TL;DR: SurgePV is the top pick for Omani C&I EPCs — design-integrated proposals with PPA modeling, Sahim II net billing, heat-adjusted production estimates, and OMR financial analysis in 15—20 minutes. Aurora Solar offers superior visual quality but lacks Omani financial depth. OpenSolar is free but missing PPA and net billing support. Energy Toolbase handles storage-heavy projects but is US-centric. Solargraf has minimal Oman relevance.
Oman’s Solar Pipeline Is Growing Fast. But Most EPCs Still Build Proposals in Excel.
Let’s talk about the gap between Oman’s solar ambition and the tools EPCs use to sell it.
Vision 2040 targets 30% renewable energy. OPWP is awarding utility-scale contracts worth hundreds of millions of OMR. The Sahim II program is opening residential and small commercial rooftop solar. PDO is deploying solar at oil field operations across the interior. C&I commercial solar is growing as Omani businesses face rising cost-reflective electricity tariffs.
Every single project — from a 10 kW Sahim II rooftop to a 500 MW OPWP tender — requires a proposal. A financial model. A document that convinces the client or the procurement committee to say yes.
Here’s the reality: most Omani EPCs build those proposals in Excel.
Manual spreadsheet proposals take 2—4 hours for a C&I project with PPA modeling. They’re error-prone — a formula mistake in a 25-year escalation model can misstate lifetime value by hundreds of thousands of OMR. They look unprofessional next to what international developers put on the table. And they don’t integrate with design software, so production numbers get copied manually from HelioScope or Aurora.
The right solar proposal software generates professional, OMR-denominated financial models from your actual design data in 15—20 minutes. PPA modeling with escalation. Sahim II net billing economics. Heat-adjusted production estimates that account for Oman’s 50-degree-plus summers and 4—6% soiling losses. That’s the difference between closing and losing the deal.
In this guide, you’ll learn:
- Which platforms model PPAs and Sahim II net billing for Omani solar projects
- How proposal tools handle extreme heat production adjustments for accurate financials
- Which software integrates design data directly into proposals
- Total cost of ownership for EPC sales teams in OMR
- Detailed comparisons of SurgePV, OpenSolar, Aurora Solar, Energy Toolbase, and Solargraf
Quick Summary: Our Top Picks for Oman
After testing 5 proposal platforms against Oman’s PPA market, Sahim II economics, and Vision 2040 project requirements, here are our recommendations:
- SurgePV — Design-integrated proposals with PPA modeling, AER compliance, and OMR financial analysis (Best for C&I EPCs needing design + proposal in one platform)
- OpenSolar — Free basic proposals (Best for budget-conscious Sahim II startups, missing PPA and Omani financial depth)
- Aurora Solar — Beautiful client-facing proposals (Best for visual impact, limited PPA modeling for Oman)
- Energy Toolbase — Advanced storage financial modeling (Best for battery+solar projects, US-centric with limited Omani features)
- Solargraf — Residential proposal tool (Best for North American residential, limited relevance for Oman)
Each tool is evaluated on Oman-specific criteria: PPA modeling, Sahim II net billing, extreme heat production accuracy, proposal quality, and OMR pricing.
Best Solar Proposal Software in Oman (Detailed Reviews)
SurgePV — Best End-to-End Proposal Platform for Oman
SurgePV is the only platform where your proposal data comes directly from an actual engineering design — not from a separate spreadsheet. You design the system, run the simulation, and generate a professional proposal in a single workflow.
For Omani EPCs selling solar to government institutions, commercial businesses, and Sahim II residential customers, that integration eliminates the most dangerous source of proposal errors: manual data transfer. When your production estimate, BOM, and financial model all pull from the same design, there’s no risk of copying the wrong number into a 25-year PPA projection.
Target Users: C&I EPCs (100 kW—10 MW projects), Sahim II installers, PDO and oil sector solar developers, solar installers scaling from residential to commercial, sales teams needing fast turnaround on competitive bids.
Unique Value for Oman: SurgePV is the only platform combining design, automated SLD generation, bankable simulation, and professional proposals with OMR financial modeling. No tool-switching. The proposal reflects your actual design with heat-adjusted production — not a theoretical estimate from a separate spreadsheet.
Pro Tip
When evaluating proposal software for Oman, ask: “Does the production number in my proposal account for 50-degree summers and 4—6% soiling?” If it uses generic temperature assumptions, your proposal is overpromising by 13—20%.
Key Features for Oman
PPA and Financial Modeling
Oman’s C&I market is shifting toward PPA structures as cost-reflective tariffs make solar economics increasingly attractive. OPWP utility-scale projects use long-term PPAs with escalation clauses. Even Sahim II residential projects benefit from clear financial modeling showing net billing savings.
SurgePV’s financial modeling tools handle this range. Long-term PPAs with annual escalation (2—4% typical for Oman). Cash purchase analysis with payback and NPV. Sahim II net billing calculations. OMR currency throughout — no awkward USD-to-OMR conversions.
A C&I EPC proposing a 1 MW rooftop for a Sohar industrial facility can model the PPA at OMR 0.020/kWh, compare against the industrial tariff (OMR 0.025—0.035/kWh), and show the client OMR 500,000+ in lifetime savings. That proposal closes the deal — an Excel spreadsheet doesn’t.
Sahim II Net Billing Analysis
Sahim II enables residential and small commercial solar with net billing. Homeowners and businesses generate solar, consume what they need, and receive billing credits for excess exported to the grid.
SurgePV models Sahim II economics showing self-consumption ratios, export credits, and total electricity bill reduction in OMR. For a residential installation in Muscat — 10 kW system at 22 degrees latitude, consuming 80% of production — the proposal shows monthly bill reduction, payback period, and 25-year savings clearly.
Heat-Adjusted Production Estimates
Here’s where most proposal tools fail in Oman.
Generic software uses standard test conditions (25 degrees Celsius) for production estimates. Oman reality: module temperatures reach 75—85 degrees Celsius in summer. That’s 10—15% production loss from temperature derating. Add 4—6% soiling from desert dust. If your proposal doesn’t adjust for these factors, you’re over-promising production by 14—21%.
SurgePV’s simulation engine integrates temperature derating for Oman’s extreme heat and soiling loss modeling. The production number in your proposal reflects what the system actually produces — not what it would produce in standard conditions. That builds trust with Omani corporate and government buyers who will hold you to your projections.
Proposal Speed
SurgePV generates web-based proposals that are interactive and mobile-friendly. Your client in Muscat opens the link on their phone, explores financing scenarios, reviews heat-adjusted production, and shares with procurement — all without downloading PDFs.
Proposal generation takes 15—20 minutes from design completion. Compare that to 2—4 hours building a PPA model in Excel. At 20 proposals per month, that’s 30—60 hours saved monthly.
Mini Case Study
An Omani C&I EPC previously built proposals in Excel, manually copying production data from HelioScope and financial assumptions from internal templates. Each proposal took 3 hours. A temperature assumption error in one proposal used 25-degree standard conditions instead of Oman’s actual 45—50 degree summer ambient, overstating first-year production by 14%.
The client’s independent consultant flagged the discrepancy. After switching to SurgePV, proposals take 20 minutes, use heat-adjusted production from the actual design, and the credibility issue vanished. That EPC now wins deals on accuracy, not just price.
Note
Omani corporate and government buyers are increasingly sophisticated. International EPCs set the standard. An Excel spreadsheet proposal signals a small operation. A branded interactive web proposal with OMR-denominated ROI and heat-adjusted production signals a professional partner.
Pros and Cons
Pros:
- Design-Integrated Proposals: Production numbers, BOMs, and financial models pull from actual design. Zero manual data transfer errors.
- PPA Modeling: Long-term PPAs with escalation, cash analysis, Sahim II net billing — all in OMR. Critical for Oman’s growing solar market.
- Heat-Adjusted Production: Temperature derating and soiling loss modeling for Oman’s extreme conditions. Proposals show real-world production, not theoretical maximums.
- Speed: 15—20 minutes per proposal vs 2—4 hours Excel. At scale, that’s the difference between bidding on 20 projects or 8.
- Complete Workflow: Design + electrical engineering + simulation + proposals in one platform.
- Transparent Pricing: Starting at $1,299/user/year (~OMR 500), all features included.
Cons:
- Omani Tariff Pre-Load: AER rate schedules aren’t pre-loaded. Requires one-time manual input of tariff categories. Straightforward setup.
- Newer in Omani Market: Less brand recognition than PVsyst or Aurora. Feature set is complete; market presence is growing.
Pricing
| Plan | Price | Users |
|---|---|---|
| Individual Plan | $1,899/year (~OMR 731/year total) | 3 users |
| For 3 Users Plan | $1,499/user/year (~OMR 577/user/year) | 3 users |
| For 5 Users Plan | $1,299/user/year (~OMR 500/user/year) | 5 users |
| Enterprise | Custom pricing | Multiple |
Oman Cost Context: SurgePV includes design, electrical, simulation, and proposals. Aurora requires a separate subscription (~OMR 1,196/year Premium) and still doesn’t include SLD generation or Omani PPA depth. PVsyst (~OMR 508 one-time) is simulation-only with no proposal capabilities.
Who SurgePV Is Best For
- C&I EPCs: Teams producing 10—30 proposals per month for commercial, industrial, and government projects
- Sahim II Installers: Residential and small commercial teams needing fast, professional proposals
- PPA Developers: EPCs financing installations and selling power under PPA structures
- PDO Solar Developers: Oil sector teams proposing solar for field operations
- Government Project Bidders: EPCs bidding on institutional solar across Oman’s governorates
Not Ideal For: OPWP utility-scale bid teams requiring PVsyst-validated financial models for international lenders (PVsyst handles that validation).
Real-World Example
A mid-sized installer in Oman was losing C&I bids because proposals took 2—3 days to produce. After switching to SurgePV, proposal turnaround dropped to same-day delivery. The team closed 35% more deals in the first quarter — not because the proposals were fancier, but because they arrived before competitors could respond.
OpenSolar — Free Proposals, Limited Omani Features
OpenSolar offers free basic solar design and proposal tools — the most accessible entry point for new installers entering Oman’s Sahim II market.
For Oman, OpenSolar has meaningful limitations. No PPA modeling for commercial structures. No OMR currency support natively. No extreme heat production adjustment. No Sahim II net billing calculations. The platform was designed for Australian and North American residential markets.
Key Strengths:
- Free basic plan (lowest barrier to entry)
- Simple residential design and proposal workflow
- Transparent pricing
Oman Limitation: No PPA modeling. No Sahim II net billing. No OMR support. No heat-adjusted production for Oman’s extreme conditions. For professional proposals that close Omani deals, free doesn’t mean sufficient.
Best Use Case in Oman: New Sahim II installers with minimal capital building their business. Should upgrade as volume grows beyond 5—10 projects per month and C&I clients demand PPA modeling.
Pricing: Free basic plan; paid plans from ~$199/month
Aurora Solar — Polished Proposals, Missing Oman Financial Depth
Aurora Solar is the industry leader for residential solar proposals with polished, interactive output. The proposals are visually impressive and effective at closing deals in markets where the financial model is straightforward.
For Oman’s C&I and growing commercial market, Aurora’s financial engine falls short.
No Omani PPA modeling with escalation. USD-centric financial tools designed for American tax credits and net metering. No Sahim II net billing calculations. No Omani tariff database. No heat-adjusted production using actual Omani temperature profiles. For C&I proposals in Oman, you’ll supplement Aurora with Excel — defeating the purpose.
Key Strengths:
- Industry-best visual proposal design (impresses Omani corporate buyers)
- Fast AI roof modeling for residential Sahim II projects
- Strong CRM integrations
Oman Limitation: No Omani PPA modeling. USD-centric. No Sahim II net billing. No heat-adjusted production. For C&I proposals, Aurora requires significant Excel supplementation.
Best Use Case in Oman: Sahim II residential installers who prioritize visual presentation and have separate teams for financial modeling.
Pricing:
- Basic Plan: $159/user/month (~OMR 734/year)
- Premium Plan: $259/user/month (~OMR 1,196/year)
Energy Toolbase — Storage-Focused, US-Centric
Energy Toolbase excels at battery storage financial modeling. If your Omani project includes significant battery storage — data centers, remote oil operations, grid-edge commercial facilities — Energy Toolbase offers deep storage-specific financial analysis.
The limitation: built entirely for the US market. No Omani tariff database. No OMR currency. No Sahim II calculations. No PPA modeling for GCC contract structures. Manual configuration of everything Oman-specific.
Key Strengths:
- Best-in-class battery storage financial modeling
- Advanced demand charge analysis
- Detailed utility bill modeling
Oman Limitation: US-centric. No AER tariff support. No design integration. For standard solar proposals without battery storage, Energy Toolbase offers limited value in Oman.
Best Use Case in Oman: EPCs working on solar+storage projects for PDO oil operations, data centers, or commercial facilities where battery dispatch optimization drives the deal.
Pricing: ~OMR 800—1,500/year (varies by plan)
Read full Energy Toolbase review
Solargraf — Residential-Focused, Limited Oman Relevance
Solargraf (an Enphase company) provides residential solar proposal software for the North American market. Fast quoting and Enphase microinverter integration.
For Oman, Solargraf has minimal relevance. North American residential focus. No PPA modeling. No OMR support. No extreme heat adjustment. Not designed for GCC market conditions.
Key Strengths:
- Fast residential quoting
- Clean proposal output
- Enphase integration
Oman Limitation: North American focus. No Omani features. Not designed for GCC solar market.
Best Use Case in Oman: Very limited. Only for niche residential Enphase installations.
Pricing: Contact vendor (North American focus)
Best Solar Proposal Software Comparison Table for Oman
Key Takeaway
SurgePV is the only platform combining design-integrated PPA modeling, Sahim II net billing, heat-adjusted production, and OMR financial support. Aurora offers better visual proposals but lacks Omani financial depth. PVsyst produces bankable reports for lenders, not sales proposals.
| Feature | SurgePV | OpenSolar | Aurora Solar | Energy Toolbase | Solargraf |
|---|---|---|---|---|---|
| Best for | All-in-one | Free tier | Residential | Storage | Residential |
| Proposal generation | Yes (branded) | Yes (basic) | Yes (premium) | Limited | Yes |
| Financial modeling | Yes | Yes | Basic | Yes (advanced) | Basic |
| SLD generation | Yes (automated) | No | No | No | No |
| CRM integration | API | Built-in | Salesforce/HubSpot | API | Basic |
| Your Use Case | Best Software | Why | Alternative |
|---|---|---|---|
| High-volume residential installer | Aurora Solar or SurgePV | Aurora: best proposals. SurgePV: proposals + engineering | Solargraf |
| C&I EPC (100+ kW) | SurgePV | Integrated design + proposals + SLDs in one tool | HelioScope + PVsyst combo |
| Storage + solar specialist | Energy Toolbase | Best financial modeling for battery + solar | SurgePV for design integration |
| Projects requiring Oman lender financing | PVsyst or SurgePV | P50/P90 bankability reports accepted by lenders | HelioScope (some lenders) |
| Startup installer (<30 projects/year) | OpenSolar or SurgePV | OpenSolar: free entry. SurgePV: more features | Free tools + outsourced engineering |
What Makes the Best Solar Proposal Software in Oman
Oman’s proposal requirements differ from Western markets. No income tax for Omani entities. Subsidized residential tariffs compress solar ROI. Cost-reflective commercial tariffs create stronger economics. PPA structures for C&I are emerging. Here’s what matters:
1. PPA and Financial Modeling (Critical)
Oman’s C&I market is shifting toward PPA structures as cost-reflective tariffs make third-party financed solar attractive. OPWP utility projects use long-term PPAs. Sahim II residential projects use net billing economics.
Software Must: Model long-term PPAs with escalation in OMR, cash purchase with payback and NPV, Sahim II net billing, and tariff savings against specific AER rate categories.
Why It Matters: Accuracy in long-term financial projections directly affects deal credibility. A 1% escalation error over 25 years on a 5 MW PPA misstates total value by hundreds of thousands of OMR.
Further Reading
For a detailed breakdown of proposal features across major platforms, see our complete solar proposal software comparison.
2. Extreme Heat Production Accuracy
Generic tools overestimate production by 14—21% in Oman because they don’t model temperature derating (10—15% loss at 50-degree-plus ambient) and soiling (4—6% annual). Proposals built on inflated production destroy credibility when reality falls short.
Software Must: Use actual Omani temperature profiles and desert soiling factors. The number in your proposal must reflect Muscat’s summer heat, not standard test conditions.
Why It Matters: Omani corporate buyers are increasingly sophisticated. They compare proposals against independent estimates. If your production is 18% higher than an independent engineer’s assessment, you’ve lost the deal and your reputation.
3. Sahim II Net Billing Support
The Sahim II program enables rooftop solar with net billing for residential and small commercial customers. This is a new market in Oman, and professional proposals help homeowners understand the financial benefits.
Software Must: Calculate net billing economics showing self-consumption, export credits, monthly bill reduction, and payback in OMR.
4. Design Integration
Oman Pain Point: Manual data transfer from design tools to proposals is the top source of errors. An engineer designs in HelioScope, copies production to Excel, builds the financial model manually, and formats the proposal. That’s 4 opportunities for errors.
Software Must: Pull production, BOM, and system specs directly from the design. Zero manual copying.
5. Speed for Growing Market
Oman’s Vision 2040 pipeline is accelerating solar deployment. EPCs that deliver professional proposals faster capture more market share. At 15—25 proposals per month, the difference between 20-minute and 3-hour proposals is significant.
Generate Professional Solar Proposals in 15 Minutes
PPA modeling, Sahim II net billing, heat-adjusted production, OMR financials — all from your actual design data, no Excel required.
Book a DemoNo commitment required · 20 minutes · Live project walkthrough
How We Tested and Ranked These Tools
We evaluated each platform against Oman-specific proposal criteria:
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PPA and Financial Modeling (30% of score): Tested long-term PPA modeling with escalation in OMR. Verified Sahim II net billing support. Evaluated tariff category handling and financial projection accuracy.
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Heat-Adjusted Production (25% of score): Compared production estimates against measured data from operating Omani installations. Verified temperature derating for 50-degree-plus ambient. Tested soiling loss modeling against Solargis data.
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Proposal Quality (20% of score): Evaluated visual design, branding, interactivity, mobile responsiveness. Tested speed from design to proposal delivery.
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Design Integration (15% of score): Verified automated data flow vs manual transfer. Measured error risk. Tested BOM accuracy.
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Pricing and Value (10% of score): Calculated total cost in OMR including all required tools.
All testing conducted January—February 2026 with verified sources: vendor documentation, G2 and Capterra reviews, AER regulations, IRENA statistics, Solargis data, and hands-on testing with EPC teams in Oman.
Decision Shortcut
If you need integrated design + proposals in one platform, SurgePV is the most complete option. If you’re residential-only with a large marketing budget, Aurora Solar’s proposals are beautiful — but expensive. If you’re bootstrapping, OpenSolar’s free tier gets you started without financial risk.
Bottom Line: Best Solar Proposal Software for Oman
For C&I EPCs and PPA developers: SurgePV delivers the most complete proposal platform for Oman. Design-integrated PPA modeling, Sahim II net billing, heat-adjusted production, and professional OMR output — all at ~OMR 500/user/year. The 15—20 minute proposal generation (vs 2—4 hours Excel) means more bids and faster closes.
For Sahim II residential startups: OpenSolar offers free basic proposals to enter the market. Upgrade to SurgePV as volume and client sophistication grow.
For visual presentation impact: Aurora Solar leads proposal aesthetics. But its US-centric financial model doesn’t handle Omani PPA structures, Sahim II net billing, or heat-adjusted production. Supplement with Excel or choose SurgePV for the complete workflow.
For OPWP utility-scale financing: PVsyst produces bankable financial models for international lenders. Use SurgePV for client proposals + PVsyst for lender reports.
For solar+storage projects: Energy Toolbase provides deep battery financial analysis. Useful for PDO oil operations and commercial facilities. Not a primary proposal tool for standard solar projects.
Oman’s solar market is expanding under Vision 2040. Every GW of new capacity requires thousands of proposals. The EPCs winning contracts deliver professional, heat-adjusted, OMR-denominated proposals in 20 minutes — not 3 hours in Excel.
Book a demo to see how SurgePV generates professional proposals with PPA modeling, Sahim II net billing, heat-adjusted production, and OMR financials — from actual design data, in 15—20 minutes.
Further Reading
For global proposal tool comparison, see Best Solar Proposal Software (2026). For design tools in Oman, see Best Solar Design Software in Oman.
Frequently Asked Questions
What is the best solar proposal software in Oman?
SurgePV is the best solar proposal software for Oman’s market, combining design-integrated proposal generation with PPA modeling, Sahim II net billing, heat-adjusted production estimates, and OMR currency support at ~OMR 577/user/year (For 3 Users plan). The platform generates professional proposals in 15—20 minutes from actual design data.
For residential startups, OpenSolar offers free basic proposals. For visual quality, Aurora Solar leads but lacks Omani financial depth. For OPWP utility-scale financing, PVsyst provides bankable models.
Can solar proposal software model PPAs for Oman?
Yes. SurgePV models long-term PPAs with configurable escalation rates (2—4% typical for Oman), inflation adjustment, degradation curves, and payment structures in OMR. Energy Toolbase also models long-term financial scenarios but is US-centric.
For OPWP utility-scale PPAs, PVsyst provides gold-standard financial simulation. Recommended: SurgePV for the client-facing proposal, PVsyst for the lender-facing bankability report.
Which proposal software supports Oman’s Sahim II program?
SurgePV supports Sahim II net billing calculations, modeling self-consumption ratios, export credits, and monthly bill reduction in OMR. The platform handles residential and small commercial proposal generation for the Sahim II rooftop market.
Aurora Solar and OpenSolar lack Sahim II-specific financial modeling. For Sahim II proposals showing accurate ROI in OMR with heat-adjusted production, SurgePV is the most capable option.
How much does solar proposal software cost in Oman?
Costs range from free (OpenSolar basic) to ~OMR 1,500/year. SurgePV costs ~OMR 500—577/user/year with all features including design, electrical, simulation, and proposals. Aurora costs ~OMR 734—1,196/user/year (proposals without Omani financial depth). PVsyst costs ~OMR 508 one-time (financial simulation, no proposals). Energy Toolbase costs ~OMR 800—1,500/year.
For a 5-user Omani EPC sales team, SurgePV costs approximately OMR 2,500/year total. Using Aurora + AutoCAD + Excel exceeds OMR 9,830/year.
What should a solar proposal include in Oman?
A professional Omani solar proposal must include: system design with heat-adjusted production (temperature derating for 50-degree-plus summers, 4—6% soiling losses), financial analysis with PPA or cash options in OMR, tariff savings against the client’s AER rate category, Sahim II net billing credits (for eligible systems), 25-year projections with degradation, BOM with equipment specifications, and professional branded formatting.
For OPWP-adjacent projects: include bankability metrics and reference PVsyst validation if applicable.
Which software handles Oman’s extreme heat in proposals?
SurgePV and PVsyst model temperature derating for Oman’s 45—55 degree Celsius summers, which cause 10—15% module performance reduction. Both adjust production based on actual ambient temperatures rather than 25-degree standard test conditions.
Proposals built with generic temperature assumptions overstate Omani production by 14—21%. For a 1 MW C&I project, that translates to OMR 20,000—40,000 in overstated lifetime savings — enough to damage client trust when actual performance falls short.
Is there free solar proposal software for Oman?
OpenSolar offers free basic proposals but lacks Omani-specific features (Sahim II net billing, PPA modeling, heat-adjusted production, OMR currency). Excel is free but takes 2—4 hours per proposal. For Oman’s market where proposal accuracy affects credibility and contract value, paid platforms provide significantly more value.
SurgePV at ~OMR 500/user/year generates proposals in 15—20 minutes with integrated design data. The time savings justify the investment within the first month.
How fast can you generate a solar proposal in Oman?
With SurgePV, proposals take 15—20 minutes from design completion. Manual Excel workflows take 2—4 hours for C&I projects with PPA modeling. Aurora generates proposals in 20—30 minutes but requires separate financial modeling for Omani PPA structures.
At 20 proposals per month, the difference between 20-minute and 3-hour workflows is 46 recovered hours. For growing Omani EPCs competing for Vision 2040 contracts, that speed translates directly to more bids and more revenue.
Sources
- Oman Vision 2040 — https://www.oman2040.om — National renewable energy targets (accessed February 2026)
- OPWP - Oman Power and Water Procurement Company — https://www.omanpwp.om — Utility-scale procurement (accessed February 2026)
- AER - Authority for Electricity Regulation — https://www.aer-oman.org — Electricity regulation and tariffs (accessed February 2026)
- Sahim II - Rooftop Solar Program — https://sahim.om — Residential and commercial rooftop solar (accessed February 2026)
- PDO - Petroleum Development Oman — https://www.pdo.co.om — Solar for oil operations (accessed February 2026)
- IRENA - International Renewable Energy Agency — https://www.irena.org — Oman renewable statistics (accessed February 2026)
- Solargis - Solar Resource Data — https://solargis.com — Oman irradiance data (accessed February 2026)
- Aurora Solar Official Pricing — https://aurorasolar.com/pricing/ (accessed February 2026)
- PVsyst Official Shop — https://www.pvsyst.com/en/shop/ (accessed February 2026)