Local heating networks are a key technology for a climate-friendly future. They enable carbon-free heat supply, increase efficiency, and make the transition away from fossil fuels achievable.
Local or district heating networks play a central role in decarbonizing the heating sector by enabling efficient and climate-friendly heat supply. They reduce the reliance on fossil fuels and promote the integration of renewable energy sources into heat generation. Biomass-based local heating offers numerous ecological and economic advantages. Here are the key benefits:
Ecological Benefits:
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- CO₂-neutral energy source – biomass releases only as much CO₂ as the plants absorbed during their growth
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- Sustainability – biomass is a renewable energy source, as wood regrows naturally
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- Resource conservation – utilization of regionally available wood residues
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- Reduction of fine dust emissions – modern biomass systems are equipped with filter technologies that minimize emissions
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- Independence from fossil fuels – reduces reliance on natural gas or heating oil
Economic Benefits:
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- Lower heating costs – wood and other biomass fuels are often more affordable than fossil fuels
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- More stable energy prices – biomass is less susceptible to price fluctuations compared to oil and gas
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- Regional value creation – supports the local economy through the use of regional biomass sources
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Government subsidies – financial support or tax benefits are often available for connecting to a local heating network
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- Low operating costs – less maintenance required for end users compared to individual heating systems
Technical & Comfort Benefits:
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Space-saving – no need for an on-site heating system or fuel storage
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High supply reliability – centrally operated systems are reliable and low-maintenance
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- Reduced effort for end users – no need for personal fuel procurement or system maintenance
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- Easy integration into existing systems – connection to the local heating network is typically straightforward
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Practical Examples
Municipal Heating Network
Company: Nahwärme Berching GmbH & Co.KG
Location: D 92334 Berching
Heat source: moving grate firing 1300 kW
Fuel: wood chips
Municipal Heating Network
Company: Stadt Rietberg
Location: D 33397 Rietberg
Heat source: moving grate firing 875 kW
Fuel: wood chips
Special feature: local heating networks are a key technology for a climate-friendly future. They enable carbon-free heat supply, increase efficiency, and make the transition away from fossil fuels achievable.
Result: high energy efficiency
Municipal Heating Network
Company: Gesellschaft zur Nutzung erneuerbarer Energien mbH VG Otterbach
Location: D 67731 Otterbach
Heat source: moving grate firing 600 kW
Fuel: wood chips G50/W50 from regional forestry
Supplied facilities: supply for an elementary school, kindergarten, and several administrative buildings
Special feature: municipal project focused on regional value creation and sustainable fuel supply
Result: significant CO₂ reduction compared to fossil heating systems, economical continuous operation due to robust technology
Energy cooperative with community participation
Company: Biomassenheizwerk Untereglfing Genossenschaft eG
Location: D 82436 Eglfing
Heat source: moving grate firing 600 kW
Fuel: wood chips G100/W35
Special feature: stable heat prices, high acceptance among the population
Result: about 700,000 kg of CO₂ emissions saved per year
