Best ERP Software for Solar Installers in 2026: 6 Options Compared

If you are searching for the best solar ERP, first separate a true ERP from a CRM, design tool, or project board.

A solar installer can have excellent design software and still lose time after the sale. It can have a strong CRM and still miss permit comments. It can have a clean project board and still discover material shortages too late.

The best system is the one that keeps the customer, project, permit, interconnection, field, material, financial, employee, and service record connected as the business grows.

That is the standard used in this comparison.

Quick answer: what is the best ERP software for solar installers in 2026?

There is no honest single winner for every solar company. The right shortlist depends on what you are actually trying to replace.

SolarSuccess by Blu Banyan is the clearest established choice for teams that want a solar-specific ERP on NetSuite, with accounting, CRM, projects, permitting, inventory, invoicing, asset management, and service management tied together.

Enerflo is a strong fit for residential solar companies that want one operating layer from first contact to PTO while keeping specialist CRM, design, financing, and other tools connected through integrations.

OpusFlow is one of the broadest all-in-one installer platforms in the market, combining CRM, quoting, planning, project management, warehouse, purchasing, invoicing, employee management, and installation calculations. Buyers should verify local accounting, tax, permitting, utility, and integration fit before treating any international platform as a drop-in replacement.

Scoop is strongest when the priority is operational execution, mobile field work, workflow automation, and connecting an existing software stack rather than replacing every core system.

Sitetracker is better suited to larger renewable-development, EPC, construction, O&M, and asset-lifecycle environments where portfolio-level project and asset control matters more than a classic installer ERP.

Solar1 is being built for teams whose goal is different: one solar-specific system of record across sales, project delivery, permitting and interconnection, procurement and inventory, field operations, finance, HR, service, warranty, and reporting. Because Solar1 is still under development, buyers should verify current availability module by module rather than treating the full product direction as already live.

How we evaluated the platforms

This is not a paid ranking. We reviewed current vendor documentation and compared each platform against the jobs a solar ERP should own inside the business. Solar1 is our product, so we apply an extra disclosure rule to it: planned or in-development capabilities are not presented as live unless verified.

• Solar-specific workflow depth, including sold-to-project handoff, permitting, interconnection, inspections, and PTO
• Core business coverage across CRM, projects, procurement, inventory, field work, finance, people, service, and reporting
• Ability to keep project progress connected to job cost, billing, and cash
• Field and mobile usability
• Procurement, warehouse, equipment, serial, and warranty traceability
• Post-install service and asset history
• Reporting, permissions, approvals, and management visibility
• Implementation weight, product maturity, and dependence on other core systems

What actually counts as a solar ERP?

A useful definition is simple: an ERP should own the core business records that multiple departments depend on. It should not merely move data between five separate systems.

For a solar company, that usually means the same customer and project record should connect sales, site survey, design handoff, proposals, projects, engineering, permits, utility interconnection, purchasing, inventory, field work, labor, invoicing, payments, job cost, service, and reporting.

Specialist tools can still be valuable. Advanced solar design, aerial imagery, CAD, financing providers, payment gateways, banking, telematics, utility portals, tax services, and equipment monitoring may remain separate because they solve specialist problems. The ERP's job is to keep the company's operational and financial truth connected around them.

If you want the category explained before comparing vendors, read What Is Solar ERP? If your real question is broader than ERP, our Best Software for Solar Installers in 2026 compares the wider software stack.

1. Solar1: best fit for one solar-specific system of record

Best fit: solar installation companies and EPCs that want the core business to run from one connected solar-specific ERP rather than a collection of separate CRM, project, inventory, finance, field, HR, and service systems.

Solar1 is being built around a broader definition of solar ERP than the original version of this guide described. The product direction is not only the post-sale messy middle. It covers the business from lead qualification and CRM through survey, proposals, project delivery, engineering, permits, interconnection, procurement, inventory, field operations, employees, finance, customer communication, service, warranty, and management reporting.

That architecture matters because many expensive solar problems cross department boundaries. A design substitution can change the permit, purchase order, inventory allocation, crew instructions, and job cost. A completed milestone can change both project status and the next invoice. A PTO delay can affect the customer, finance, project closeout, and management forecast at the same time.

The reason Solar1 can be attractive is not a claim that it has more checkboxes than every competitor. It is the decision to keep those core records in the same operating model instead of treating integrations between separate core apps as the end state.

What to verify before choosing it: current availability of the modules your team needs, implementation scope, specialist integrations, migration requirements, mobile workflow readiness, and which roadmap capabilities are not yet production-ready.

For teams that want a detailed evaluation framework, use the Solar ERP Requirements Checklist during a product review.

2. SolarSuccess: best established NetSuite-based solar ERP

Best fit: solar businesses that want mature ERP depth and are comfortable with a NetSuite-centered implementation.

SolarSuccess is a native NetSuite solar application. Blu Banyan currently positions it as one system for CRM, project management, accounting, permitting, invoicing, ERP and inventory, asset management, and service management. Its inventory workflow includes purchase-order creation from project bills of materials, and its project model can connect milestones to accounting events.

That makes SolarSuccess one of the clearest benchmarks for what a real solar ERP looks like. It is especially relevant when multi-entity accounting, warehouse controls, project profitability, purchasing, and enterprise reporting carry as much weight as day-to-day project tracking.

What to verify: implementation effort, licensing structure, NetSuite expertise required internally or from partners, integration needs, and whether the operational experience fits the speed and simplicity expected by your field and project teams.

3. Enerflo: best fit for a connected residential solar operating layer

Best fit: residential solar businesses that want a standardized first-contact-to-PTO flow while continuing to use specialist sales, design, financing, and other applications.

Enerflo describes itself as the operating system for residential solar. Its current architecture is intentionally an infrastructure layer that connects CRM, solar design, financing, contracting, customer portals, install tracking, reporting, and other tools. Enerflo also advertises more than 150 native integrations.

This is a strong approach when the company already likes parts of its stack and the main problem is handoffs between them. It can reduce duplicate entry and create a more consistent deal and installation flow without requiring every specialist function to move into one product.

The distinction for an ERP buyer is important. Enerflo is not positioning itself as a classic all-department ERP that replaces accounting, HR, payroll, warehouse management, and every other core business system. If your goal is a connected residential solar infrastructure layer, that is a strength. If your goal is to consolidate the underlying systems of record themselves, test that requirement explicitly.

4. OpusFlow: best fit for a broad all-in-one installer suite

Best fit: installation companies looking for a wide suite covering front office, operations, back office, and technical installation workflows.

OpusFlow currently combines CRM and lead management, quotations, project management, field data, planning, warehouse management, purchasing, invoicing, documents, employee management, dashboards, automation, AI, and solar and battery design tools. That is much closer to a full ERP footprint than a typical solar CRM or project-management product.

Its breadth is a useful benchmark because it shows how much software can move into one installer platform. The practical buying question is local fit. Accounting, taxes, payroll, financing, permitting, utility interconnection, document standards, and integrations can vary significantly by market. Buyers should verify those workflows in a live demo instead of assuming that broad module coverage equals local readiness.

In other words, OpusFlow deserves to be compared as an ERP. It should not be grouped with proposal-only tools.

5. Scoop: best fit for field execution and connecting an existing stack

Best fit: solar and renewable teams whose biggest pain is project execution, field visibility, workflow automation, and disconnected operational tools.

Scoop centers on project management, a mobile field app, GLOO integrations, and LOOXY reporting and analytics. Scoop says GLOO can connect hundreds of cloud applications, which makes the platform attractive when the company wants a best-of-breed stack but needs one operational backbone across it.

Scoop is particularly relevant when field teams and office teams are not working from the same status, when project templates vary by manager, or when handoffs still depend on email and manual follow-up.

The tradeoff is architectural. Scoop is better understood as an operations hub than a replacement for a company's financial ERP, payroll, or all core back-office systems. That is not a weakness if integration is the strategy. It is simply a different strategy from a complete ERP.

6. Sitetracker: best fit for large renewable project and asset lifecycles

Best fit: developers, EPCs, construction teams, O&M providers, and asset managers running larger or more complex renewable portfolios.

Sitetracker focuses on asset lifecycle management for renewable energy. Its platform covers development, permitting, construction, field teams, interconnection, O&M, asset management, contracts, documents, regulatory obligations, and portfolio reporting.

That makes it compelling for organizations where the project does not end at installation or PTO and where development and long-term asset obligations are central. Sitetracker also explicitly supports integration with existing ERPs and monitoring systems.

That last point is the important category distinction. Sitetracker can be a major operational system, but it is often part of an enterprise architecture rather than the accounting, payroll, and general ERP backbone itself.

What about Aurora Solar and OpenSolar?

Both are important solar platforms, but including them in the same ranked ERP list without explanation makes the comparison less useful.

Aurora Solar is strongest around solar design, proposals, sales, financing integrations, contracts, and delivery workflows. It can be a critical system in a solar company, especially for design and sales, but that is different from owning company-wide accounting, inventory, HR, payroll, purchasing, service, and other ERP records.

OpenSolar offers free software to design, sell, and manage projects, with AI design, proposals, project workflows, and a broad partner ecosystem. It can cover a significant part of an installer's front-end workflow at very low software cost, but a growing company's ERP requirements can extend much further into procurement, inventory, job costing, financial controls, payroll, service, and cross-department reporting.

The right question is therefore not whether Aurora or OpenSolar is good software. Both can be valuable. The question is which layer of the business each product should own.

What should the best solar ERP actually manage?

How to calculate the ROI of solar ERP

Do not accept a generic promise that ERP saves time. Build the business case from your own workflow.

• Admin time: people involved × hours spent chasing or re-entering data × loaded hourly cost
• Billing delay: milestone value × frequency of delayed billing × average delay
• Rework: design, permit, field, or data errors per month × labor and material cost per error
• Procurement leakage: expedite freight + emergency buys + unused inventory + purchase-price variance
• Crew downtime: lost crew hours caused by missing materials, wrong plans, access issues, or poor job readiness
• Owner and manager time: hours spent assembling status, margin, capacity, and forecast reports manually

Here is an illustrative example, not a Solar1 performance claim. If five people each spend 30 minutes per workday chasing updates or reconciling project data, that is 12.5 hours per week. Using a four-week month, that is about 50 hours. At a loaded labor cost of $40 per hour, the visible coordination cost is about $2,000 per month before counting billing delays, rework, stockouts, or owner time.

That is why ERP ROI should be compared with the cost of the current operating model, not with the price of a spreadsheet. For a deeper framework, see Solar ERP Pricing: Cost, Payback, and Implementation.

A better way to score ERP demos

Feature checklists are useful, but they can reward software for having a button rather than solving the workflow. Use a weighted scorecard based on how your company actually operates.

Before signing, use the Solar ERP Demo Checklist and make the vendor demonstrate your real workflow with your terminology, not a polished generic demo.

Which solar ERP should you shortlist?

Shortlist SolarSuccess if you want an established, NetSuite-based solar ERP with serious accounting, inventory, project, and multi-entity depth.

Shortlist Enerflo if you run residential solar and want a strong operating layer that connects specialist systems from sales through PTO.

Shortlist OpusFlow if you want a broad all-in-one installer suite and its local financial, compliance, and utility workflows fit your market.

Shortlist Scoop if you want better field execution and operational control while keeping the rest of your existing stack.

Shortlist Sitetracker if you manage larger renewable development, construction, O&M, and long-term asset portfolios.

Shortlist Solar1 if your requirement is one solar-specific ERP architecture across the core business and you are comfortable evaluating a product that is still being built. The right evaluation is not whether Solar1 promises every feature. It is whether the product direction matches the operating model you want, and whether the capabilities you need now are actually ready.

The practical decision

The best ERP software for solar installers in 2026 is the system that removes the most expensive fragmentation without creating a new layer of complexity.

If the current pain is mostly design speed, buy better design software. If it is sales follow-up, fix the CRM. If the problem is field execution, an operations platform may be enough.

But if customer data, project status, permit records, interconnection, purchasing, inventory, field work, labor, invoices, margin, service, and management reporting are all drifting into separate systems, the problem has become an ERP problem.

That is the problem Solar1 is being built around. Not another dashboard over disconnected records, but a solar-specific business system where the core operating record stays connected while specialist tools plug in where they genuinely add value.

If that matches the way your company is trying to scale, see how Solar1 is being built and compare it against the same scorecard you would use for every other platform.