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To make the most of the advantages of renewable energies and minimize the drawbacks of these unpredictable sources, we need to combine different renewable energies at a single location. Green Wind applies its vast experience to combine wind turbines and solar-power plants into energy farms in an effective manner. In these energy farms, we can add up the generation times of the two sources and achieve much greater coverage in the course of the year. With an intelligent combination of different technologies, we can enable a full, safe, and green supply of carbon-free electricity – the basis for a successful integrated energy system.

Wind turbines

Green Wind has been part of a sector for over ten years that has advocated the generation of wind power. Half of all generated renewable energy in Germany’s gross electricity consumption now comes from wind turbines. At the current stage of the energy transition (2020), this is more than a quarter of all generated electricity. Green Wind has focused on expanding wind farms in Brandenburg, northern Germany, and Denmark, and provides single-source solutions from initial location advice to maintenance. Our largest onshore project to date, with 48.3 MW, was constructed in Vormark, Brandenburg. The first wind-farm project in Denmark was connected to the grid in 2021, and further turbines have already been approved. In total, 33 wind turbines have been completed so far, and 15 more are in the approval or construction phase (as at mid-2021).


In Germany, around 20 percent of renewable energy in the gross electricity consumption is generated from solar-power plants. At the current stage of the energy transition (2020), that is approx. 10 percent of all generated electricity. That is nowhere near enough for a climate-neutral future. To us, wind and solar are the two most important energy sources in the development of energy farms. Green Wind develops intelligent combinations with the goal of getting the best out of an overall project. This also includes involving all local stakeholders. The aim is to achieve a turnkey renewable-energy plant with the greatest possible efficiency.

Power purchase agreements

As the energy transition progresses, direct electricity-supply agreements are becoming increasingly important, including as a supplement to energy farms.

Instead of overdimensioning the generation and use of expensive storage systems, green-electricity power purchase agreements (PPA) are a good way of guaranteeing supply security for continuous demand.

A PPA is a bilateral agreement between an individual or a legal entity and an electricity producer for the purchase of energy. In other words, it is an electricity-supply agreement that can be structured in any contractual form.

With Green Wind Innovation, we supplement the energy farm with suitable PPAs on request in order to ensure that the integrated energy system is supplied with green electricity. The contractual freedom means that everything is possible with a PPA. To explore the existing opportunities and get the best from all options, we combine our sector experience with fresh academic knowledge and meet all requirements for every integrated energy system.

Regular PPA content includes quantities of electricity to be supplied, purchase prices, agreement duration, electricity purchase intervals, and regulations on liability for unforeseen events.

PPAs are often offered for reliable and predictable marketing of large quantities of energy from renewable-energy projects with substantial capital expenditure.

Of all the various types of agreement, we prefer real-time PPAs. Despite the open agreement structure, different types are more common and have their own designations.

Real-time PPAs are characterized by the effective use of fluctuating renewable energies. With a real-time PPA, it is possible to purchase green electricity from the grid locally and independently alongside generation in a balancing authority.