3100 résultats pour : energy efficiency

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Power lines Cable clutter

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Power lines Cable clutter

Majestic wind turbines against a clear blue sky in California, USA. The scene captures the essence

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Majestic wind turbines against a clear blue sky in...

A hand holds a small wind turbine model against a green background, symbolizing sustainable energy

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A hand holds a small wind turbine model against a ...

A black heat pump with efficiency classes according to the GEG in a front garden in Langenfeld,

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A black heat pump with efficiency classes accordin...

Energy efficiency classes, core refurbishment of an old villa in Remscheid, Germany

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Energy efficiency classes, core refurbishment of a...

A person is plugging an electric car into a charging station outdoors. The scene highlights

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A person is plugging an electric car into a chargi...

EnBW hyper network. Electric charging station in EnBW City in Stuttgart, Baden-Württemberg, Germany

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EnBW hyper network. Electric charging station in E...

A stack of new pipes for a district heating pipeline on a construction site in Düsseldorf, Germany

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A stack of new pipes for a district heating pipeli...

Insulation of a façade with mineral fibre boards, graphic with energy efficiency classes for

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Insulation of a façade with mineral fibre boards, ...

A stamp labelled Energy costs

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A stamp labelled Energy costs

Gas flame with 1 euro coin, gas embargo, gas embargo, energy prices, inflation rate, gas price,

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Gas flame with 1 euro coin, gas embargo, gas embar...

Cologne Cathedral and the Hohenzollern Bridge illuminated with LED lights, Cologne, North

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Cologne Cathedral and the Hohenzollern Bridge illu...

Iqony district heating pipes at the city port, crosses the Rhine-Herne Canal in Essen, A42 motorway

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Iqony district heating pipes at the city port, cro...

Garzweiler 2 opencast lignite mine, Neurath lignite-fired power plant, wind turbine, traffic on the

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Garzweiler 2 opencast lignite mine, Neurath lignit...

District heating pipeline from UNIPER coal-fired power plant Datteln 4, cogeneration, generation of

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District heating pipeline from UNIPER coal-fired p...

Solar park on the Slaperdijk dike near Eemshaven, test project, 17000 solar modules have been

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Solar park on the Slaperdijk dike near Eemshaven, ...

Pipelines for district heating, at the Thyssenkrupp Steel site in Duisburg Marxloh, waste heat from

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Pipelines for district heating, at the Thyssenkrup...

The UNIPER Datteln 4 coal-fired power plant, power plant block and cooling tower, cogeneration,

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The UNIPER Datteln 4 coal-fired power plant, power...

The UNIPER Datteln 4 coal-fired power plant, power plant block and cooling tower, cogeneration,

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The UNIPER Datteln 4 coal-fired power plant, power...

Biogas upgrading plant, purification of biogas from organic waste, green waste and contents of the

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Biogas upgrading plant, purification of biogas fro...

Solar park on the Slaperdijk dike near Eemshaven, test project, 17000 solar modules have been

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Solar park on the Slaperdijk dike near Eemshaven, ...

Wind farm near the East Frisian town of Norden, east of the town, sunset, Lower Saxony, Germany

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Wind farm near the East Frisian town of Norden, ea...

Digester, pipelines of the biogas plant of the company Reterra, biogas is produced in a digester

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Digester, pipelines of the biogas plant of the com...

In this photo illustration, a smartphone displays the crude oil price in USD on March 09, 2026 in

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In this photo illustration, a smartphone displays ...

District heating pipeline from UNIPER coal-fired power plant Datteln 4, cogeneration, generation of

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District heating pipeline from UNIPER coal-fired p...

War in the Middle East is causing oil prices to rise. Refueling is becoming more expensive. At the

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War in the Middle East is causing oil prices to ri...

(photo montage) Sign with the inscription FAHRVERBOT exempted in front of an empty motorway

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(photo montage) Sign with the inscription FAHRVERB...

Demo by the group North Rhine-Westphalia Erwacht, a mixture of anti-vaccination activists, lateral

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Demo by the group North Rhine-Westphalia Erwacht, ...

2 heat pumps are installed on an apartment block in a front garden, Hilden, Germany

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2 heat pumps are installed on an apartment block i...

Solar panels on a house wall of a detached house in Aachen, energy efficiency classes according to

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Solar panels on a house wall of a detached house i...

An air conditioning unit in a backyard in Düsseldorf, Germany

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An air conditioning unit in a backyard in Düsseldo...

Gas meter in a cellar in Düsseldorf, Germany

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Gas meter in a cellar in Düsseldorf, Germany

Winter sports area in the Sauerland, Winterberg ski lift carousel, artificial snow pistes,

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Winter sports area in the Sauerland, Winterberg sk...

Winter sports area in the Sauerland, Winterberg ski lift carousel, artificial snow slopes,

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Winter sports area in the Sauerland, Winterberg sk...

The Heyden power plant, coal-fired power plant, which was shut down in July 2021 and kept as a grid

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The Heyden power plant, coal-fired power plant, wh...

Cologne Cathedral, has been shining in new light since Easter 2025, the old metal halide lamps have

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Cologne Cathedral, has been shining in new light s...

The Lausward combined heat and power plant in Düsseldorf, gas and steam turbine power plant,

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The Lausward combined heat and power plant in Düss...

Lignite-fired power plant, RWE Power AG Niederaußem power plant, near Bergheim, North

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Lignite-fired power plant, RWE Power AG Niederauße...

The Lausward combined heat and power plant in Düsseldorf, gas and steam turbine power plant,

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The Lausward combined heat and power plant in Düss...

Winter sports area in the Sauerland, Winterberg ski lift carousel, artificial snow slopes,

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Winter sports area in the Sauerland, Winterberg sk...

Thermal image or thermography, symbolic photo, interpolated. The photo shows areas of heat loss in

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Thermal image or thermography, symbolic photo, int...

Winter sports area in the Sauerland, Winterberg ski lift carousel, artificial snow slopes,

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Winter sports area in the Sauerland, Winterberg sk...

Winter sports area in the Sauerland, Winterberg ski lift carousel, artificial snow pistes,

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Winter sports area in the Sauerland, Winterberg sk...

Castrop-Rauxel, North Rhine-Westphalia, Germany, Housing development in the Ruhr region. New-build

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Castrop-Rauxel, North Rhine-Westphalia, Germany, H...

Wind turbines in the North Sea, thunderstorm, Lower Saxony, Federal Republic of Germany

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Wind turbines in the North Sea, thunderstorm, Lowe...

Werne, North Rhine-Westphalia, Germany, compressor station for natural gas and, in future, hydrogen

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Werne, North Rhine-Westphalia, Germany, compressor...

A worker is installing solar panels on a rooftop, utilizing sunlight to harness clean energy. This

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A worker is installing solar panels on a rooftop, ...

Close-up of two hands holding a small wind turbine model against a vibrant green background,

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Close-up of two hands holding a small wind turbine...

Modern sustainable architecture with vibrantly colored glass portals and wooden elements, featuring

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Modern sustainable architecture with vibrantly col...

A vibrant and eco-friendly interior showcasing a staircase with green tile walls, emphasizing

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A vibrant and eco-friendly interior showcasing a s...

Solar panels cover the facade of a modern urban building, promoting sustainable energy. The

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Solar panels cover the facade of a modern urban bu...

Symbolic image of service charges: Close-up of a symbolic service charge statement

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Symbolic image of service charges: Close-up of a s...

The Lausward combined heat and power plant in Düsseldorf, gas and steam turbine power plant,

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The Lausward combined heat and power plant in Düss...

Winter sports area in the Sauerland, Winterberg ski lift carousel, artificial snow slopes,

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Winter sports area in the Sauerland, Winterberg sk...

Opencast lignite mine Garzweiler 2, excavator 285, bucket wheel excavator, considered to be the

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Opencast lignite mine Garzweiler 2, excavator 285,...

Cologne Cathedral, has been shining in new light since Easter 2025, the old metal halide lamps have

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Cologne Cathedral, has been shining in new light s...

Cologne Cathedral has been shining in new light since Easter 2025, the old metal halide lamps have

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Cologne Cathedral has been shining in new light si...

In this photo illustration, a smartphone displays the crude oil price in USD on March 09, 2026 in

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In this photo illustration, a smartphone displays ...

The UNIPER Datteln 4 coal-fired power plant, power plant block and cooling tower, cogeneration,

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The UNIPER Datteln 4 coal-fired power plant, power...

War in the Middle East is causing oil prices to rise. Refueling is becoming more expensive. At the

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War in the Middle East is causing oil prices to ri...

Solar park on the Slaperdijk dike near Eemshaven, test project, 17000 solar modules have been

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Solar park on the Slaperdijk dike near Eemshaven, ...

The UNIPER Datteln 4 coal-fired power plant, power plant block and cooling tower, cogeneration,

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The UNIPER Datteln 4 coal-fired power plant, power...

A fuel station attendant refuels vehicles at a petrol pump in Guwahati, India, on March 11, 2026.

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A fuel station attendant refuels vehicles at a pet...

A fuel station attendant refuels a auto rickshaw at a petrol pump in Guwahati, India, on March 11,

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A fuel station attendant refuels a auto rickshaw a...

Iqony district heating pipes at the city port, crosses the Rhine-Herne Canal in Essen, A42 motorway

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Iqony district heating pipes at the city port, cro...

Thermal image or thermography, symbolic photo, interpolated. The photo shows areas of heat loss in

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Thermal image or thermography, symbolic photo, int...

Thermal image or thermography, symbolic photo, interpolated. The photo shows areas of heat loss in

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Thermal image or thermography, symbolic photo, int...

In this photo illustration, a person looks at a smartphone displaying Brent crude oil prices in

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In this photo illustration, a person looks at a sm...

District heating pipeline from UNIPER coal-fired power plant Datteln 4, cogeneration, generation of

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District heating pipeline from UNIPER coal-fired p...

Night storage heating in a room in Düsseldorf, Germany

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Night storage heating in a room in Düsseldorf, Ger...

Server with cables, 19.10.2023

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Server with cables, 19.10.2023

Essen, North Rhine-Westphalia, Germany - residential construction in the Ruhr area. New building

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Essen, North Rhine-Westphalia, Germany - residenti...

Scaffolding and solar panels on the roof of a detached house in Essen, energy efficiency classes

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Scaffolding and solar panels on the roof of a deta...

Essen, North Rhine-Westphalia, Germany - Demolition of an office building, demolition of former RWE

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Essen, North Rhine-Westphalia, Germany - Demolitio...

Eine Jablotschkow-Kerze von Pawel Nikolajewitsch Jablotschkow, 1847-1894, einem russischen

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Eine Jablotschkow-Kerze von Pawel Nikolajewitsch J...

2 heat pumps are installed on an apartment block in a front garden, Hilden, Germany

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2 heat pumps are installed on an apartment block i...

Generator von Thomas Alva Edison, 1847-1931, einem amerikanischen Erfinder und Geschäftsmann

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Generator von Thomas Alva Edison, 1847-1931, einem...

Reynier'sche Lampe, von E. Reynier, einem französischen Erfinder

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Reynier'sche Lampe, von E. Reynier, einem französi...

Die Gramme-Maschine, eine Art Gleichstromdynamo, von Zénobe Théophile Gramme, 1826-1901, einem

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Die Gramme-Maschine, eine Art Gleichstromdynamo, v...

A hand delicately points at a miniature wind turbine on a green background, symbolizing sustainable

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A hand delicately points at a miniature wind turbi...

A person in gloves plugs a yellow electric car into a charging station. The scene highlights

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A person in gloves plugs a yellow electric car int...

Energy efficiency classes, core refurbishment of an old villa in Remscheid, Germany

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Energy efficiency classes, core refurbishment of a...

Young heating technician maintains a heating system, service work technician heating Vienna,

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Young heating technician maintains a heating syste...

A vibrant yellow electric car is connected to a charging station via a red cable. The focus is on

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A vibrant yellow electric car is connected to a ch...

Modern sustainable building showcasing vibrant, colorful portals and low-emission materials. The

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Modern sustainable building showcasing vibrant, co...

Two children, seated in the back of an electric car, look out the window, enjoying the scenery. The

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Two children, seated in the back of an electric ca...

Fuel station attendant refuels vehicles at a petrol pump in Guwahati, India, on March 11, 2026. Oil

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Fuel station attendant refuels vehicles at a petro...

A single wind turbine stands on a dry, hilly landscape under a dynamic sky filled with fluffy

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A single wind turbine stands on a dry, hilly lands...

Detached house with various solar modules, in addition to solar panels on the roof of the house,

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Detached house with various solar modules, in addi...

A hand gently holds a miniature white wind turbine against a vibrant green background, symbolizing

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A hand gently holds a miniature white wind turbine...

Evening atmosphere, Cologne Cathedral illuminated with LED lamps and the Hohenzollern Bridge,

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Evening atmosphere, Cologne Cathedral illuminated ...

Evening atmosphere, Cologne Cathedral illuminated with LED lamps and the Hohenzollern Bridge,

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Evening atmosphere, Cologne Cathedral illuminated ...

The UNIPER Datteln 4 coal-fired power plant, power plant block and cooling tower, cogeneration,

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The UNIPER Datteln 4 coal-fired power plant, power...

Cologne Cathedral, has been shining in new light since Easter 2025, the old metal halide lamps have

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Cologne Cathedral, has been shining in new light s...

Gas supplies from Russia only against Russian rubles, energy crisis, embargo, natural gas, Nord

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Gas supplies from Russia only against Russian rubl...

Two heat pumps are elevated on a wall in Wuppertal, Germany

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Two heat pumps are elevated on a wall in Wuppertal...

The Lausward combined heat and power plant in Düsseldorf, gas and steam turbine power plant,

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The Lausward combined heat and power plant in Düss...

The Höegh Esperanza, an LNG storage and vaporisation vessel, is moored at the LNG terminal near

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The Höegh Esperanza, an LNG storage and vaporisati...

Balcony power plant on an apartment block in Monheim am Rhein, Germany

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Balcony power plant on an apartment block in Monhe...

Wind farm near the East Frisian town of Norden, east of the town, sunset, Lower Saxony, Germany

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Wind farm near the East Frisian town of Norden, ea...

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