Know your solar production days ahead – at a glance, like checking the weather.
Accurate forecasts for up to 7 days. Plan your energy use before the sun rises.
See how clouds, rain, and snow affect your production – hour by hour.
Enter any location and get forecasts immediately. No hardware setup required.
"I've tried many solutions [...] – but nothing was as accurate as pvnode."
GitHub User
"I use the pvnode API with Home Assistant. The precision is impressive – I can keep my battery SOC in the optimal range much longer."
Developer
Home Assistant User
"Big kudos to pvnode! I've tried a few forecasts, but what these guys deliver is more than top notch!"
GitHub User
Sign up in seconds – no credit card required.
Enter your location and basic system details.
See your expected production for the coming days.
Most solar forecasts for homeowners are rough estimates. The really accurate models? Reserved for large solar parks at premium prices.
Over 85% of all solar systems in Germany are small rooftop installations under 20 kW – yet most forecast providers don't serve them. Wanana brings professional-grade forecasting to every system, no matter the size. You just won't notice the complexity – because we designed it to stay out of your way.
For getting started
Billed as 35,88€ / year
*Not available at all locations worldwide
Get PlusPrices include VAT. Cancel anytime.
Wanana is Hawaiian for forecast.
We're Achim and Darwin – the entire team behind Wanana. Together we bring over 20 years of experience in solar energy research and performance modeling.
We built Wanana because precise solar forecasts were locked behind enterprise APIs and enterprise pricing. We wanted to change that.