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A long row of solar modules on steel posts in a summer meadow, seen from the ground, under a pale clear sky

A lane of grass and wildflowers between two rows of solar modules on a bright morning

Creating the future.With substance.

We develop, build, operate and manage solar parks and large battery storage across Europe.

Learn more

Who we areThe solar and storage specialist. Experienced and trusted.

Since 2008 greentech has made solar parks its work. Building them was added in 2021, battery storage in 2024. Today around 200 people work on it in six European countries.

About greentech

Two greentech developers in high-visibility vests look across a sunlit meadow

Two greentech installers mount a solar module on its frame

Solar modules under a blue sky with white clouds

Aerial view of a solar park between a forest and a motorway

Two greentech technicians check a test report at an open switchgear cabinet

Battery storage containers on gravel with two greentech engineers between them

Three greentech technicians check a tablet between rows of modules

Our mission

We are paving the way to a world where green energy is a given. For everyone, at any time and everywhere.

An open field at dawn, mist on the horizon, pylons and wind turbines in the distance

One project, five business areas

How a solar park comes to life.

An open field at dawn with a farm track running to the horizon, mist over the hedges

Project development

01 / 05

It starts with a field.

We secure the land, measure every parcel and take the project through planning to ready to build: ground-mounted solar and battery storage.

Every parcel is measured before it is promised.

In Germany from 5 hectares for solar and from half a hectare for storage.

The numbers are settled before the first post goes in.

Grid connection, power marketing and financing are structured in-house, together with institutional investors.

Then it gets built.

Engineering, procurement and construction from one contractor: solar parks, battery storage and the grid connection.

And it keeps running.

Technical and commercial management, monitoring and maintenance, for the whole life of the plant.

Engineers at every stage.

Site analysis, design, grid connection, SCADA, drone thermography: for the whole project or for a single step.

Start a projectStart a project See the five business areas

Business areas

We develop, build, operate and manage.

One partner from the first site check to the running plant. Or only the service you need.

Two greentech project developers in high-visibility vests stand in a summer meadow. One points across the land with a rolled-up site plan, the other holds a tablet.

01For landowners and municipalities

Project development

We develop large ground-mounted solar parks and battery storage systems, and cover every step from the initial idea to implementation.

Three greentech colleagues at a glass meeting table work through site plans, a financial plan and a solar park layout on a laptop and tablet.

02For institutional investors and family offices

Asset management

As a fully integrated asset manager, we open solar and battery storage projects to institutional investors and family offices.

Two greentech installers in high-visibility vests lift a solar module onto a steel mounting frame. Pallets of modules stand behind them under a blue sky.

03For project owners and developers

Construction, EPC

We build turnkey solar power plants and battery storage systems in the megawatt range, from the system design to the handover into operation.

Two greentech technicians in high-visibility vests check a tablet and a test report in front of an open switchgear cabinet, with solar modules behind them.

04For plant operators and investors

Plant operations

We take over the technical and commercial management of your plant, for optimum yields and low maintenance costs.

White battery storage containers and inverters on gravel, two greentech engineers in high-visibility vests between them, the edge of a solar module in the foreground.

05For investors, developers, EPCs and operators

Engineering services

Technical design, assessment, consulting and quality assurance for solar, battery storage and substation projects, across all project phases.

Substance

In numbers

The second half of our claim is the part that can be counted.

Development pipeline

10+GW

Ground-mounted solar built

300+MWp

Operational management

1.5+GWp

Technical consulting

25+GWp

Hamburg is home. The work is spread across Europe.

200+ people in six European countries. Join us.

We are hiring across our offices. All open positions are in the job portal.

Open positions Working at greentech

karriere@greentech.energy

Two greentech colleagues in high-visibility vests fitting solar modules

Technology

Illustrative module

One module.
Seven layers.

Type: Glass-glass, bifacial
Cells: 144 half-cut
Format: 2,278 × 1,134 × 30 mm, typical

Exploded drawing of a glass-glass solar module: frame, front glass, encapsulant, cell matrix, rear encapsulant, rear glass and junction boxes

Opened up

01 to 07

From the frame on top to the junction boxes underneath.

Aluminium frame

01 / 07

Stiffens the laminate and carries the clamps that hold it on the mounting table.

Front glass

02 / 07

Tempered solar glass. It lets the light through and keeps hail, wind and rain out.

Encapsulant

03 / 07

A clear film that bonds glass and cells and cushions the cells against stress.

Cell matrix

04 / 07

144 half-cut silicon cells. Halving the cells lowers electrical losses and softens the effect of partial shade.

Encapsulant (rear)

05 / 07

The second film that seals the cells from behind.

Rear glass

06 / 07

Glass on both sides makes the module durable and lets a bifacial cell also use light reflected from the ground.

Junction boxes

07 / 07

Three small boxes with bypass diodes collect the current and route it around shaded cell strings.

Wiesenhagen alone carries 100,143 of them.

Wiesenhagen solar park, 70.4 MWpSee the project

Projects

In the field

Nine projects across Germany, Denmark and the United Kingdom: developed, built, financed or operated by greentech.

View all projects

Aerial view of several solar fields between green pastures, hedgerows and a motorway junction.

103MWp

Schleswig-Holstein portfolio

Steinburg district, Germany

Commissioned June 2024Developed

Aerial view of a large solar park in two blocks between green fields and woodland, with lakes on the horizon.

70.4MWp

Wiesenhagen

Brandenburg, Germany

Built 2025Built for Trianel

White battery storage containers and inverter units on a gravel bed under a blue sky, with solar modules behind.

16MWp plus 27MWh

Gross Laasch

Mecklenburg-Western Pomerania, Germany

Solar 2025, storage 2026Built for Trianel

Green field with yellow wildflowers, a line of trees and overhead power lines under a blue sky.

26MWp

Chalkpit Solar Farm

Dover, Kent, United Kingdom

Energised September 2026Developed

Open farmland with crop stubble under light snow and a pale winter sky.

125aboutMWp

Lebatz

Ahrensbök, East Holstein, Germany

In development

Aerial view of a solar park under construction: finished module rows beside fields of mounting frames.

136MWp

Kolind

Denmark

Operated for NRGi

25.9MWp

Schulzendorf

Brandenburg, Germany

Built 2025

Aerial view of a solar park bordered by a row of trees, forest and a bare field.

10.4MWp

Sternebeck

Brandenburg, Germany

Built 2025

Rows of solar modules on steel posts under a blue sky with white clouds.

5.57MWp

Ragow

Brandenburg, Germany

Built 2026

The next plant could be yours.

Land, a project right, a plant in operation or capital to invest: tell us where you stand.

Start yours View all projects

Project 01 / 09

Proof

Trusted with the whole chain.

26plants built in Germany,
2022 to 2026

19plants for one client, Trianel,
in two and a half years

Certificates and standards

ISO 9001, 14001, 45001
greentech UK: one audited management system for quality, environment, and health and safety, awarded in September 2022.
The announcement
Solar O&M Best Practices Mark, carried by our operations and maintenance service.
The service
TÜV and VdS
Technical due diligence for solar and storage is carried out by TÜV- and VdS-certified experts.
The service
VDE-AR-N 4110, 4120, 4130
greenCORE PPC, our own power plant controller, is certified in accordance with them.
The announcement

Memberships and initiatives

UN Global Compact
SolarPower Europe
Solar Stewardship Initiative
Bundesverband Neue Energiewirtschaft
Bundesverband Energiespeicher Systeme
Bundesverband WindEnergie
Verband der Elektro- und Digitalindustrie
Cluster Renewable Energy Hamburg

Sustainability reports for 2022, 2023 and 2024 are public. ESG and sustainability

Partners

What partners say about working with us.

“With greentech, we have had an experienced partner by our side for years, and together we have successfully delivered on this goal in Groß Laasch.”

Andreas LemkeHead of SolarTrianel
“We rely on greentech's many years of experience in the UK PV market and the high-quality level, which is demonstrated by the ISO certification of the UK entity.”

Robert BelkeHead of EPCILOS
“By working with greentech, we can help bring forward renewable energy capacity that delivers both environmental and long-term economic value.”

Tom BossonDirector of Renewable EnergyLombard Specialist Sectors
“Their system design expertise, precision, and flexibility contributed significantly to the project's success.”

Tilo NahrathManaging DirectorRE.source
“The collaboration was so easy and trusting that I quickly decided to lease another area to greentech.”

Wolfgang SchultheißLandownerGroßheirath, Bavaria