Solar system planning and sizing

What’s included

The best solar system isn’t one-size-fits-all. It depends on your usage, roof space and priorities — savings, EV charging, backup, export or future expansion. We help you understand sizing logic and component trade-offs so you can request the right scope and compare quotes fairly.

Usage and goals review (savings, EV charging, backup, export)
System sizing guidance and common pitfalls
Panel and inverter options explained in plain language
Battery suitability and trade-offs
Future expansion considerations (EV, battery later, add panels)
Installer brief you can send to request consistent quotes
Scope checklist to make comparisons like-for-like
Clear next-step plan for quotes and decisions

Benefits

Right-sized system

Avoid over- or under-sizing by aligning to your goals.

Cleaner comparisons

Get consistent quote scope so comparisons are straightforward.

Future-ready

Plan for batteries or EV charging without expensive rework later.

Our process

Share goals and usage

Tell us what you want solar to do and any usage info you have.

We map options

We outline sizing factors and a recommended scope for quotes.

You get a brief

Use it to request like-for-like installer quotes.

Get A Quote Today

Frequently asked questions

Not always. It depends on your goals and usage patterns — we’ll explain the trade-offs.

Can you size the system exactly?

Yes. A clear brief helps installers quote the same scope and assumptions.

Yes. We cover key considerations to support future EV needs.

Your goals and any usage details you have. If you already have quotes, share them too.

You request quotes using the brief, then we can review them like-for-like.

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Services

Contact info

400 Broad St, Seattle, WA 98109
info@plumbify.com
+1 (605) 475 6968