Solar Installer Billing Software Built for India

Every solar installer in India faces the same problem. You're handling 10, 20, maybe 50 installations a month — but your billing is still running on Excel sheets, WhatsApp forwards, and manual Tally entries.

One GST error delays a ₹50L project. A missing subsidy document holds up your payment for weeks. And every time you try to scale, the backend breaks first. GrowInvoice is built to fix exactly this.

Try Free - No Credit Card

14-day free trial • No setup fees

What GrowInvoice Does for Solar Installers

Everything you need to manage solar billing, subsidy claims, and customer documentation

GST-Compliant Invoices in One Click

Auto-generate GST-ready invoices for every rooftop solar installation. Correct HSN codes, tax slabs, and invoice formats — every time, without manual calculation.

PM Surya Ghar Subsidy Documentation — Automated

Link your invoice directly to PM Surya Ghar subsidy claims. GrowInvoice auto-fills the required documentation, so you never hold up a customer's subsidy because of a paperwork error.

NBFC Loan Sync

Working with financing partners? GrowInvoice syncs your invoices with NBFC loan documentation so approvals move faster and nothing gets stuck in back-and-forth emails.

Quotation to Invoice in Minutes

Convert approved solar quotations into GST invoices instantly. No re-entering data, no formatting headaches, no delays.

Carbon Certificate — Automatic

Every invoice automatically calculates kWh generated and CO2 offset. Share a professional green certificate with your customer — builds trust and opens doors to corporate clients.

Built for Solar Installers Across India

Whether you're handling rooftop solar projects in Gujarat, Rajasthan, Maharashtra, or Tamil Nadu — GrowInvoice works for your market.

Gujarat Solar Installers

PM Surya Ghar heavy market, subsidy documentation automated

Rajasthan Solar Installers

Large residential + commercial installs, milestone billing supported

Maharashtra Solar Installers

MSEDCL net metering documentation linked

Tamil Nadu Solar Installers

TANGEDCO compliance ready

Who Is GrowInvoice For?

GrowInvoice is built for solar rooftop SMEs handling 10 or more installations per month with 5 to 50 employees — founders and sales heads who are growing fast but running on broken backend systems.

If you're still managing invoices on Excel and chasing subsidy documents on WhatsApp, GrowInvoice is built for you.

How It Works

1

Create Your Installation Quote

Enter project details, system size, and customer information. GrowInvoice auto-calculates GST and subsidy deductions.

2

Convert to GST Invoice Instantly

One click converts your quote to a fully compliant GST invoice with correct HSN codes.

3

Auto-Generate Subsidy Documents

PM Surya Ghar claim documents are auto-filled from your invoice data. No manual paperwork.

4

Share Carbon Certificate

Your customer receives a professional certificate showing annual kWh generated and CO2 offset.

Why Solar Installers Trust GrowInvoice

⚡

Save 10+ hours monthly on billing

✅

Zero GST errors

📄

Subsidy docs in minutes

📊

Real-time finance tracking

🎁

Green certificates for customers

Start Billing Smarter — Book a Free Demo

See GrowInvoice working for your exact solar installation workflow. 20-minute demo, no sales pressure, just clarity.

Book My Free Demo →

Faq’s

Frequently Asked
Question

Explore our FAQs to find quick and clear solutions to all your invoicing queries. At Grow Invoice, we're here to ensure your experience is as smooth and efficient as possible.

Q. What is GrowInvoice?

GrowInvoice is a comprehensive invoicing platform designed for small and medium-sized businesses. It simplifies invoice creation, payment processing, and financial management with user-friendly tools and secure digital payment options.

Q. How to create invoices?

Creating invoices is simple! Sign up for a free account, add your business details, enter client information, add line items with descriptions and amounts, and generate professional invoices in seconds. You can also use our templates for different industries.

Q. What payment methods are supported?

GrowInvoice supports multiple payment methods including credit/debit cards, bank transfers, digital wallets, and cryptocurrency payments. We also integrate with popular payment gateways for seamless transaction processing.

Q. Is GrowInvoice free?

Absolutely! You can customize invoices with your company logo, brand colors, custom fields, tax calculations, payment terms, and professional templates. Choose from our pre-designed templates or create your own branded invoice design.

Q. Can I customize my invoices?

Yes! GrowInvoice offers a free plan with basic invoicing features. For advanced features like unlimited invoices, payment processing, and priority support, we offer affordable premium plans starting at just $9.99/month.

Q. Is my data secure?

Security is our top priority. We use bank-grade 256-bit SSL encryption, comply with PCI DSS standards, and employ advanced security measures to protect your financial data. Your information is stored securely and never shared with third parties.

Q. How do I track invoice payments?

Our dashboard provides real-time tracking of all your invoices. You can see payment status, overdue invoices, payment reminders, and detailed reports. Set up automatic payment reminders and get notified when payments are received.

Q. Can I integrate GrowInvoice with other tools?

Yes! GrowInvoice integrates with popular accounting software like QuickBooks, Xero, and FreshBooks. We also offer API access for custom integrations and Zapier connectivity to connect with thousands of business tools and automate your workflow.
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