Customer Success Story
Offenburg / Hamburg / Frankfurt am MainFrom the first conversation to the signature: a structured process
e.optimum secures 76 GWh of German wind power from Encavis
Germany’s largest independent energy purchasing group and Hamburg-based renewable energy producer Encavis sign a two-year power purchase agreement (PPA) for German onshore wind farms.
We have a large network of PPA partners of our own. Through Otark, we got to know further providers in a short time, among them Encavis. It was important to us not simply to compare nominal prices, but to fairly assess the generation profiles behind them. With Encavis, we found a portfolio that fits exactly that, and the open contract points were resolved quickly and pragmatically.
Rising market, scarce volumes, high requirements
e.optimum supplies around 50,000 industrial and commercial customers with about 3 TWh of electricity per year and covers a growing share of it through PPAs. For delivery year 2027, the portfolio management team was looking for additional wind volumes, in a market environment in which forward prices rose significantly within a few weeks and providers were increasingly committing their 2027 volumes.
- Tight time window: rising Cal-27 prices and dwindling onshore wind volumes called for fast, robust decisions.
- Clear requirements profile: pay-as-forecasted, German onshore wind farms, short term.
- High standards for the assessment: no apples-to-oranges comparisons, but a fair assessment of the generation profiles behind every offer.
- Lean contracts: reviewable in-house, without weeks of external legal review.
Two teams, one timeline: from comparison to signature
- Structured comparison: e.optimum reviewed more than eight offers for delivery year 2027 on one assessment basis, with effective costs, capture rate and share of negative-price hours per generation profile, prepared via the Otark platform.
- Clear answers from a single source: Encavis answered questions on capture rate, portfolio allocation and the contract directly in-house, as producer and marketer at the same time.
- Pragmatic contract negotiation: a short, straightforward and clear contract; all comments were agreed within three days.
Two-year PPA with a strong-profile wind portfolio
Encavis won the award with a portfolio of German onshore wind farms: around 38 GWh per year for 2027 and 2028, around 76 GWh in total. The portfolio convinced not only on price, but above all on profile quality.
About six weeks passed from the two companies getting to know each other to the signed contract. The final contract alignment took three days, and the price was fixed on the day of signing.
In a rising market, speed determines volume and price. When a buyer knows exactly what they need, and a producer can answer contract and pricing questions directly from its own portfolio, market dynamics are no obstacle but a reason to decide clearly.
What the parties say
“It took three days from the annotated draft contract to readiness for signing. Thank you for resolving the open points so quickly and pragmatically. This is how we envision strategic energy procurement.”
“We are very pleased that we were able to close the PPA together successfully. The pragmatic approach and open conversations on both sides noticeably accelerated the alignment, from the first indication to the signature.”
“We are particularly pleased that, despite their own strong network, we were able to introduce e.optimum to further exciting suppliers. All in all, this was a fast and clean PPA process.”
The partners at a glance
e.optimum AG
Germany’s largest independent energy purchasing group, headquartered in Offenburg. Since 2009, e.optimum has pooled the demand of around 50,000 industrial and commercial customers and supplies around 3 TWh of electricity and almost 2 TWh of gas each year. Power purchase agreements (PPAs) are an established part of its strategic procurement and stabilize energy prices, which benefits customers directly.
Encavis Energy Solutions GmbH
Hamburg-based producer of renewable energy with more than 5 GW of installed wind and solar capacity in 13 European countries. Through its own trading and supply arm Encavis Energy Solutions, Encavis delivers electricity from its own portfolio directly to companies, as a PPA or full supply, including its own nomination and pass-through delivery during redispatch.
Otark GmbH
The energy platform for businesses, headquartered in Frankfurt am Main: green power directly from the producer, for every time horizon, settled by Otark. Otark connects electricity buyers with more than 200 providers, assesses all offers including generation profile and effective costs on one basis, and supports the process from the tender to the signature.
* Household equivalent: annual volume of 38 GWh at an annual consumption of 3,500 kWh per household. Contract and price details are not published.
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