EPC Companies Registered
1,289+
Growing solar ecosystem network
All-in-One Solar Design & Proposal Software for EPCs
Solar Design & Proposal Software for EPCs
Design Better. Propose Faster.
Win More Projects.
Isolar helps EPC companies design, simulate, price and send professional solar proposals in just 30 minutes.
No Credit CardCancel AnytimeSetup in 2 Minutes
Live from active Isolar platform usage
Proposals Sent
48,392+
Auto-generated, accurate & on-brand
Carbon Emission Reduced (kg)
12,84,000+
Equivalent to planting 210,000+ trees 🌳
Every hour, EPCs using Isolar generate 120+ proposals automatically
* Updated in real time | Source: Isolar internal analytics | Last updated: 25 May 2025
Everything You Need to Close More Projects
From Lead to Proposal in 30 Minutes
Powerful yet simple tools built for solar EPCs to save time, reduce errors and grow faster.
Smart Design Studio
Auto roof detection, shading analysis, layout & simulation with real-world accuracy.
Rule-Based Engine
Built-in validations for solar, electricals & DISCOM requirements.
Professional Proposals
Branded proposals with ROI, payback, SLD, BOM & roof layout in one click.
CRM Built for EPCs
Manage leads, follow-ups, tasks, pipelines & projects in one place.
30 Min Proposal Delivery
Average time taken by Isolar users to deliver a winning proposal.
BOM & CostingSLD Auto-GenerationROI, Savings & PaybackNet Metering & DISCOM Compliance25-Year Generation Estimate
Why Leading EPCs Choose Isolar?
| Features | Isolar | Other Tools | Spreadsheet |
|---|---|---|---|
| Solar Design Automation | Limited | Manual | |
| Accurate BOM & SLD | Partial | Manual | |
| ROI, Payback & Savings | Partial | Manual | |
| Proposal in 30 Minutes | Hours | Days | |
| CRM & Pipeline Management | Limited | No | |
| Net Metering & Compliance | Manual | No | |
| Support for EPC Scale | Limited | No |
Isolar = Built for Solar EPCs. Not just another tool.
“
Isolar reduced our proposal time from 5 hours to 30 minutes.
It’s a game changer for our team!
Vikram Sharma
Director, Rays Power Infra
★★★★★
70%
Time Saved*
(average)
(average)
90%
Faster Proposal
Turnaround*
Turnaround*
2x
More Projects
Won*
Won*
* Source: Isolar customer survey (Jan-Apr 2025)
Trusted by 500+ EPC Companies Across India
SUNBUILDENERGY
RAYS POWERINFRA
SOLARISENERGY
SKYLINEEPC
GreenFixSOLAR
URJASOLUTIONS
Frequently Asked Questions
What is Isolar?+
Isolar is an all-in-one solar design and proposal platform built for EPC companies in India.
How long does it take to create a proposal?+
The guided workflow is designed to help EPC teams deliver a complete proposal in about 30 minutes.
Does Isolar work for all states & DISCOMs in India?+
Isolar supports state and DISCOM-aware workflows, with project details reviewed against the selected location and requirements.
Can I generate SLD and BOM automatically?+
Yes. Isolar can generate proposal-ready SLD and BOM outputs from the saved project design and equipment selections.
Is my data secure?+
Isolar uses authenticated access, tenant-aware data controls and production security measures to protect customer and project data.
Can I manage leads and projects in Isolar?+
Yes. The CRM and project workspace connect leads, follow-ups, designs, proposals and project records.
Do you offer training and support?+
Training and support are available for onboarding, product setup and day-to-day workflow questions.
Can I cancel anytime?+
Yes. You can cancel future renewal at any time. Payments already processed are non-refundable under the Refund Policy.
30MINUTES
Deliver Winning Proposals in 30 Minutes.
Join India's fastest-growing solar EPC platform.
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