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I will create a custom solar ROI savings calculator
Tinashe N
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About this gig
Clients get accurate, engineering-grade solar/BIPV/renewable energy tools web calculators, APIs & reports built to real standards (EN 1991, ASCE 7-22, IEC, NASA POWER, IRA/DSIRE).
Starter:
Basic web ROI calculator (ZIP/bill/system size payback, savings, 25-yr projection) + simple PDF report + basic API integration + responsive design + source code.
Standard:
Full web app with ROI, incentive stacking (up to 60%+ ITC), SREC pricing, EV integration (extra panels, fuel savings, CO) + professional PDF with charts/tables + customizable UI + API backend + deployment support + full source code.
Advanced:
Complete BIPV suite: structural loads (wind/dead, pressure equalisation, ULS, fixing forces) + energy yield (kWh, LCOE, NPV, IRR, CO) + advanced PDF with breakdowns + custom dashboard + ML optimization + full API suite + documentation + 1-month support + complete source code.
All tiers deliver traceable, auditable outputs no black-box. Tools ready for installers, facade engineers & developers to deploy immediately
Get to know Tinashe N
Tinashe N
Researcher in AIDriven Sustainable Engineering
- FromChina
- Member sinceMay 2023
Languages
English, Chinese
I build engineering-grade solar, BIPV & EV tools—not black-box calculators.
MEng Civil Engineering (structural focus) with ML research in BIPV optimization. Creator of 4 production APIs (solar ROI, incentives, SREC, EV integration) delivering accurate, auditable results.
I deliver:
• Custom solar/BIPV calculators (web/mobile)
• API integrations (incentives, SREC, grid data)
• ROI, energy yield & optimization tools
• PDF reports & lead-gen platforms
Trusted by installers & developers who need real numbers.
Message me to discuss your project 🚀
My Portfolio
FAQ
What do you need from me to get started?
Project details, target users, required features, preferred standards (EN/ASCE/IEC), and any reference tools or designs.
Can you customize the calculator for my country or regulations?
Yes, I can adapt calculations for local incentives, tariffs, and engineering standards
Will I get full source code and ownership?
Yes, all packages include full source code and documentation
Can you integrate this with my existing website or system?
Yes, I can integrate via API or embed the tool into your platform.
Do you provide support after delivery?
Yes, post-launch support is available as an add-on or included in higher tiers
