Terrawatt Planungsgesellschaft

What Terrawatt Planungsgesellschaft does

Terrawatt Planungsgesellschaft mbH is a privately held German engineering firm founded in 1996 and headquartered in Leipzig with a secondary office in Berlin. The company provides integrated planning, consulting, construction supervision, and operations-management services for renewable energy projects, with a primary focus on wind energy and photovoltaic installations. Over nearly 30 years it has executed more than 300 projects covering over 1,500 wind turbines, serving wind farm developers and operators, energy companies and utilities, investors and financial institutions, and municipalities pursuing climate-neutral local energy supply. Its portfolio spans the full asset lifecycle from site identification, yield forecasting, and BImSchG permitting through construction monitoring to long-term technical control-center operations.

The firm's core offering is organized into Windenergie and Photovoltaik planning services, end-to-end Projektentwicklung, Betriebsführung (operations management including a technical control center and administrative services), and a Professional Services line covering owner's engineering and technical due diligence. It also operates TerraScan®, a registered, proprietary rotor imbalance diagnosis technology intended to increase yield, extend turbine life, and reduce maintenance costs on operational wind farms. Innovation work includes the Höhenwindrad, an approximately 300-meter lattice-steel high-altitude wind turbine developed in collaboration with SPRIN-D subsidiary beventum GmbH and JÖRSS-BLUNCK-ORDEMANN.

Terrawatt generates revenue through a mix of one-time project development fees, multi-year professional services contracts, and managed services for operational assets. Pricing is project-specific and not publicly disclosed. The go-to-market is direct enterprise sales combined with public information events for community engagement, and the firm holds ISO 9001 certification through ESCEM ASBL. Strategic anchors include the Energiepark Bad Lauchstädt consortium (with Uniper, VNG, ONTRAS, DBI, and Total Energies as hydrogen offtaker) and joint development partnerships such as Haarwald Wind at Windpark Ostharingen and the WINGS project with Samtgemeinde Uchte.

Name

Terrawatt Planungsgesellschaft

Legal name

Terrawatt Planungsgesellschaft mbH

Website

https://terrawatt.de

Company type

Private

Founded year

1996

Operating status

Operating

Headcount range

11–50 employees

Short description

Terrawatt Planungsgesellschaft mbH is a Leipzig-based, privately held German engineering firm founded in 1996 that plans, develops, and operates wind and solar projects, serving developers, utilities, investors, and municipalities across the full renewable-energy asset lifecycle.

Ownership category

akta.pro rank

Product category

Renewable Energy Engineering Services

NAICS

Wind Electric Power Generation (221115), Solar Electric Power Generation (221114)

SIC

Cogeneration Services & Small Power Producers (4991)

akta.pro primary industry

Wind Farm EPC & Balance of Plant Construction (Civil, Electrical, Substations) (EUAMACAF)

akta.pro secondary industries

Wind Operations, Maintenance & Asset Management (Scheduled/Unscheduled) (EUAMACAH), Wind Resource Assessment & Energy Yield Analytics (Met Masts, LiDAR, Modeling) (EUAMACAJ), Condition Monitoring & Predictive Maintenance (SCADA/IoT, Vibration, Thermography, Drones) (EUAMAGAD), Owner’s Engineering, Grid Interconnection & System Studies (PVsyst/Performance Modeling, Protection Studies) (EUACAGAG)

Keywords

• Wind energy planning
• Photovoltaic project development
• Renewable energy consulting
• Wind farm engineering
• Solar park development

Headquarters

HQ city

Leipzig

HQ country

Germany

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Project Development and Turnkey Delivery: Full lifecycle development of wind and solar projects from site identification, through planning, permitting, construction, to operational handover. Revenue generated through project sales or retained ownership.
2. Technical Consulting and Engineering Services: Engineering services including feasibility studies, wind measurements, construction planning, owners engineering, BImSchG permitting, and technical due diligence for third parties.
3. Operations and Maintenance Management: Technical control center operations, cross-park monitoring, administrative management, accounting, contract management, and safety coordination for operational wind and solar assets.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels4 records

Core offering

Terrawatt Planungsgesellschaft mbH provides comprehensive renewable energy project planning and development services for wind energy and photovoltaic installations. Services span the full project lifecycle, including site analysis, wind measurement, feasibility studies, yield forecasting, technical and electrical planning, BImSchG permitting, owner's engineering, construction supervision, and long-term operations management through a technical control center. The firm also offers the proprietary TerraScan® rotor imbalance diagnosis service for operational wind turbines and is developing innovative projects such as the Höhenwindrad high-altitude wind turbine.

Product overview

Terrawatt Planungsgesellschaft is a renewable energy planning and development company offering integrated services across the project lifecycle. The core portfolio consists of Windenergie and Photovoltaik planning services combined with full Projektentwicklung (project development) capabilities and Betriebsführung (operations management). The TerraScan® product provides specialized rotor imbalance diagnosis for operational optimization. Services are delivered through the company's own engineering teams using industry-standard tools including GIS, CAD, and windPRO software.

Differentiator

Problem solved

Functional benefit

Brands

• TerraScan®: Rotor imbalance diagnosis system for wind turbines that increases yield by reducing vibrations, extends operational life, and reduces maintenance costs.

Products and services

• Windenergie (Wind Energy Services)
• Photovoltaik (Solar Energy Services)
• Projektentwicklung (Project Development)
• Betriebsführung (Operations Management)
• Dienstleistungen (Professional Engineering Services)
• TerraScan® (Rotor Imbalance Diagnosis)

Quantifiable outcome

• Annual energy yield: 191,000 MWh from Windpark Ostharingen (12 turbines)
• +3 more outcomes

Named customers6 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature2 records

Partnerships

Six partnerships are on record, tiered core and minor.

• Haarwald Wind GmbH & Co. KGcoreStrategic or Co-development Partner · 8 May 2026Joint development partnership for Windpark Ostharingen. Terrawatt and Haarwald Wind collaborated on this 12-turbine wind farm project, which was completed in approximately 12 months and supplies power to 46,000 households.
• Hochschule Ostfalia and Universität ClausthalminorStrategic or Co-development Partner · 20 March 2026Academic partners in WINGS project with Samtgemeinde Uchte for sustainable heat supply combining wind energy and geothermal potentials. Part of BMWK Reallabore der Energiewende initiative.
• beventum GmbHminorStrategic or Co-development Partner · 28 January 2025SPRIN-D subsidiary focused on innovative wind turbine research. Funded planning of a high-altitude wind turbine (Höhenwindrad) at Teutschenthal in collaboration with Terrawatt.
• JÖRSS-BLUNCK-ORDEMANN GmbHminorStrategic or Co-development Partner · 28 January 2025Engineering firm with ownership from Lutherstadt Wittenberg, partnered with Terrawatt on high-altitude wind turbine project planning.
• Energiepark Bad Lauchstädt Consortium (Uniper, VNG, ONTRAS, DBI)coreStrategic or Co-development Partner · 21 September 2021Seven-partner consortium for Germany's first green hydrogen value chain at industrial scale. Terrawatt responsible for wind park development and operations. Total investment: 210 million EUR with 34 million EUR federal funding.
• VestasminorOthersTurbine supplier for Windpark Ostharingen (12 turbines, 5.6-6.2 MW each) and Windpark Bad Lauchstädt (8x V162-6.2 MW turbines).

Scale indicators10 records

Recent moves7 records

Expansion highlights5 records

Direct peers

• juwi GmbH: German renewable energy project developer specializing in wind and solar PV planning, development, EPC, and operations — directly comparable to Terrawatt's full-lifecycle service offering for onshore wind and utility-scale PV.
• PNE AG: German wind and solar project developer with planning, development, construction, and O&M services; comparable end-to-end onshore wind value chain though operating at larger scale with public listing.
• Energiequelle GmbH: German mid-sized wind and solar project planner, developer, and operator; highly comparable scale and service mix, with strong presence in German wind permitting and O&M.
• ABO Energy GmbH & Co. KGaA: German developer of wind and solar projects from site assessment through operations; closely matches Terrawatt's project development, technical planning, and O&M service portfolio.
• BayWa r.e. renewable energy GmbH: Global renewable energy developer with significant German wind and solar project development operations, including planning, EPC, and O&M — comparable end-to-end offering at larger scale.
• 8.2 Consulting AG: German technical due diligence and owner's engineering consultancy for wind and solar projects; overlaps with Terrawatt's consulting, BImSchG permitting, and technical planning services.
• wpd GmbH: European wind and solar project developer and operator with German onshore wind development pipeline; comparable lifecycle services from planning through operations management.

Broad incumbents

• Vattenfall AB: European utility with German onshore wind operations and hydrogen projects; competes for development sites and offtake contracts but operates as a vertically integrated utility rather than a focused planning/development firm.
• EnBW Energie Baden-Württemberg AG: Large German utility with growing onshore wind and solar development portfolio; broad incumbent that overlaps with Terrawatt in wind project development but serves a much wider energy customer base.
• RWE Renewables GmbH: Major European utility with substantial German onshore wind development, ownership, and operations; competes with Terrawatt for project sites and offtake relationships but operates at vastly larger scale across multiple energy verticals.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/Terrawatt-Planungsgesellschaft-224010186237486
• LinkedInlinkedin.com/company/terrawatt-planungsgesellschaft-mbh

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Terrawatt Planungsgesellschaft