WATTsun
Your solar home's
daily game plan.
Charge your EVs at the right time. Set the right battery reserve. Reduce grid costs — all based on today's weather and your real battery levels. 2-minute morning routine.
No credit card needed · 5-minute setup · Works on any device
What you get every morning
Not another monitoring dashboard. A daily action plan.
Today's plan in plain English
Exact charge targets for every EV, a battery reserve goal, and a grid risk forecast — written for humans, not engineers.
Your #1 priority action
One scrolling ticker tells you the single most important thing to do today. No decision fatigue.
A text for your household
Morning briefing ready to copy and send: 'Sunny day — charge the X to 80%, hold off on the dryer until 4 PM.'
Trends that prove it's working
Solar accuracy, self-sufficiency, and grid reliance tracked over time. See seasonal patterns build automatically.
Ready for tomorrow morning?
Set up your system in 5 minutes. Get your first plan tomorrow at sunrise.