The installer toolbox

Size systems, design the electricals, price the job, prepare branded documents, and run your business — client book, jobs, finance and after-sales support — free for Nigerian solar installers.

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Free Tools14

Categories6

AccountFree

Design

Load Calculator

Turn a list of appliances into peak load and daily energy.

System Sizer

Go from load to a full engineered recommendation.

Battery Runtime & Bank Config

How long will this bank last, and how do I wire it?

Can It Run This?

Check a load against an inverter before you commit.

Electrical

PV String Designer

Panels per string, checked against MPPT limits.

Cable & Protection Sizing

The right cable, voltage drop and protection, every time.

Commercial

Savings & Payback

Show what a system displaces in fuel and grid spend.

Quote & BOM Builder

From system design to a priced, margin-aware quote.

Documents Generator

Branded proposals, quote cards and certificates.

Field

Site Survey

Capture the job once, on site, on your phone.

Commissioning Checklist

Leave site knowing nothing was missed.

Roof Planner

Lay out panels on a roof before you climb it.

Support

Troubleshooting & Config

Look up an error code and work the fault.

Reference

Product Spec Database

Specifications, comparisons and downloads.

Do the work once

Every tool works on its own. Create a free account when you want to save a project, download a document, or carry your numbers from one tool to the next.

Start with the load calculator Create a free account