Maximum cost savings with 100% green electricity

Add dynamic tariffs to your systems now.

  • Up to €35 discount or €500 off your annual bill
  • Sustainability with 100% green electricity from renewable sources
  • Available for every household throughout Germany
Secure a €35
bonus now
A family of four stands happily in front of their solar-covered house in the countryside.

Dynamic pricing
and attractive offers

Ostrom and Bullfinch are combining their expertise to deliver significant benefits to our customers and drive the energy transition forward together
With dynamic pricing, Ostrom creates direct profitability for consumers from their own solar energy yield.
  • Green electricity at cost price: fixed monthly fee from €6, with no hidden margins.
  • Use the app to manage your electricity budget and optimize your electricity consumption.
  • Register in just 5 minutes - the Ostrom team will then take care of everything else.
Bullfinch offers attractive deals for photovoltaic systems that make the investment particularly worthwhile. By working together, we are strengthening our commitment to a sustainable energy future.
  • Attractive financing options for solar, battery, heat pump and wallbox.
  • Directly from your trusted local electrician!
  • Convenient financing within 10 minutes.
With Bullfinch you can finance your solar or storage system directly with your trusted installer in just 10 minutes!