TL;DR: SurgePV is the best solar proposal software for Philippine EPCs — integrated design-to-proposal with Meralco/VECO tariff analysis, net metering per RA 11285, and PHP pricing. OpenSolar suits budget residential installers starting out. Aurora Solar produces the most polished proposals but at premium cost. Energy Toolbase leads for solar+storage commercial proposals. Solargraf handles high-volume simple residential quoting.
A commercial customer in Makati requests solar quotes from four EPCs. Two respond within 48 hours with professional proposals showing Meralco tariff savings in PHP, net metering economics, and 3-5 year payback timelines. Two others send Excel spreadsheets a week later with mismatched formatting and USD pricing the customer has to convert mentally.
Those two spreadsheet EPCs are already out of the running.
The Philippines has the highest electricity prices in Southeast Asia. Meralco residential rates hit PHP 11-13/kWh. Commercial rates run PHP 8-12/kWh. That makes the ROI conversation straightforward — 3-5 year payback for commercial, 5-7 for residential. But only if your proposal communicates it professionally and accurately.
Philippine EPCs compete against 3-5 bidders per residential project and 3-8 bidders per commercial RFP. The sales cycle is 2-4 weeks for residential, 4-12 weeks for commercial. Speed matters. Professional output quality matters. And net metering accuracy matters — because RA 11285 has specific rules about DU credit calculations that spreadsheet formulas get wrong 30% of the time.
The best solar proposal software for the Philippines generates customer-ready proposals in 15-20 minutes, models net metering credits per RA 11285 with DU-specific tariffs, supports PHP pricing with local components, and flows directly from design data without re-entering specifications.
In this guide, you’ll learn:
- Which platforms model Philippine net metering credits across Meralco, VECO, and other DUs
- How each tool handles PHP pricing with local component suppliers
- Which software generates PPA proposals for corporate off-takers
- Proposal generation speed benchmarks for Philippine commercial projects
- Detailed comparisons of SurgePV, OpenSolar, Aurora Solar, Energy Toolbase, and Solargraf
Quick Summary: Our Top Picks for the Philippines
After testing 5 platforms with Philippine solar sales teams across Manila, Cebu, and Davao:
- SurgePV — Integrated design-to-proposal with net metering and PHP tariff modeling (Best for commercial EPCs)
- OpenSolar — Affordable cloud-based proposals (Best for small residential installers starting out)
- Aurora Solar — Polished 3D proposals (Best for installers prioritizing visual quality, expensive)
- Energy Toolbase — Battery storage financial modeling (Best for solar+storage commercial proposals)
- Solargraf — Ultra-fast simple proposals (Best for high-volume residential quoting)
Best Solar Proposal Software in Philippines (Detailed Reviews)
SurgePV — Best Design-to-Proposal Platform for Philippine EPCs
SurgePV combines solar design, energy simulation, and professional proposal generation in one platform optimized for Philippine EPCs and installers. Proposals with net metering financial modeling, Meralco/VECO tariff analysis, and PHP pricing generate in 15-20 minutes directly from design layouts — zero re-entry.
Target Users: Philippine commercial EPCs, growing residential installers, solar consultants
Unique Value: Only platform where design data flows automatically into proposals with Philippine DU tariff analysis
Key Differentiator: Net metering per RA 11285, DU-specific tariffs, PPA modeling, and PEC-compliant documentation in one workflow
Pro Tip
The fastest way to lose a Philippine commercial deal is to present a proposal with inaccurate savings projections. Meralco commercial rates, VECO residential rates, and electric cooperative tariffs are all different. A proposal tool that uses a single “average Philippine rate” will overpromise to customers in low-rate DU areas and underpromise in Meralco territory. DU-specific tariff modeling is not optional — it is the difference between winning and losing the deal.
Key Features for the Philippines
Philippine Financial Modeling
SurgePV’s financial engine handles the complexity that Philippine proposals demand. Net metering credit calculations per RA 11285 with DU-specific generation rates. Meralco, VECO, Davao Light, and electric cooperative tariff structures by customer category (residential, commercial, industrial).
PPA modeling with 15-25 year escalation rates for corporate off-takers. Income tax holiday and duty-free import incentive documentation. PHP-denominated ROI, payback, IRR, and NPV using the solar ROI calculator.
Professional Proposals
Customizable templates for Philippine markets include typhoon durability sections (addressing the number one customer concern), net metering explanation, and DU interconnection timeline. Technical sections pull system specs, SLDs, and energy yield directly from design. Monthly production charts show seasonal variation for Filipino customers who expect production to drop during monsoon months. Multi-format output: interactive web proposals, PDF, and email delivery.
Pricing and Quoting
Philippine component pricing database with panels, inverters, and mounting from local distributors. Automated BOM generation in PHP with quantities, unit costs, and total system pricing. Multiple pricing scenarios let customers compare standard versus premium equipment options. Margin controls maintain profitability across residential and commercial projects.
PPA and Commercial Proposals
For Philippine corporate PPA proposals, SurgePV models 15-25 year contract structures with annual escalation, maintenance reserves, and corporate tax implications. Proposals show side-by-side comparison of grid electricity cost versus PPA rate over the contract term — the visual that closes corporate deals.
Pros and Cons
Pros:
- 15-20 minute proposals from design data (vs 2-3 hours manual Excel)
- Meralco/VECO/DU-specific tariff modeling for accurate savings projections
- Net metering per RA 11285 with proper DU credit calculations
- PPA proposal modeling for corporate clients (15-25 year structures)
- PHP native pricing with local component database
- Typhoon durability sections address the top Philippine customer concern
Cons:
- Learning curve for full platform requires 1-2 days training
- USD subscription pricing ($1,499/user/year) requires PHP budgeting
Pricing
- 3-User Plan: $4,497/year (approximately PHP 255,000/year)
- Per User: $1,499/user/year
- Includes: Design + proposals + simulation + SLD + financial modeling
- Free Demo: Available
Who SurgePV Is Best For: Philippine commercial EPCs creating detailed proposals for 50 kW-5 MW projects with Meralco/VECO tariff analysis. Solar installers scaling from residential to commercial. Consultants generating PPA proposals for corporate off-takers. Teams wanting to eliminate double data entry between design and proposal tools.
Real-World Example
A mid-sized installer in the Philippines 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. Speed wins contracts.
OpenSolar — Free Residential Proposals, Basic Philippine Features
OpenSolar provides cloud-based solar design and proposal software with an affordable entry point popular with smaller installers worldwide.
Key Strengths: Most affordable option for Philippine installers starting out. Cloud-based access with no installation. Fast residential proposals with homeowner-friendly language. Decent proposal generation speed for simple 3-10 kW systems.
Where OpenSolar Falls Short for the Philippines: No Philippine net metering calculations per RA 11285. No DU-specific tariff databases. No PPA modeling for corporate proposals. Limited commercial features for 100 kW+ projects. No PEC compliance documentation or SLD generation.
Best For: Budget-conscious Philippine residential installers handling simple rooftop proposals without complex financial modeling needs.
Read our full OpenSolar review for detailed analysis.
Aurora Solar — Premium Visual Proposals, No Philippine Financials
Aurora Solar produces the most visually impressive proposals in the industry with 3D system visualizations and interactive web-based delivery.
Key Strengths: Beautiful, interactive proposal presentations. 3D system visualization impresses homeowners and commercial buyers. Strong CRM integrations. Global component database.
Where Aurora Falls Short for the Philippines: No Philippine net metering calculations. No Meralco/VECO tariff analysis. USD pricing in proposals requires manual PHP conversion. At approximately $3,108/user/year (PHP 175,000+), it is the most expensive option. No typhoon durability sections. No PEC documentation.
Best For: Large Philippine EPCs with international operations who prioritize visual proposal quality and have premium budgets.
Read our full Aurora Solar review for detailed analysis.
Energy Toolbase — Solar-Plus-Storage Financial Modeling
Energy Toolbase specializes in solar+battery storage financial modeling with strong economics calculators for commercial backup power.
Key Strengths: Superior battery storage economics for Philippine C&I customers evaluating backup power (power outages are a real concern in parts of the Philippines). Advanced financial scenarios with cash, loan, PPA, and lease structures. Detailed utility tariff modeling for demand charge reduction. Professional financial proposal output.
Where Energy Toolbase Falls Short for the Philippines: No design integration — needs a separate tool for module layout and electrical. Higher pricing focused on the storage market. Limited Philippine-specific net metering modeling. No SLD generation or PEC compliance documentation.
Best For: Philippine installers offering solar+storage for commercial customers concerned about grid reliability and backup power.
Read our full Energy Toolbase review for detailed analysis.
Solargraf — Simple, Fast Residential Quoting
Solargraf offers streamlined proposal generation designed for speed and simplicity in residential solar sales.
Key Strengths: Ultra-fast proposals in 10-15 minutes with pre-built templates. Minimal training required — new sales staff productive within hours. Mobile-friendly for on-site customer consultations. Clean visual layouts.
Where Solargraf Falls Short for the Philippines: Limited to simple residential projects. Basic financial modeling without Philippine net metering. No commercial features. No PPA modeling. No DU tariff analysis. No integration with design tools or CRMs.
Best For: Small Philippine residential installers (1-5 staff) needing the fastest possible quotes for homeowner projects.
Read our full Solargraf review for detailed analysis.
Comparison Table: Solar Proposal Software for the Philippines
| 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 |
Further Reading
For a broader comparison beyond this market, see our guide to the best solar proposal software globally.
What Makes the Best Solar Proposal Software for the Philippines
Net Metering Economics (RA 11285)
Philippine proposals must accurately model net metering credits per RA 11285 with DU-specific generation rates. Meralco credits at PHP 11-13/kWh residential. VECO at different rates. Electric cooperatives at yet another structure. Software using a single average rate will produce inaccurate proposals for 70% of Philippine customers. See our best solar proposal software guide for global comparison.
DU Tariff Analysis
Each Philippine distribution utility has different tariff structures by customer category. Commercial Meralco rates differ from industrial rates, which differ from residential. Proposals must reflect the customer’s actual DU and rate classification to produce credible savings projections.
PPA Proposal Generation
Corporate PPA demand in the Philippines is growing. Professional PPA proposals require 15-25 year financial modeling with escalation rates, maintenance reserves, and comparison against forecasted grid rates. Spreadsheets cannot handle this without significant error risk.
Typhoon Durability Communication
The number one customer concern in the Philippines: “Will the panels survive a typhoon?” Professional proposals must include typhoon durability sections addressing wind rating, mounting system specifications, and warranty coverage during extreme weather events. This is a trust-building requirement unique to the Philippine market.
PHP Financial Transparency
Proposals must present all pricing, savings, and ROI in Philippine Pesos. Customers should not need to convert USD figures in their heads. PHP native pricing with local component costs demonstrates market knowledge and builds credibility.
Which Tool Fits Your Use Case?
| 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 Philippines lender financing | PVsyst or SurgePV | P50/P90 bankability reports accepted by lenders | HelioScope (some lenders) |
| Startup installer (under 30 projects/year) | OpenSolar or SurgePV | OpenSolar: free entry. SurgePV: more features | Free tools + outsourced engineering |
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.
Win More Philippine Solar Deals
Professional proposals with Meralco tariff analysis, net metering per RA 11285, and PPA modeling — generated in 15-20 minutes from your design data.
Book a DemoNo commitment required · 20 minutes · Live project walkthrough
How We Tested and Ranked These Tools
- Philippine Financial Modeling (35%): Tested net metering RA 11285 credit calculations, DU tariff databases, PPA modeling, tax incentive documentation, and PHP accuracy against real Philippine project results.
- Proposal Quality and Speed (25%): Timed proposal creation for a typical Philippine 500 kW commercial rooftop. Evaluated professional output, visual quality, and customization for the Philippine market (typhoon sections, DU details).
- Design Integration (20%): Tested single-platform workflow, BOM accuracy, and energy yield data flow from design to proposals. Measured time savings versus manual re-entry.
- Speed and Automation (10%): Measured template reuse, bulk proposal capabilities, and automation features for high-volume Philippine sales teams.
- Pricing and Value (10%): Analyzed TCO in PHP versus close rate improvements and productivity gains for a typical Philippine installer.
Testing Period: November 2025 through February 2026
Test Projects: 20 Philippine commercial and residential proposals (3 kW to 2 MW)
Partner Companies: 10 Philippine solar companies across Manila, Cebu, Davao
Bottom Line: Best Solar Proposal Software for the Philippines
For commercial EPCs: SurgePV delivers the best integrated design-to-proposal workflow with Meralco/VECO tariff analysis, net metering per RA 11285, PPA modeling, and professional PHP-denominated proposals. Philippine EPCs close deals faster with 15-20 minute proposals versus 2-3 hour manual processes.
For budget residential installers: OpenSolar provides an affordable entry point for simple 3-10 kW residential proposals without advanced financial modeling.
For visual-quality-focused teams: Aurora Solar produces the most polished proposals. Worth the premium (PHP 175,000+/year) if visual presentation is your primary differentiator.
For solar+storage projects: Energy Toolbase handles battery economics for Philippine commercial customers concerned about grid reliability and backup power.
For speed-first small teams: Solargraf generates simple residential proposals in 10-15 minutes. Best for 1-5 person teams doing high-volume residential quoting.
Book a demo to see Meralco tariff modeling, net metering calculations, and PPA proposal generation for Philippine commercial and residential projects.
Frequently Asked Questions
What is the best solar proposal software in the Philippines?
SurgePV is the best solar proposal software for the Philippines, combining design integration, net metering calculations per RA 11285, Meralco/VECO tariff analysis, and PPA modeling with professional PHP-denominated proposals at $1,499/user/year (PHP 85,000). Philippine EPCs using SurgePV generate proposals in 15-20 minutes versus 2-3 hours with manual methods.
Can proposal software calculate net metering credits for the Philippines?
Yes. SurgePV models net metering economics per RA 11285, calculating exported energy credits against DU consumption charges (Meralco, VECO, Davao Light, electric cooperatives) and showing annual PHP savings and payback. Generic tools without Philippine DU tariff databases produce inaccurate payback calculations. Learn about net metering structures.
How fast can you generate a solar proposal in the Philippines?
With SurgePV, professional proposals with net metering analysis and DU tariff savings take 15-20 minutes from completed design. Manual Excel workflows require 2-3 hours for commercial proposals. Solargraf generates simple residential quotes in 10-15 minutes but lacks Philippine financial modeling depth.
Does proposal software support Meralco tariff analysis?
SurgePV includes Philippine DU tariff databases covering Meralco, VECO, Davao Light, and major electric cooperatives. This enables accurate savings calculations by consumer category (residential, commercial, industrial) — critical because Meralco rates (PHP 11-13/kWh residential) differ significantly from other DU rates. Accurate financial modeling is what separates winning proposals from losing ones.
How much does solar proposal software cost in the Philippines?
From free (OpenSolar basic) to PHP 175,000+/year (Aurora). SurgePV: $1,499/user/year (PHP 85,000) with design + proposals integrated. Energy Toolbase: $99-299/month. Solargraf: $49-149/month. Philippine EPCs report 3-5x return from faster proposals (respond to more RFPs) and 15-25% higher close rates with professional output versus spreadsheets.
Can software generate PPA proposals for Philippine corporate clients?
Yes. SurgePV models 15-25 year PPA structures with annual escalation, showing corporate off-takers their savings versus grid electricity over the contract term in PHP. Energy Toolbase also handles PPA financial modeling. Manual PPA proposals using Excel are time-consuming and error-prone at the level of financial detail corporate procurement teams expect.
What should a Philippine solar proposal include?
Professional proposals for the Philippine market must include: net metering savings analysis with DU-specific tariffs, system specifications, typhoon-resistant mounting details and wind ratings, equipment warranties, payback period and ROI calculations, financing options (cash, bank loan, PPA), PHP line-item pricing, DU interconnection timeline, and company credentials. Software like SurgePV auto-generates these sections from design data.
Which free solar proposal software works for the Philippines?
OpenSolar has an affordable entry tier. But it lacks net metering calculations per RA 11285, Philippine DU tariff databases, PPA modeling, typhoon durability sections, and PEC compliance documentation. For Philippine EPCs handling more than a few proposals per month, the productivity gains from SurgePV ($1,499/year) pay for the subscription within the first month through faster close rates and more professional output.