Most vendor pitches promise returns, yet very few EPC owners can show a working number when the board asks for
💰 Finance & Accounting
Odoo Finance for Solar &
EPC Companies
Project-wise profitability, milestone billing, multi-site accounting, and mobile expense capture in one system.
Solar EPC finance is project accounting, not just bookkeeping. Revenue arrives in milestones, costs span procurement, labour, and subcontractors across multiple sites, and profitability must be visible per project before it closes. Odoo connects all of it.
300+
ERP Implementations
Solar · EPC
Finance Configured
6 Weeks
Typical Go-Live
Why Solar EPC Finance Breaks
Project Margins You Cannot See Until It Is Too Late
When costs live in Tally, revenue in Excel, and site expenses on WhatsApp, project profitability is a guess until the project closes.
📊
01
Margin Unknown Until Closure
Costs in Tally, revenue in Excel. Actual project margin discovered months after commissioning, not during execution.
📄
02
Milestone Billing Is Manual
Payment stages missed because invoicing is not connected to project progress. Cash flow suffers.
🌐
03
No Cross-Site Consolidation
Five projects across five locations. No single P&L view. Leadership flies blind on portfolio profitability.
Project Accounting
Every Project Is Its Own P&L
Each solar project carries a dedicated analytic account. Material, labour, and subcontractor costs are tagged to the project as they are incurred. Profitability is visible at any stage, not just at closure.
- ✓Analytic account per project
- ✓Real cost vs budget at any stage
- ✓Margin visible before the project closes
Project Profitability
Cost, Profit & Margin Per Project
Track financial performance for every project across every location. Cost centers, profit centers, and analytic accounts give leadership real profitability, not month-end estimates.
📈Project-Wise Profitability
Dedicated analytic account per project. Material, labour, and subcontract costs tagged automatically. Real-time profit and loss for every installation.
✓ Know what each project earns before it closes.
🏢Cost & Profit Centers
Track financials by state, region, and project type — rooftop, C&I, or utility-scale. Compare margins across your entire portfolio from one dashboard.
✓ Portfolio profitability by location and project type.
🎯Budget vs Actual
Set a project budget at award. Compare planned vs actual cost at any stage. Overruns flagged early, while you can still act on them.
✓ Cost overruns caught during execution, not after.
🏗️On-Site Cost Valuation
Value work-in-progress and material consumed at each job site. Site-level cost visibility for projects running across multiple locations simultaneously.
✓ Real site-level cost, not head-office estimates.
Billing & Revenue
Milestone Billing & Collection Tracking
Solar EPC revenue arrives in milestones — advance, mobilization, installation, commissioning. Odoo ties every invoice to project progress so billing and collections stay on schedule.
📄Milestone Invoicing
Invoices tied to project milestones: advance, mobilization, installation, commissioning. Invoice raised automatically when a milestone is marked complete.
✓ Billing follows project progress automatically.
💳Payment & Collection Tracking
Track receivables, aging reports, and automated reminders for overdue payments. Bank reconciliation built in. Cash collection never slips.
✓ Receivables tracked, reminders automated.
🔒Retention & Advance Handling
Track retention amounts held per milestone and advances adjusted against final billing. No manual reconciliation of what is held or owed.
✓ Retention and advances tracked to the rupee.
🌍Multi-Currency Billing
For EPC firms operating across borders. Invoice and receive in multiple currencies with automatic exchange rate handling and gain/loss posting.
✓ Bill across borders without spreadsheet conversions.
Mobile Expense
Capture Expenses from the Field
Site engineers and field teams submit expenses with a photo of the receipt from their phone. Each expense is tagged to the project and routed for approval instantly — no paper, no delay.
- ✓Mobile expense capture with receipt photo
- ✓Approval workflow on the phone
- ✓Site expenses tagged to project instantly
Expenses & Payables
Field Expenses, Vendor Bills & Payroll
Every cost that hits a project — field expenses, vendor bills, subcontractor payments, and labour — flows into project costing so your margin numbers are always complete.
📱Mobile Expense Capture
Field teams submit expenses with receipt photos, tagged to the project. Approval workflow on mobile. Expenses hit project costing the moment they are approved.
✓ No expense lost between the site and the office.
🧾Vendor Payment Tracking
Vendor bills, payment schedules, aging reports, and advance adjustment. Know exactly what is owed to whom and when across every project.
✓ Every vendor payment tracked and scheduled.
👥Payroll Integration
Labour cost from payroll flows directly into project costing. Site engineer and technician hours are tagged to the project they worked on. True labour cost per project.
✓ Labour cost lands in project margin automatically.
🔨Subcontractor Bills
Subcontractor bills processed against work completion and linked to the project. Retention and progress payments tracked per subcontractor.
✓ Subcontractor cost tied to work delivered.
Connected Finance
Integrated Across Your Whole ERP
Odoo finance is not a standalone ledger. It runs on the same database as CRM, supply chain, projects, and HRMS — so every transaction posts once and flows everywhere.
🔗Fully Integrated with Odoo ERP
CRM, supply chain, projects, and HRMS share one database. Sales confirms a deal, procurement posts a bill, payroll runs — finance reflects all of it without re-entry.
✓ One transaction posts once and flows everywhere.
🏭Multi-Warehouse Valuation
Combined and standalone inventory valuation across every warehouse and site. Value stock per location or consolidated for the whole company at any time.
✓ Combined or standalone stock valuation, on demand.
From the Blog
Finance Insights for Solar EPC
Solar EPC, solar manufacturing, and O&M companies do not operate like standard manufacturing or trading businesses. Material flows to multiple
What Our Clients Say
Trusted by Solar & EPC Companies
We at Heaven Solar had the privilege of partnering with Tatvamasi Labs to develop and implement Odoo within our organization. From the start, their team demonstrated professionalism and expertise, understanding our specific needs and delivering beyond expectations.
Before the Odoo implementation, task and resource allocation were taking considerable time and often led to delays. However, after going live with the system, we saw a significant improvement in how we managed tasks and resources—everything became more streamlined and efficient.
Before the Odoo implementation, task and resource allocation were taking considerable time and often led to delays. However, after going live with the system, we saw a significant improvement in how we managed tasks and resources—everything became more streamlined and efficient.
We are truly grateful for Tatvamasi Lab's support and look forward to continuing our collaboration.
Before working with Tatvamasi Labs, our operations couldn't keep up with our ambitions. Leads from our energy calculators had to be manually entered into our sales system, follow-ups ran on scattered emails, and we had zero real-time visibility into our vendor network or field equipment. We were a fast-growing greentech startup held back by the fragile processes underneath.
Tatvamasi Labs changed that completely. They built a custom integration between our Airrange calculators and Odoo CRM, automated our entire sales pipeline, and gave us live tracking across projects, inventory, and warranties — all without adding headcount. Within the first quarter, our lead conversions rose by 27% and we doubled our operational capacity. It wasn't just an ERP implementation; it was the infrastructure our growth actually needed.
Who Is This For
Built for Solar EPC Finance Teams
If your finance team reconciles project costs across Tally, Excel, and WhatsApp — and leadership cannot see real project margins until the quarter closes.
Company Profile
Solar EPC businesses running multiple concurrent projects across sites and states, needing real project-level financial visibility.
- ● Project margins reconciled manually
- ● Milestone billing tracked on spreadsheets
- ● Site expenses captured on WhatsApp
- ● No consolidated multi-site P&L
Modules Included
Everything your solar finance operation needs:
Project ProfitabilityCost CentersMilestone InvoicingPayment TrackingRetention & AdvanceMulti-CurrencyMobile ExpensesVendor PaymentsPayroll IntegrationSubcontractor BillsMulti-Warehouse ValuationBudget vs Actual
FAQ
FAQs About Odoo Solar Finance
Yes. Every project carries a dedicated analytic account. Material, labour, and subcontractor costs are tagged to the project automatically, giving real-time profit and loss for each installation before it closes.
Invoices are tied to project milestones such as advance, mobilization, installation, and commissioning. When a milestone is marked complete, the invoice is ready to raise, so billing follows project progress.
Yes. Cost centers and profit centers track financials by state, region, and project type. Leadership sees consolidated portfolio profitability or drills into any single project or location.
Field teams submit expenses with a receipt photo from the Odoo mobile app. Each expense is tagged to the project and routed for approval, hitting project costing the moment it is approved.
Yes. Labour cost from payroll flows into project costing. Site engineer and technician hours are tagged to the project they worked on, giving true labour cost per project.
Yes. Vendor bills, payment schedules, aging, and advance adjustments are tracked per project. Subcontractor bills are processed against work completion with retention and progress payments recorded.
Ready to See Real Profitability on Every Project?
From milestone billing to project margin. Tatvamasi Labs configures Odoo finance for solar EPC operations. Book a 30-minute demo.
📞 +91 8799696346 · ✉️ contact@tatvamasilabs.com · Official Odoo Silver Partner
