Your off-grid solar command centre.
- Size your complete system — solar, battery, wiring and loads — with guided calculators and smart defaults.
- Track your build progress, get daily power briefings, and connect with a community of real builders.
The off-grid platform I wish I'd had.
Size your system from your real loads. Plan trips your battery can handle. Get answers from people who can see your exact build. Every tool talks to every other tool — about your setup, not a generic one.
Click the question to ask Watt — he knows your setup, your region, and your gear
One profile. Your loads, your components, your trips, your region — everything connected.
Builders from 8+ countries already using the platform
Stage 1 of 3
Dream It — See what's possible
Weeks off-grid. No generator. No anxiety.
Browse real community builds, trip reports, and costs. See what's possible with the right setup — and what goes wrong when it's wrong.
What's a realistic budget for a van solar setup?
Click to see Watt's answer
Can I run AC off solar in a tiny home?
Click to see Watt's answer
Stage 2 of 3
Build It — Size it right, build it safe
A system that fits — not a guess with 30% padding.
The only planner that knows your loads, your location's solar hours, your cable runs, and your local wiring regulations. Change one thing — the whole plan updates. Your cable run in Cairns is not the same as one in Cornwall.
What size battery do I actually need?
Click to see Watt's answer
Is 6mm cable safe for my 2000W inverter?
Click to see Watt's answer
Stage 3 of 3
Live It — Know before you go
Plan trips around your solar. Not just distance.
Trip planner checks every stop against your system's capacity. Campsite finder shows solar hours and builder reports. Morning briefings tell you if you're ready. And when something looks off, Watt notices before you do.
Will my system handle a week in the mountains?
Click to see Watt's answer
My battery drained fast last night — why?
Click to see Watt's answer
Start free. Use the tools before you commit.
Ask a question, browse community rigs, or build a full system plan — whatever feels right today. Deeper features unlock when you're ready.