Success Stories

Real results from real customers

See how leading companies are transforming their energy procurement with Otark.

Trusted by 350+ businesses

Case studies

Deals closed with Otark

DATEV IT-Campus
DATEV Logo
Software & IT Services

DATEV eG

As one of Europe's leading software and IT service providers, DATEV operates its own data centers with correspondingly high energy demand. By closing a regional PPA, DATEV has taken another important step towards a diversified, future-oriented energy procurement.

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L'Osteria Restaurant
L'Osteria Logo
Restaurant Chain

L'Osteria

From zero PPA experience to signed contract in under 3 months, covering 30%+ of electricity consumption with renewable energy.

30%+
PPA Coverage
4,546t
CO2 Reduction/Year
<3
Months to Close
Trusted partners
ENTEGA
Sunnic
GETenergy
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Solar park “Högenau”
Bayernwerk Natur · Bavaria
Voltaik Power
Electricity supplier · East Frisia
~1,400 households
Residential & small business customers
Electricity supplier · Households

Voltaik Power

Through a targeted tender on Otark, East Frisian electricity supplier Voltaik Power found a suitable solar power producer and signed a five-year PPA with Bayernwerk Natur 17 days after first getting to know each other.

17 days
from first introduction to signature
5 years
contract term from 01/01/2027
~1,400
households (annual consumption)
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Surfplanet — Rechenzentrum
Surfplanet Logo
Data center · Colocation

Surfplanet GmbH

Three days passed between the first contact with Otark and the first indications. The result was a new contract with STARQstrom at a price that beat every offer Surfplanet had obtained itself.

3 days
to the first indications
Best price
of all offers on the table
12 months
full supply from 01/01/2027
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STARQstrom — Solar- und Windpark
STARQstrom Logo
Energy supplier

STARQstrom GmbH

Wind meets sun: The young energy supplier STARQstrom strengthens the green-power supply for its mid-market customers and reaches a deal in record time via Otark.

10×
faster
95%
lower internal process costs
100%
traceable green power
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