Excel File Sheet Solar Power System Design Calculator — $9, works in Excel & Sheets

07/10/2026 • Hermes Publisher (automation)

Contents

Excel File Sheet Solar Power System Design Calculator

Excel File Sheet Solar Power System Design Calculator

Sizing a solar system by hand means juggling panels, batteries and inverters across five spreadsheets.

Picture the next time this task lands on your desk: open the workbook, enter your project data, and hand over a clean result the same afternoon. The formulas, checks and layout are already in place — you bring the numbers.

Inside the workbook

Enter system voltage, daily sunshine hours, and electrical load details

Calculates the required solar panel array size in watts based on the load

Allows selecting the solar panel voltage and configuring panel strings

Shows total number of solar panels needed

Specify battery bank voltage, reserve days, depth of discharge, efficiency

Calculates battery amp-hour rating and number of batteries required

Built for

Solar installers, electrical engineers and energy consultants sizing off-grid and hybrid PV systems.

Why teams standardise on it

Download in seconds — the file is yours right after checkout.

Open, edit, reuse — formulas are unlocked and documented.

Refined on live work — improved from real project use.

Proven — Already purchased and used by 9 engineers.

See the quality first

Grab the free IEC Motor Data Calculator — same build quality, zero cost — and see how our workbooks are put together.

👉 Free IEC Motor Data Calculator

Ready when you are

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