Efficient combined heat and power solutions

Heat decarbonization, also known as heat transition, is a process for reducing CO₂ emissions from heat production. As a first step, this can be achieved by making fuel usage more efficient. Later, this fossil fuel can be replaced with carbon-free fuel. Alternatively, heat production can also be electrified by using power from renewable energy. Existing heat networks can be transformed fast and at a large scale into cost-effective and flexible low-carbon energy systems.

Heat decarbonization is a process for reducing CO₂ emissions from heat production

CHP generates electricity and heat from a single fuel source. Traditional heating plants emit varying amounts of CO₂ depending on the fuel used. Thus, even a simple fuel switch may reduce CO₂ emissions by nearly 50%. Additionally, converting the plant into a GT-powered CHP or a Combined Cycle Power Plant with heat extraction can significantly improve its electrical efficiency. As a result, fuel efficiency can be as high as 90% while using as little fuel as possible.

Find out which gas turbine fits best for your application.

Power-to-heat (P2H) can be accomplished through heat pumps or electric boilers. Heat pumps utilize waste or environmental heat, raising its temperature with electricity. They produce the same heat using less electricity than electric boilers, leading to lower operational costs. Electric boilers require minimal capital investment and have quick installation. Induction-based technologies or innovative turboheaters are suitable for industrial processes requiring high temperatures.

Explore our industrial-scale heat pump portfolio

Clean fuels, such as green hydrogen or biofuels, can drastically lower CO₂ emissions and eliminate the need for fossil fuels in gas turbines. This is an effective way to future proof a combined cycle power plant and maximize its life cycle. Find out how much carbon footprint you can reduce by burning green hydrogen in your gas turbine. Calculate your carbon dioxide (CO₂) reduction and cost-savings potential on carbon certificates.

Calculate your CO₂ emission reduction potential

Biomass and biomass with carbon capture and storage (BECCS)

Another decarbonization path is to transform fossil-fired heat generation by switching to sustainably produced biomass in Combined Heat and Power plants. When adding Carbon Capture and Storage (CCS), biomass- or biofuel-based CHP plants can be further transformed into bioenergy with carbon capture and storage (BECCS), thus allowing for negative emissions and energy production at the same time.

Learn more about our biomass power plant solutions

What is the best heat decarbonization option for your infrastructure?

For maximum efficiency, it often makes sense to combine different technologies. To make the best choice, there are several factors to consider, such as the required temperature level, dispatchable power needs, green electricity cost, availability of waste heat, and annual heat curve. For instance, if you have a lot of renewable energy, it makes sense to consider Power-to-Heat (P2H).

Heat decarbonization options for infrastrucure

Heat temparature comparison of CHP, electric boilers and heatpumps

Convert existing plants into cogeneration plants

Repurposing existing power plants or heating plants can substantially contribute to decarbonizing your assets. A heating plant can be transformed into a cogeneration plant, and a thermal power plant can be turned into a CHP plant. Alternatively, you can convert the complete thermal plant into a Power to Heat application.

With our Brownfield transformation approach, you can convert existing assets within a short time frame into a low-carbon facility while re-using the existing infrastructure as much as possible.

Use renewable energy to generate heat

Power-to-heat (P2H) systems signal a paradigm shift in the capabilities of low-carbon energy systems. Since heat pumps or electric boilers can be exclusively powered by green electricity, it allows the integration of renewable energy sources in heat energy production—an integration that is both crucial and long overdue.

By adjusting their heat output in response to variations in renewable energy generation, power-to-heat systems can also provide flexibility to the electricity grid. Power-to-heat systems convert surplus renewable energy into usable thermal energy for local or central heating and cooling needs.

By switching from coal- or oil-based steam plants to Gas Turbine powered CHP it is possible to rapidly reduce carbon emissions. Deep de-carbonization can be achieved by switching from natural gas to biofuels or hydrogen. Even negative CO₂ emissions can be reached by combining Carbon Capture Storage (CCS) with biofuels (BECCS).

Due to their high Coefficient of Performance (COP), heat pumps provide low carbon heat. They are completely carbon neutral when powered entirely by renewable energy.

Heat can be stored significantly more cost effectively than electricity. The combination of P2H with CHP stabilizes the power market. Heat pumps are preferably operated at times of low power prices due to surplus renewable energy. When power prices are high CHP plants can profitably sell power and produce heat at the same time. At peak heat demand it is possible to operate the heat pump together with the CHP plant.

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District heating and industrial heat

What is heat decarbonization?

What technologies can help to decarbonize heating?

Gas turbine based CHP solution

Power-to-heat technologies

Clean hydrogen and biofuels

Biomass and BECCS

What is the best heat decarbonization option for your infrastructure?

CHP, electric boilers, and heat pumps: heat temperature comparison

Convert existing plants into cogeneration plants

Use renewable energy to generate heat

Our heat decarbonization solutions provide several benefits

Affordability

Heat networks can play a major role in decarbonizing heat production at a reasonable cost. The technologies to decarbonize industrial heating and district heating already exist and are ready to be scaled.

Sustainability

Flexibility

Low carbon heat references

Mannheim, Germany: Large-scale river heat pump for district heating

Michigan, USA: New power plant helps improve urban life

Schwarzheide, Germany: Efficiency at its best

Leipzig, Germany: Climate neutral power supply

Get in touch with us

District heating and industrial heat

What is heat decarbonization?

What technologies can help to decarbonize heating?

Power-to-heat technologies

Biomass and BECCS

What is the best heat decarbonization option for your infrastructure?

CHP, electric boilers, and heat pumps: heat temperature comparison

Convert existing plants into cogeneration plants

Use renewable energy to generate heat

Our heat decarbonization solutions provide several benefits

Affordability

Sustainability

Flexibility

Mannheim, Germany: Large-scale river heat pump for district heating

Michigan, USA: New power plant helps improve urban life

Schwarzheide, Germany: Efficiency at its best

Leipzig, Germany: Climate neutral power supply

Get in touch with us

References