Secure best prices: reach 200+ suppliers with a single request.
Your additional sales channel: bid directly on real demand.
Which green power mix fits your consumption? Find out for free.
Tender once, compare offers from 200+ vetted sellers, close digitally.
Standardized solar & wind PPAs, closed in under 60 minutes.
Physical delivery incl. GOs, trade quarter-hourly for tomorrow (day-ahead).
Guarantees of origin per quarter-hour, with verifiable asset link.
Delivery, balancing group, GoO transfer, billing: Otark handles it.
Mission and the people behind Otark.
Open roles and how we work.
How to reach us.
Tell us about your project — we usually reply within one business day.
Otark GmbH
Bockenheimer Landstraße 2-4
60306 Frankfurt am Main
Germany
+49 (69) 950 640 100
Mon–Fri, 9am–6pm CET
mail@otark.com
Book a 30-minute demo and we will walk you through Otark.
