Solar PV Calculator
The Solar PV Calculator uses declared design information to calculate solar-panel count, array size and indicative generation. Enter the real project inputs, review the result and download an Adelphos-branded PDF report.
Enter the known design inputs to calculate solar-panel count, array size and indicative generation.
Use the Solar PV Calculator immediately without signing in, review the protected Adelphos result, then download the branded PDF report.
Build this calculation in Chat and Adelphos will guide you through the required information, run the same protected engine and help you review the output.
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Free calculation. No sign-in. No selector journey.
This public calculator does not recommend a manufacturer, catalogue item or equipment model. It sends declared inputs to the protected Adelphos calculation service and never falls back to browser arithmetic.
No account or Adelphos project is required. No HTML report is offered. The downloadable report is the Adelphos-branded PDF returned by the protected report service.
How does the Solar PV Calculator work?
Enter usable roof dimensions, orientation, pitch, shading allowance, panel rating and location or irradiation information supported by the project survey.
What the Solar PV Calculator calculates
The Solar PV Calculator uses declared design information to calculate solar-panel count, array size and indicative generation. Enter the real project inputs, review the result and download an Adelphos-branded PDF report.
Design information you need
Enter usable roof dimensions, orientation, pitch, shading allowance, panel rating and location or irradiation information supported by the project survey.
Calculation result and PDF report
The result estimates panel quantity, array capacity in kWp and indicative generation for the declared roof and system assumptions. A successful calculation can also produce an Adelphos-branded PDF report.
Checks, limits and responsibility
This calculation is an aid, not a design approval. The user must verify every input, applicable standard, result and its suitability for the project.
How to use the Solar PV Calculator.
The calculation follows four clear stages: gather verified information, enter the design inputs, calculate, then review the returned checks and report.
1. Gather the source information
Enter usable roof dimensions, orientation, pitch, shading allowance, panel rating and location or irradiation information supported by the project survey.
2. Enter the design inputs
Use consistent units and declare every required assumption. This calculator does not silently replace missing required values with convenient engineering defaults.
3. Run the protected calculation
Submit the form to the Adelphos calculation service. The calculation performs no fallback arithmetic in the browser and returns only the public result needed for review.
4. Check the result before use
The result estimates panel quantity, array capacity in kWp and indicative generation for the declared roof and system assumptions. Check the result against the coordinated design, current project requirements and competent-person review.
Solar PV Calculator searches covered by this page
Toolbox research groups this page with related searches for pv calculator, pv panel calculator and solar pv sizing calculator. The sections above explain the common design basis, while the calculator uses the actual declared inputs rather than a chart-only or product-led answer.
The user is responsible for verifying all inputs, assumptions, standards, selections, outputs and suitability, and for obtaining competent-person review. Adelphos accepts no responsibility for decisions made using this calculation.
Solar PV Calculator questions and answers.
How many solar panels do i need?
Panel count depends on usable roof area, panel rating, orientation, pitch, shading, regional yield, system losses and the design objective. The calculator produces an indicative array from explicit inputs and does not recommend a panel or inverter.
What size pv system for my roof?
Measure the genuinely usable roof area and enter the proposed panel dimensions and rating, then apply sourced orientation, regional-yield and loss assumptions. Structural capacity, access, fire safety, network and electrical design remain separate checks.
What is Solar PV Calculator?
The Solar PV Calculator uses declared design information to calculate solar-panel count, array size and indicative generation. Enter the real project inputs, review the result and download an Adelphos-branded PDF report.
How do I use Solar PV Calculator?
Enter the known inputs and run the calculation directly on this page. No account, sign-in or Adelphos project is required; review the result and download the branded PDF report where available.
Can an AI agent use this through MCP?
Where the workflow exposes a named MCP tool, an authorised agent can submit the structured inputs and receive the same traceable result. Consequential outputs remain subject to user review.
Continue the Solar PV Calculator in Adelphos Chat.
Build it in Chat when you want guidance through the inputs, the same protected calculation engine and help reviewing the output before relying on it.
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