Best Aurora Solar Alternative for Solar EPCs in 2026

If you are evaluating solar design software and Aurora Solar is on your list, this blog gives you the direct answer. Aurora Solar is a strong platform for a specific market. Outside that market, the gaps are real and they show up on every project.

What Aurora Solar Offers

Aurora Solar is the market-leading solar design software in the United States. It uses satellite imagery and LiDAR data as the design base, integrates with US utility rate databases for financial modelling, and generates SLD and layout drawings in US NEC format. For US-based EPCs working exclusively in the US market, it is a mature, well-supported platform.

The limitations appear when the project is outside the United States. Aurora Solar was built for the US market. Its compliance outputs, financial models, and document formats reflect US standards. When the project is in India, the Middle East, Southeast Asia, or Europe, the tool requires significant manual configuration and still cannot produce several outputs that EPCs in these markets need every day.

Where Aurora Solar Falls Short

1. Desktop-only workflow

Aurora Solar is a desktop-first platform. The full design workflow requires a laptop or desktop with a stable connection. There is no mobile design capability.

In India and the Middle East, solar deals are discussed and closed face to face. Site visits, factory floor assessments, rooftop meetings. A desktop-only solar design software means the proposal gets built later, back at the office, after the customer has had time to speak to a competitor. The ability to close on-site is not a feature. It is a conversion rate.

Reslink works on any device with identical capability. The complete satellite 3D design, shadow simulation, ALMM check, and proposal generation run on a phone, a tablet, or a desktop. The salesperson delivers the proposal to the customer over WhatsApp before leaving the site.

2. No automated Bills of Electrical (BOE) or Bills of Structure

Aurora Solar does not generate Bills of Electrical or Bills of Structure. After a design is approved, the procurement team prepares the BOE manually in Excel. Cable lengths are estimated, not calculated from the actual string run geometry. Structural component quantities require a separate calculation.

For a 500 kW project, a 15% cable length error translates to Rs 3 to 5 lakh in procurement overrun or a return-and-reorder delay that pushes commissioning back by days. Reslink generates both the BOE and Bills of Structure directly from the 3D model. Both regenerate automatically when the design changes.

3. SLD output in US NEC format only

Aurora Solar generates Single Line Diagrams in US NEC format. DISCOMs in India require a specific SLD format that differs substantially from NEC. DEWA in Dubai has its own requirements. Australian state electricity networks have separate standards.

An Aurora-generated SLD cannot be submitted to an Indian DISCOM or to DEWA without reformatting. EPCs managing any project with bank financing or grid connection must engage an external engineering consultant. That step adds 2 to 4 weeks and Rs 15,000 to Rs 50,000 per commercial project.

Reslink generates a bank-ready SLD in the format required by the local authority. For India, it meets DISCOM standards. For the UAE, it meets DEWA requirements. The SLD is generated from the same 3D design, with no external consultant and no additional timeline.

4. No native OPEX modeling for non-US markets

Aurora Solar's financial modeling is built around US utility rates, ITC incentives, and US third-party ownership financing structures. For C&I customers in India or the Middle East who want to evaluate an OPEX or PPA model against their local DISCOM rate, Aurora has no native support. The salesperson needs a separate tool or a manual Excel model to have that conversation.

Reslink generates both CAPEX and OPEX proposals from the same 3D design. The salesperson can show a C&I customer both financial models on-site, including the PPA tariff compared against the customer's current DISCOM rate, and let them decide.

Reslink generates both CAPEX and OPEX proposals from the same 3D design. The salesperson can show a C&I customer both models on-site, including the PPA tariff compared against the customer's DISCOM rate, and let them choose.

5. No ALMM compliance check

Aurora Solar has no awareness of India's ALMM approved list. A salesperson can build a technically complete proposal using non-ALMM panels or inverters and Aurora will not flag it. The error surfaces at DISCOM inspection, after the equipment has been procured, transported, and installed.

Reslink checks every equipment selection against the MNRE ALMM approved list in real time at the design stage. The flag appears before the design is finalised, before procurement happens, and before anyone is on-site. A failed DISCOM inspection becomes essentially impossible when the compliance check runs at source.

6. No PM Surya Ghar or local subsidy calculation

Aurora Solar's financial outputs default to US utility tariff structures and US financing products. Adapting them to Indian DISCOM tariffs, state-level net metering rates, or UAE net metering structures requires manual configuration for every project. At low project volumes this is manageable. At 30 or 40 projects per month across a team of salespeople, this becomes a meaningful overhead that compounds daily.

Reslink's financial model adapts to the project location automatically. Indian DISCOM tariffs, PM Surya Ghar subsidy, UAE net metering credits, and other local financial parameters load from the location entry, not from a configuration screen the salesperson fills in before every proposal.

7. Manual configuration for every non-US market

Aurora's financial modelling, irradiance data defaults, and compliance outputs are built for the US market. For any other geography, every parameter requires manual configuration: local utility rates, local grid codes, local subsidy structures, local electrical formats.

This configuration work adds time to every new market an EPC enters and introduces error risk. A financial model built on incorrectly configured parameters gives the customer inaccurate ROI projections. Aurora Solar onboarding for non-US teams typically runs 1 to 2 weeks, with a significant portion spent on configuration that does not exist by default.

Reslink adapts irradiance data, grid codes, financial parameters, and compliance formats to the project location automatically. Enter the location. Reslink applies the correct local parameters without manual setup.

8. No WhatsApp delivery

Aurora Solar has no in-app WhatsApp proposal delivery. In India and the Middle East, a proposal sent by email has an open rate of 20 to 30%. The same proposal sent via WhatsApp has an open rate above 90%.

Reslink delivers proposals directly from the app via WhatsApp before the salesperson leaves the site. The customer receives a shareable proposal they can forward to family members, accountants, or business partners instantly.

Reslink vs Aurora Solar: Feature Comparison

The cumulative cost of using Aurora Solar outside the US: External SLD consultant per project, manual ALMM verification before every procurement, no native OPEX modeling for non-US C&I customers, manual financial configuration for each new market, and desktop-only closing that sends your salesperson back to the office. Each is a cost. Together they are a structural disadvantage against competitors already using solar design software built for these markets.

What the Gap Means in Practice

An EPC in India, the Middle East, or Southeast Asia using Aurora Solar as their primary solar design software is running a set of manual workarounds alongside it every day:

• Manual BOE preparation in Excel after every design, updated again after every change
• Manual structural BOM calculation for every mounting system
• Reformatting of US-format SLD before every DISCOM or bank submission
• Manual ALMM check before every procurement order
• Manual subsidy lookup and calculation for every residential proposal
• No OPEX proposal option for C&I customers who request it
• No WhatsApp delivery, relying on email open rates of 20 to 30%

These workarounds are invisible on a software invoice. They appear as delayed proposals, procurement errors, failed inspections, financing delays, and deals closed by competitors who arrived better prepared.

When Aurora Solar Is the Right Choice

If your EPC operates primarily in the US residential or C&I market with an office-based design team, Aurora Solar is a mature and well-supported platform within that context. The US utility integrations, financing product connections, and equipment library are genuinely strong for that geography.

For every EPC outside that context, the gaps described above are not configuration issues. They are architectural decisions made when Aurora Solar was designed for the US market. Reslink was designed for markets where those gaps are daily operational problems.

Frequently Asked Questions

Q1. Is Aurora Solar available in India?

Aurora Solar is available globally but is architecturally built for the US. Its utility rate databases, financing integrations, and SLD outputs default to US standards. EPCs in India need to configure local parameters manually and will receive SLD output in US format rather than DISCOM format. At scale, this manual overhead becomes a significant ongoing cost across the team.

Q2. Is Reslink more expensive than Aurora Solar?

Reslink offers competitive pricing and replaces multiple tools in the market. The right comparison is not subscription cost in isolation but total cost including the Excel BOE overhead, external SLD consultant fees, and the revenue cost of losing deals to faster competitors. Most EPCs who switched to Reslink typically see a 30% increase in deal closure within the first month itself.

Q3. Does Reslink work on desktop as well as mobile?

Yes. Reslink works on any device - phone, tablet, or desktop - with the same full capability. Mobile-first means the complete workflow is available in the field without a laptop. Office-based design teams use Reslink on desktop without any limitation compared to the mobile experience.

Q4. Can Reslink generate OPEX proposals for C&l customers?

Yes. Reslink generates both CAPEX and OPEX proposals natively from the same 3D design. Aurora Solar supports PPA and lease proposals through US TPO financing partner integrations, which are not applicable for EPCs operating in India, the Middle East, or other emerging markets. Reslink's OPEX proposal works across all active geographies without requiring a financing partner.

Q5. Does Reslink work for utility-scale projects, not just residential?

Yes. Reslink handles projects from 3 kW residential to 1 GW utility-scale ground-mount within the same platform. BOE, Bills of Structure, and bank-ready documents scale with the project. Aurora Solar is primarily optimised for residential and commercial rooftop projects.

Q6. How does Reslink handle geographic adaptability compared to Aurora Solar?

Reslink adapts irradiance data, grid codes, compliance output formats, and financial parameters to the project location automatically. India has the deepest localisation. Active expansion covers the Middle East, Southeast Asia, Africa, Europe, and Australia. Aurora Solar's geographic depth is strongest in the US and Western Europe, with manual configuration required for most other markets.

Q7. Can Reslink replace Aurora Solar for a team expanding into emerging markets?

Yes. EPCs expanding into India, the Middle East, Southeast Asia, or Africa will find Reslink better adapted to local market requirements from day one. The satellite 3D design workflow travels across markets, local compliance outputs adapt to the project location automatically, and the same team can operate across multiple geographies without retraining on a different platform.

You May Also Like

• Best Arka360 Alternative for Solar EPCs in 2026
• Best Solar Design Software in India for 2026
• How Reslink's 3D Solar Design Works: Site to Bankable Output

Sources

• IEA - Renewables 2025: Analysis and Forecast to 2030. iea.org
• MNRE - Approved Models and Manufacturers List (ALMM), current edition. mnre.gov.in
• DEWA - Shams Dubai net metering guidelines. dewa.gov.ae
• CERC - Central Electricity Regulatory Commission, DISCOM interconnection standards. cercind.gov.in
• PM Surya Ghar Muft Bijli Yojana - Subsidy slabs and EPC guidelines. pmsuryaghar.gov.in
• Aurora Solar — Product documentation, accessed June 2026.