Trianel Onshore Windkraftwerk Eisleben GmbH & Co. KG
A Trianel project company operating an onshore wind farm in Eisleben, Germany, within the Trianel Erneuerbare Energien (TEE) municipal-utility cooperation.
Last updated September 27, 2026
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Overview
Trianel Onshore Windkraftwerk Eisleben GmbH & Co. KG is a German project company within the Trianel group, the Aachen-based cooperation of municipal utilities (Stadtwerke) and regional energy suppliers. The entity is a special-purpose vehicle for an onshore wind farm located at Eisleben in Saxony-Anhalt, and it sits inside the Trianel Erneuerbare Energien (TEE) platform, which bundles the renewable-energy interests of the participating municipal utilities. Trianel's renewable-energy business allows Stadtwerke to take stakes in attractive generation projects and thereby build up their own renewable portfolios. Through this cooperative model, onshore and offshore wind farms as well as ground-mounted photovoltaic plants have been developed "by municipal utilities for municipal utilities and citizens." The Eisleben project company is one of the onshore wind vehicles in this structure, alongside the broader Trianel Onshore Windkraftwerke (TOW) grouping and the offshore vehicles Trianel Windkraftwerk Borkum (TWB) and Trianel Windkraftwerk Borkum II (TWB II). The company is a private, non-listed limited partnership (GmbH & Co. KG) and is not itself a publicly traded entity. Its commercial purpose is the development, construction, financing and operation of an onshore wind power plant, with the electricity fed into the German grid as part of the country's Energiewende. Because it is a project company, its public profile is low; it appears mainly in Trianel's renewable-energy communications and in corporate registries rather than in consumer-facing marketing. For the brand knowledge base, the entity is best understood as a sub-brand or project vehicle of the Trianel Erneuerbare Energien umbrella rather than a standalone consumer brand. Its identity is tied to the Trianel name, the municipal-utility ownership model, and the specific onshore wind asset at Eisleben.
History
Trianel Onshore Windkraftwerk Eisleben GmbH & Co. KG is a project company formed within the Trianel group, a cooperation of German municipal utilities and regional energy suppliers headquartered in Aachen. Trianel's renewable-energy activities are organized under Trianel Erneuerbare Energien (TEE), which bundles the shared interests of participating Stadtwerke and enables them to invest in generation projects and expand their own renewable portfolios. The Eisleben entity belongs to the onshore wind segment of this structure. Trianel's renewable-energy platform has produced onshore and offshore wind farms as well as ground-mounted photovoltaic plants, developed cooperatively "by municipal utilities for municipal utilities and citizens." Within the group, the onshore wind activities are associated with the Trianel Onshore Windkraftwerke (TOW) grouping, while offshore wind is represented by Trianel Windkraftwerk Borkum (TWB) and Trianel Windkraftwerk Borkum II (TWB II), and broader wind-and-solar activities by Trianel Wind und Solar (TWS). The Eisleben project company is a limited partnership (GmbH & Co. KG), a common German legal form for project-financed energy assets. It is privately held and not listed. Its purpose is the development, construction and operation of an onshore wind power plant at Eisleben, with electricity generated as part of Germany's energy transition. Because it is a special-purpose vehicle rather than a consumer-facing brand, detailed public histories, founding dates and executive rosters are not widely published; the entity is documented primarily through Trianel's renewable-energy communications and corporate registry records. As part of the Trianel cooperation, the company reflects the broader model in which municipal utilities pool capital and share project risk, combining local and supra-regional value creation. The participation of Stadtwerke in such projects is intended to give them ownership stakes in renewable generation and to align local utility interests with national decarbonization goals.
Products and positioning
A municipal-utility-backed onshore wind project vehicle within the Trianel Erneuerbare Energien cooperation, contributing to Germany's Energiewende.
Onshore wind farm at Eisleben
An onshore wind power plant operated by the project company within the Trianel Erneuerbare Energien cooperation.
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