SolarWise Pro Solar Calculator

Solar sizing, ROI, payback & battery calculator. Offline. One-time unlock

Know Your Sun. Own Your Savings.

SolarWise Pro is the most complete offline solar calculator for Android — built for homeowners, installers, off-grid builders, and energy professionals.

WHY SOLARWISE PRO?

✔ 100% OFFLINE — Worldwide irradiance dataset (NASA SSE / PVGIS TMY) bundled in the app. No API keys.
✔ ONE-TIME PURCHASE — Unlock Pro forever. No subscriptions. No recurring charges. Ever.
✔ ALL-IN-ONE SUITE — Irradiance, sizing, ROI, battery, journal, comparisons, component DB, export & widget.
✔ MODERN DARK UI — Material Design 3 "Deep Space" theme. Clean and fast on any Android device.

FREE FEATURES

🌍 GPS Solar Irradiance — Auto-detect or enter coordinates. Monthly PSH & GHI from bundled offline dataset. 12-month chart, seasonal bands, temperature coefficient correction.

⚡ System Sizing — Enter appliances & daily usage. Get system size (kWp), daily/monthly/annual production & self-sufficiency %. Templates: Home, Apartment, Off-Grid Cabin, Small Business.

💰 ROI & Payback — Enter cost, bill & tariff. Get payback period, first-year savings & 25-year cumulative savings with year-by-year chart.

📐 Tilt & Orientation Optimizer — Yield factor for any tilt/azimuth. Optimal tilt suggestion with compass rose.

📊 Bill Savings Estimator — Monthly savings & break-even from bill, system size & tariff. Instant results.

🗂 Project Management — Up to 2 projects with location, notes & results. Attach 1 photo. Duplicate projects.

📄 PDF Export (watermarked) — Share via WhatsApp, email, Drive, or any app.

PRO FEATURES — ONE-TIME UNLOCK

🚀 Unlimited Projects & Photos
🚀 Clean PDF & CSV Export — no watermark
🚀 Historical Irradiance (2010–2024) — Best/Worst/Average year, P90/P50 values
🚀 Advanced Financial Modeling — NPV, IRR, LCOE, 30% tax credit, sensitivity analysis, 25-year cash flow table
🚀 Battery Sizing — Capacity (Ah/kWh), charge controller, replacement schedule for Lead-Acid, LiFePO4 & Li-Ion
🚀 Grid vs. Solar vs. Hybrid — 25-year cost, CO₂ avoided, payback & self-sufficiency side-by-side
🚀 Component Database — 500+ panels, 100+ inverters, 50+ batteries. Auto-fill sizing. Add custom items.
🚀 Bill Savings Journal — Log monthly bills & production. Track real vs. predicted savings. Export CSV.
🚀 Home Screen Widget (2×2) — Daily generation & monthly output. Tap to open.
🚀 Cloud Backup — Encrypted JSON backup via Firebase Storage.
🚀 No Ads

WHO IS IT FOR?

• Homeowners evaluating a solar investment
• Solar installers & consultants
• Off-grid & DIY solar builders
• Property managers & energy auditors
• Engineers & renewable energy students
• Small businesses going solar

Website: www.nexovia.cloud | Email: support@nexovia.cloud
SolarWise Pro is developed and maintained by Nexovia LLC.