I work. Pricing not publicly listed.

SurgePV vs Solargraf. SurgePV gives you the same fast proposal output plus full 8,760-hour simulation, plus AutoCAD-grade engineering export, plus a global inverter library that does not lock you to one brand.

6. HelioScope

Best for: installers whose work is heavily C&I and who already pair HelioScope with a separate proposal tool.

Strengths. Reference-grade 8,760-hour simulation. Strong C&I depth. SLD included.

Weaknesses. $99 to roughly $300 per user per month. No proposal layer, you bolt one on. No AI roof. Residential workflow feels secondary.

SurgePV vs HelioScope. Same simulation engine class, plus the AI roof, plus the proposal, in one license, at a lower per-seat cost.

The 25 to 7 hour math, broken down

Where do the 18 hours per week go? We measured a 5-system installer's pre-SurgePV workflow against the post-SurgePV workflow on the same five jobs.

The arithmetic is direct. A junior designer at $25 per hour costs $23,400 over 936 hours. The SurgePV 5-seat team plan is $6,495 per year. The tool pays for itself in less than four months on time saved alone, before any close-rate uplift from a faster, cleaner proposal.

How SurgePV runs an installer day

The installer's day on SurgePV is short, repeatable, and finishes with a sent proposal. Six steps, five times.

1. 1

   Type the customer's address

   SurgePV's AI 3D roof modelling loads the site from satellite imagery in under 60 seconds. No drone, no on-site visit.

2. 2

   Ask Clara AI to lay out the system

   "8 kW, south-facing, avoid the AC unit." Clara places the modules, hits MPPT, returns a layout. Manual override on every panel.

3. 3

   Run 8,760-hour shading

   Full-year module-level. The number the customer trusts and the number that survives a lender review.

4. 4

   Generate SLD and BOQ

   One click each. Single-line diagrams ship with NEC labelling. BOQ is line-itemised by module, inverter, mount, cable.

5. 5

   Ship the branded proposal

   White-label PDF or shareable interactive web link. E-signature included. The customer signs on a phone, the deal moves to install.

6. 6

   Hand off to QuickEstimate CRM

   The deal lands in the pipeline. Follow-up nudges fire on WhatsApp. See pipeline management for the close-stage workflow.

Total elapsed: about 85 minutes per system, end to end, with the sales conversation included.

Where QuickEstimate fits, the installer's CRM layer

SurgePV ends at a sent proposal. The lead that came in, the customer who has not yet signed, and the deal that needs three WhatsApp nudges before it closes, those are CRM jobs. In India that CRM is QuickEstimate.

Solar design and solar CRM are two distinct workflows, and the installer who runs a focused tool for each tends to close more deals than the installer who runs one bloated tool for both. The integration between SurgePV and QuickEstimate ships the proposal straight into the customer record.

• Proposal Generator, branded PDF with PM Surya Ghar subsidy auto-calc, populated from the SurgePV design.
• WhatsApp Follow-up, send and track reads on the SurgePV proposal directly from the CRM.
• Lead Capture, pull leads from Facebook, IndiaMART, and the website form into the same pipeline the design lives in.
• Pipeline Management, stage tracking from lead to commissioning, with the SurgePV design embedded in every record.

For the Indian installer market specifically, the best solar CRM software in India breakdown walks through the QuickEstimate workflow in detail. The subsidy slabs in the proposal generator track the MNRE guidelines and the live PM Surya Ghar rates.

Migration: 5 days to swap your installer toolchain

Most installer teams take five working days to switch to SurgePV. The bottleneck is psychological, not technical.

1. Day 1. Export the current tool's project history as PDF and JSON. Set up SurgePV team accounts.
2. Day 2. Brand kit, default module preferences, default tariff. 90-minute onboarding call with the SurgePV team.
3. Day 3. Run two real projects in parallel, one on the old tool and one on SurgePV. Compare time and output.
4. Day 4. Move all designers to SurgePV. Keep the old tool live for legacy access only.
5. Day 5. First live customer-facing proposals shipped from SurgePV.

By week two, the design-time delta is measurable. The free trial covers the entire migration.

Who should choose each installer tool

Honest verdicts, by installer type.

• Residential installers, 5+ systems a week, anywhere globally. SurgePV.
• Small commercial installers, 1+ C&I project a week. SurgePV. The 8,760-hour shading on every plan is the differentiator.
• US-only residential with Aurora-trained sales team. Aurora is acceptable, SurgePV is the cost-cut alternative whenever the contract renews.
• Sub-10 kW residential hobbyist. OpenSolar free tier is fine until you cross five systems a month.
• C&I simulation specialists. HelioScope plus a separate proposal tool, or SurgePV in one license.
• Enphase-locked sales reps. Solargraf for the integration, or SurgePV for the brand neutrality.

Frequently asked questions

How much time does SurgePV actually save an installer?

A 5-system-per-week installer drops from about 25 hours of weekly design time to about 7 hours, an 18-hour weekly delta. Annualised, that is 936 hours, the rough equivalent of a half-time junior designer. The biggest single saving is the AI 3D roof (60 minutes per system reduced to under a minute).

Is SurgePV cheaper than Aurora for a 5-installer team?

Yes. SurgePV at $1,299 per user per year on the 5-seat plan totals $6,495 a year for the team. Aurora's Essentials at $159 per user per month totals $9,540. Aurora's Premium at $259 totals $15,540. SurgePV is roughly one-third the price at the Premium-equivalent feature set, with 8,760-hour shading included rather than tier-gated.

Does SurgePV work for installers outside the United States?

Yes. SurgePV ships NEC, IEC, AS/NZS, and IS code flags, plus tariff structures for net metering, FiT, Time-of-Use, and PM Surya Ghar. The UI is available in nine languages. According to IRENA, the majority of new solar capacity is now installed outside North America, the global coverage is the practical baseline.

Can the customer sign the proposal on their phone?

Yes. SurgePV ships interactive web proposals with a shareable URL and an embedded e-signature. The customer opens the proposal on any phone, reviews the design and the financials, and signs from the same screen. The signed proposal pushes back into the installer's pipeline.

Does SurgePV integrate with a CRM?

Yes. SurgePV ships an API and a native integration with QuickEstimate CRM (sister brand). For India-based installers, QuickEstimate handles the lead-capture, WhatsApp follow-up, and subsidy-ready proposal workflow. The two products pair cleanly. See the proposal generator for the QuickEstimate end of the workflow.

Is the SurgePV free trial full-feature?

Yes. The free trial does not require a credit card and does not strip features. You can run the AI 3D roof, the 8,760-hour shading, the SLD and BOQ generation, and ship live customer-facing proposals during the trial. According to the PM Surya Ghar portal, the Indian residential rooftop pipeline is ten million homes, the trial gives you the throughput to attack it from day one.

What if my installers are not technical?

SurgePV is designed for installers, not for PV researchers. The AI roof and Clara AI together cover the technical depth. A sales rep with no engineering background can ship a complete branded proposal in 20 minutes after a 90-minute onboarding call.

Does SurgePV handle commercial and residential installs in the same tool?

Yes. The same project workflow, the same engine, scales from a 3 kW residential rooftop to a 1 MW C&I installation. The 8,760-hour shading and the bankable P50/P75/P90 yield are on every plan, not gated to a higher tier the way they are in Aurora.