The installer toolbox

Size systems, design the electricals, price the job and prepare branded documents — free for Nigerian solar installers. The calculators work without an account; saved work, A4 previews and branded PDFs use a free account.

Browse tools Create a free account

Free Tools14

Categories6

AccountFree

Every tool

Search by name, or filter by stage of the job.

Design

4 tools

Load CalculatorTurn a list of appliances into peak load and daily energy.System SizerGo from load to a full engineered recommendation.Battery Runtime & Bank ConfigHow 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

2 tools

PV String DesignerPanels per string, checked against MPPT limits.PV & AC Protection SizingSize PV and AC breakers and surge protection.

Commercial

3 tools

Savings & PaybackShow what a system displaces in fuel and grid spend.Quote & BOM BuilderFrom system design to a priced, margin-aware quote.Documents GeneratorBranded proposals, quote cards and certificates.

Field

3 tools

Site SurveyCapture the job once, on site, on your phone.Commissioning ChecklistLeave site knowing nothing was missed.Roof PlannerLay out panels on a roof before you climb it.

Support

1 tool

Troubleshooting & ConfigLook up an error code and work the fault.

Reference

1 tool

Product Spec DatabaseSpecifications, comparisons and downloads.

Do the work once

Use the calculators free without signing in. Create a free account to save your work, preview A4 documents and download PDFs with your company branding. Follow our WhatsApp channel during setup for price updates and stock alerts.

No card and no trial: the calculators are free.
Work saves to your project so you can reopen it later.
Branded PDFs use the details you save once.
Specs and error codes are kept current by the Mishka team.

Start with the load calculator Create a free account

Frequently asked questions

Are the Mishka Energy installer tools free?

Yes. The calculators can be used free without signing in. A free account adds saved work, A4 previews and branded PDF exports, with no payment required.

Who are the tools for?

The toolbox is built for Nigerian solar installers, technicians, resellers and contractors, and for homeowners or businesses planning a solar system.

Do the tools work on a phone?

Yes. The calculators and documents are designed to work in a mobile browser on site as well as on a desktop.

Where does Mishka Energy operate?

Mishka Energy is based in Osogbo, Osun State, and supplies and installs solar systems anywhere in Nigeria, with priority service in Osun, Oyo, Lagos, Ogun and Kwara states.