Gp Joule Germany
GP JOULE is a privately held German integrated renewable energy provider delivering end-to-end solar, wind, hydrogen, battery storage, district heating, and electromobility solutions, serving municipalities, utilities, industrial customers, and investors across Germany, Ireland, France, and Italy.
- Company typePrivate
- Founded2009
- HeadquartersKiel, Germany
- Headcount251–500
- GTM typeB2B
- OfferingServices
What Gp Joule Germany does
GP JOULE is a privately held German integrated renewable energy provider operating across the full energy value chain from generation through utilization. Founded in 2009 and headquartered in the Schleswig-Holstein region (with a regional office in Hamburg), the company serves municipalities, industrial customers, plant operators, utilities, commercial clients, project developers, landowners, and investors through an enterprise field-sales motion. Its portfolio spans project development and construction of solar parks, wind farms, hydrogen production facilities, battery storage systems, district heating networks, and depot charging infrastructure for electric vehicle fleets, complemented by technical and commercial operations management (Betriebsführung) for renewable energy assets and consulting services covering municipal heat planning, energy audits, decarbonization of mobility, and industrial process heat. The company differentiates through sector coupling (Sektorkopplung), integrating electricity, heat, and mobility, most visibly through the proprietary eFarm Nordfriesland hydrogen ecosystem in Bosbüll, which expanded to 2 MW of electrolysis capacity in June 2026, producing over 1 ton of green hydrogen per day and supporting refueling for 30+ hydrogen buses operated by regional public transport companies.
Revenue is generated through four primary streams: one-time project development and construction contracts, recurring technical and commercial operations management services, professional services consulting, and subscription/recurring revenue through the INVEST CROWD crowdfunding platform that enables retail and institutional investors to participate in renewable energy projects. Pricing is quote-based and not publicly disclosed. GP JOULE operates internationally through subsidiaries in Ireland, France, and Italy alongside its German home market. The company manages more than 1 gigawatt of solar capacity, is constructing a 96 MW solar park in Nordenham, and has positioned itself as a system provider across multiple renewable verticals. In June 2026, the company announced a corporate restructuring, signaling an updated strategic positioning while continuing active operations and hiring.
The technology stack is centered on integrated renewable infrastructure rather than software: core proprietary capabilities include sector coupling expertise, technical operations management for solar/wind/hydrogen/battery assets, and the eFarm Nordfriesland hydrogen production ecosystem. Digital touchpoints include the JAMES platform (energy management / content), the YOULE consumer mobile app (green electricity availability information), and the INVEST CROWD investment platform. The company participates in industry coalitions advocating for renewable energy policy and is present at major European trade events including Intersolar Europe and IAA Transportation.
Gp Joule Germany firmographics
Firmographics- Name
- Gp Joule Germany
- Legal name
- GP JOULE
- Website
- https://gp-joule.de
- Company type
- Private
- Founded year
- 2009
- Operating status
- Operating
- Headcount range
- 251–500 employees
- Short description
- GP JOULE is a privately held German integrated renewable energy provider delivering end-to-end solar, wind, hydrogen, battery storage, district heating, and electromobility solutions, serving municipalities, utilities, industrial customers, and investors across Germany, Ireland, France, and Italy.
- Ownership category
- akta.pro rank
Gp Joule Germany industry classification
Industry- Product category
- Renewable Energy Services
- NAICS
- Solar Electric Power Generation (221114), Electric Power Generation (22111), Electric Power Generation, Transmission and Distribution (2211)
- SIC
- Electric Services (4911)
- akta.pro primary industry
- Renewable Energy Asset O&M (Wind, Solar, Hydro, Geothermal) (EUAEAGAB)
- akta.pro secondary industries
- Operations, Maintenance & Asset Management (O&M, Vegetation, Spares, SCADA) (EUACAGAH), EV Charging & Fleet VPP Aggregation (Managed Charging, V2G, Depot/Highway) (EUAFAHAC)
Keywords
Where Gp Joule Germany is headquartered
LocationHeadquarters
- HQ city
- Kiel
- HQ country
- Germany
- HQ region
- Europe
Offices2 records
Markets served
Gp Joule Germany business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Infrastructure, Operations, Technology or R&D, Supply Chain, Marketing or Sales
Revenue model
- Project Development & Construction: Development and construction of solar parks, wind farms, and hydrogen production facilities for clients and own portfolio
- Operations & Maintenance Services: Technical and commercial operation management of renewable energy installations including solar, wind, hydrogen, and battery storage systems
- Energy Consulting: Advisory services including energy audits, municipal heating planning, decarbonization consulting, and energy supply concepts
- INVEST CROWD: Crowdfunding platform for renewable energy project investments targeting retail and institutional investors
Go-to-market motion1 record
Distribution channels4 records
Marketing channels7 records
Gp Joule Germany product offering
Product offeringCore offering
GP JOULE develops, constructs, and operates integrated renewable energy infrastructure spanning solar parks, wind farms, district heating networks, battery storage systems, hydrogen production, and electromobility/depot charging. The company provides end-to-end services including project development, plant construction, technical and commercial operations management, and energy consulting (municipal heat planning, energy audits, decarbonization advisory). It also operates the INVEST CROWD crowdfunding platform and JAMES/YOULE digital energy management platforms to serve municipalities, utilities, industrial customers, plant operators, commercial clients, and investors.
Product overview
GP JOULE is an integrated energy provider operating across the entire energy value chain from generation to consumption. The portfolio includes core infrastructure products (solar parks, wind energy, hydrogen production and refueling, battery storage, heat networks, electromobility/depot charging), operational services (technical and commercial management for solar, wind, hydrogen, and battery installations), and consulting services (municipal heat planning, energy audits, decarbonization consulting). The digital platforms JAMES (energy management assistant) and YOULE App (consumer mobile app), combined with the INVEST CROWD investment platform, complement the hardware and service offerings into a comprehensive renewable energy ecosystem.
Differentiator
Problem solved
Functional benefit
Brands
- JAMES: Energy management platform/blog/magazine by GP JOULE
- YOULE App
- INVEST CROWD
Products and services
- Solar Park Development and Construction (Solarparks) Planning and construction of utility-scale solar parks for renewable energy generation, including 96 MW sites such as Nordenham, serving municipalities, utilities, and project developers.
- District Heating Networks (Wärmenetze) Planning and construction of district heating networks and neighborhood heat solutions (Wärme für Quartiere) for municipalities, utilities, and residential developers seeking sustainable heat distribution.
- Battery Storage Systems (Batteriespeicher) Battery energy storage systems for grid stabilization and energy management, integrated within GP JOULE's sector coupling portfolio for utilities, municipalities, and commercial customers.
- Green Hydrogen Production and Refueling (Wasserstoff) Green hydrogen production, refueling infrastructure, and technical operation of hydrogen production plants, centered on the eFarm Nordfriesland ecosystem serving mobility and industrial customers.
- Wind Energy Operations (Windenergie) Technical operation and management of wind energy installations for plant operators, utilities, and project developers, including repowering and asset optimization.
- Electromobility and Charging Infrastructure (Elektromobilität) Electromobility solutions including depot charging and charging infrastructure for electric vehicles, targeting commercial fleets and municipal mobility operators.
- Depot Charging Solutions (Depotladen) Charging solutions for electric vehicle fleets at depot locations, supporting commercial fleet electrification and public transport operators.
- Commercial Operations Management for Renewables (Kaufmännische Betriebsführung) Commercial management and operation services for renewable energy installations, covering solar, wind, hydrogen, and battery storage assets for plant operators and investors.
- Technical Operations Management for Solar Plants
Quantifiable outcome
- Over 1 GW of solar capacity under technical management
- +3 more outcomes
Companies that use Gp Joule Germany
Customer profileNamed customers2 records
Segments8 records
Ideal customer profiles5 records
Gp Joule Germany technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature3 records
Gp Joule Germany partnerships and signals
Strategic signalPartnerships
Nine partnerships are on record, tiered flagship and core.
- eFarming GmbH & Co. KGflagshipStrategic partner for eFarm Nordfriesland hydrogen ecosystem. GP Joule provides hydrogen production, distribution, and fueling infrastructure for hydrogen buses operated by Autokraft GmbH and Rohde Verkehrsbetriebe GmbH. State of Schleswig-Holstein provided €1.593 million funding for capacity expansion.
- Green Planet Energy eGcoreMember of Hamburg-based energy company alliance opposing proposed grid package reforms. Joint advocacy effort with other renewable energy companies including GP Joule, LichtBlick, Nordex, Enertrag, BayWa r.e., and Naturstrom.
- LichtBlickcoreMember of Hamburg-based energy company alliance opposing proposed grid package reforms. Joint advocacy effort for renewable energy policy.
- NordexcoreMember of Hamburg-based energy company alliance opposing proposed grid package reforms. Joint advocacy effort for renewable energy policy.
- EnertragcoreMember of Hamburg-based energy company alliance opposing proposed grid package reforms. Joint advocacy effort for renewable energy policy.
- BayWa r.e.coreMember of Hamburg-based energy company alliance opposing proposed grid package reforms. Joint advocacy effort for renewable energy policy.
- NaturstromcoreMember of Hamburg-based energy company alliance opposing proposed grid package reforms. Joint advocacy effort for renewable energy policy.
- Autokraft GmbHcoreOperator of hydrogen-fueled public transport buses using green hydrogen from eFarm Nordfriesland ecosystem
- Rohde Verkehrsbetriebe GmbHcoreOperator of hydrogen-fueled public transport buses using green hydrogen from eFarm Nordfriesland ecosystem
Scale indicators4 records
Recent moves6 records
Expansion highlights6 records
Gp Joule Germany competitors and assessment
Company assessmentDirect peers
- BayWa r.e. German-headquartered integrated renewable energy developer and O&M operator active in solar, wind, and energy storage across Europe. Directly comparable to GP Joule on full-value-chain development, EPC, and technical operations management — and is already a coalition partner of GP Joule.
- juwi: German renewable energy project developer covering wind, solar, and hybrid projects with project development, EPC, and operations services. Closely comparable mid-sized German player with similar sector-coupling DNA to GP Joule.
- Enertrag: German wind energy specialist providing project development, technical and commercial operations management, and is also active in green hydrogen. Coalition partner of GP Joule with directly overlapping services across wind O&M and hydrogen.
- ABO Wind: Mid-sized German renewable energy developer active in wind and solar project development and operations across Europe. Comparable in scale and service breadth to GP Joule's project-development business.
- PNE AG: German wind and solar project developer with a significant O&M business operating several GW under management. Comparable to GP Joule on the managed-fleet scale and German/European footprint.
- Encavis AG: European independent power producer operating and acquiring solar and wind farms across Europe with a strong technical asset management focus. Directly comparable to GP Joule's renewable O&M platform and IPP model.
Broad incumbents
- RWE Renewables: One of Europe's largest renewable energy operators with deep German roots, active across solar, wind, hydrogen, and battery storage with integrated asset operations. A much larger incumbent that competes with GP Joule for municipal and utility-scale tenders.
- EnBW: Large German integrated utility with significant renewable generation, district heating, and e-mobility operations. Overlaps with GP Joule across the full sector-coupling stack at substantially greater scale.
- E.ON: Major German energy company with extensive distribution networks, renewable generation, heat networks, and e-mobility infrastructure across Europe. Competes with GP Joule for municipal heat planning and integrated energy projects at much larger scale.
- Statkraft: Europe's largest generator of renewable energy, state-owned and active across hydropower, wind, solar, and hydrogen markets. Represents the broad-incumbent benchmark for renewable IPPs and grid-services providers in Europe.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks7 records
Key highlights8 records
Customer concentration
Gp Joule Germany social profiles
Digital presenceGp Joule Germany financial estimates
Financial estimateRevenue estimate
Valuation estimate
Gp Joule Germany leadership team
Management profileNumber of profiles
Profiles1 record
Gp Joule Germany funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Gp Joule Germany M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Gp Joule Germany
What does Gp Joule Germany do?
GP JOULE develops, constructs, and operates integrated renewable energy infrastructure spanning solar parks, wind farms, district heating networks, battery storage systems, hydrogen production, and electromobility/depot charging. The company provides end-to-end services including project development, plant construction, technical and commercial operations management, and energy consulting (municipal heat planning, energy audits, decarbonization advisory). It also operates the INVEST CROWD crowdfunding platform and JAMES/YOULE digital energy management platforms to serve municipalities, utilities, industrial customers, plant operators, commercial clients, and investors.
Is Gp Joule Germany a public or private company?
Gp Joule Germany is a private company. It is classified as unknown and is currently operating.
When was Gp Joule Germany founded?
Gp Joule Germany was founded in 2009. It employs 251 to 500 people.
Where is Gp Joule Germany based?
Gp Joule Germany is headquartered in Kiel, Germany, in the Europe region.
How does Gp Joule Germany make money?
Four revenue lines are on record. Project Development & Construction is the primary driver. The others are operations & Maintenance Services, energy Consulting and INVEST CROWD.
Who are Gp Joule Germany's main competitors?
Direct peers on record are BayWa r.e., juwi, Enertrag, ABO Wind, PNE AG and Encavis AG. Broad incumbents are RWE Renewables, EnBW, E.ON and Statkraft.
Does Gp Joule Germany have an API?
No public API is recorded for Gp Joule Germany.
What industry is Gp Joule Germany in?
Gp Joule Germany's product category is Renewable Energy Services. Its primary akta.pro industry code is EUAEAGAB, Renewable Energy Asset O&M (Wind, Solar, Hydro, Geothermal), with a secondary code of EUACAGAH, Operations, Maintenance & Asset Management (O&M, Vegetation, Spares, SCADA). Its NAICS code is 221114 and its SIC code is 4911.