Technical solutions
Data centers, the new way of heating districts?
Focus of the text The text describes a new way of repurposing heat thanks to "liquid cooled data centers". The method makes it ... read more
Minimizing cost and CO2 integrating two solutions (ground source heat pump and district heating and cooling)
Focus of the text The text describes a new solution with the potential to reduce the cost and CO2 production of energy companies. This ... read more
Increased energy optimisation using low temperature convectors
A new method of low-temperature heating system makes it possible to reduce energy use by at least 30% and shortens the payoff time for housing cooperatives. read more
Local low temperature networks for heating and cooling
In the Netherlands the KoWaNet project has tested local low temperature networks in order to make heating and cooling of Dutch buildings carbon neutral. read more
Digitalisation and heat pumps – next step towards fossil free energy systems
The digitalisation process in society means new business models for heat pumps as well as the need for further development of integrated solutions. European Heat Pump Association, EHPA has provided an overview on the subject. read more
How to utilize district heating for cooling in a smart way
Energy providers and property owners can both benefit from an innovative cooling concept based on the utilization of the flexibility in district heating systems, and in particular by harvesting excess heat from a cooling process. A Berlin demo case is presented from the Flexi-Sync project. read more
Heat pumps in district heating systems
The combination of district heating and heat pumps are foreseen to have a key role in the future district heating systems. This article looks at the integration of large-scale heat pumps in district heating, which can help balancing the power grid when the production of electricity from intermittent renewable energy sources fluctuates. read more
Ownership and district heating prices: The case of an unregulated natural monopoly
This study is investigating how Swedish energy prices are influenced by the owner of the energy network - a private or a municipal company. read more
The impact of refrigeration technology on climate, economy and health
This article describes the refrigeration industry from an environmental point of view and argues for phasing out refrigerators with gases that contribute to global warming. read more
Friendly Sam – Tools for modelling and optimising energy systems
This text describes Friendly Sam, a toolbox developed to formulate optimisation-based models of energy systems. read more
Transition strategies for delivering low carbon district heat: 6 guides to put you on the right track
The HeatNet NWE project aims to introduce 4DHC (4th generation District Heating) in North West Europe. Here are six guides from the project. read more
Improving energy efficiency – A handbook on DH upgrading paves the way
This handbook from the Upgrade DH project describes technical and non-technical approaches for upgrading existing systems. read more
How to optimise district energy flexibility
This article is based on a webinar within the project Flexi-Sync and describes the approach taken in the project to optimise district energy flexibility. read more
Database for interactive webtools and GIS maps
This database collects useful web applications and interactive maps from around the world to be used for the study of sustainable Energy Systems. read more
Utility-side optimisation: The art of delivering the right temperature at the right time
This article presents three methods for optimising the operation of a District Heating/District Cooling network, focusing on the utility side of the network. read more
Thermal Energy Storage
This article presents an overview of Thermal Energy Storage (TES), which can help balance energy demand and supply over time - and reduce CO2 emissions and costs. read more
Catching the sunlight: Solar heat for cities
The IEA publication Solar Heat for cities: The sustainable solution provides information about solar heating for cities and showcases nine solar district heating systems built in Europen cities. read more
How to plan and optimise production of district heat
This article describes different ways to optimise the production and supply of district heat and cooling, from smaller to larger optimisations. read more
Don’t waste the waste water: Clean energy from sewage
Sewage water can be used to recover waste heat for heating or cooling buildings, and the use of waste water has high energy potential. read more
Excess heat from datacentres: Let your Insta-selfies heat your home
This article describes strategies to improve energy efficiency in data centres - such as using waste heat for district heating systems. read more
Waste-to-Energy: Making use of useless waste
In this text you can learn about waste incineration and Waste-to-energy (WtE). It also describes the method's role in recycling and its part in a circular economy. read more
Case studies of Low Temperature District Heating systems
This text summarizes 10 case studies on low temperature district heating (LTDH) systems and presents the resulting measured data. read more
High Temperature District Cooling technology
High temperature district cooling (HTDC) refers to district cooling systems operating at higher temperature levels than traditional systems. Using higher temperatures has many potential benefits in terms of reduced energy use, reduced emissions and reduced costs. read more
Webinar: Low temperature district heating
Low temperature district heating can prove to be an important part in also keeping the globe’s temperature low. This webinar presents some of the opportunities and challenges cities may encounter in their endeavour towards a sustainable and efficient low temperature district heating systems. read more
Distribution Technologies for LTDH/HTDC
This article presents different aspects of distribution-side technologies for LTDH and HTDC. read more
Utility-side storage
There are big advantages with short term thermal storage (TES) to cut daily peaks in the heat load in DH/DC systems. read more
Strategies for decreasing peak loads and energy use
This article describes the main techniques adopted for decreasing peak loads and manage the demand side of a DH or DC system. read more
Geothermal heat – remnants of the Big Bang
Ground source heat pumps (GSHP) and deeper geothermal heat can provide temperatures high enough for conventional DH. read more
Biomass for the masses
Biofuel CHP plants have the potential to be used as a renewable peak plant, during times of low supply or high demand. read more
Strategies and concepts for LTDH and HTDC
DH systems operating at lower temperatures than conventional systems enable utilizing heat sources with low temperature like waste heat. read more
District cooling in Helsingborg, Sweden
In Helsingborg, an absorption chiller at Västhamnsverket has been installed by Öresundskraft in order to deliver district cooling. read more
Solar
This article describes how solar energy can be harvested and used to supply district heating networks. read more
Heat recovery from the London Underground in Islington, United Kingdom
Excess heat from the London Underground provides district heating in Islington, where LO2 and LO3 are two of London's demonstrators. read more
Excess heat recovery from sewage water in Cologne, Germany
The demonstrators in Cologne recover heat from sewage water and use it in decentralized local heating networks. read more
Webinar: Using buildings as thermal energy storages – Kvillebäcken demo
The utilisation of residential buildings as thermal energy storage has been implemented in a pilot project i Kvillebäcken in Sweden. read more
Webinar: Operations management in district heating
Göteborg Energi presents the different types of personnel, the graphical IT tools, and how they can be used for diagnostics of failures. read more
Webinar: Optimising DH systems at building level
Innovative solutions for buildings through optimisation of substations, and recommendations for regulating radiator temperature. read more
Webinar: OPTi-mising district heating solutions
The OPTi project aims to optimizing the architecture and control of DHC systems through advanced modelling, analysis and control. read more
Webinar: IT solutions for demand side management
Innovative IT solutions give the end-users the possibility to understand, monitor, predict and control their energy consumption. read more
Webinar: Integration of heat, power and intermittent renewables
With the evolution of electricity/power sources and district energy systems, it is becoming easier to increase the interaction. read more
Webinar: District heating to white goods
Involvment of the tenants in Gårdsten in Gothenburg has made it possible to install district heating to white goods. read more
Webinar: Finding the win-win situation of recuperating excess heat
This webinar focuses on surplus heat recuperation from a public transportation system, and from a waste incineration plant. read more
Webinar: Seasonal and short-term storage
Thermal energy storage (TES) can balance the demand and supply during peak periods, as well as maximising system efficiency. read more
Webinar: Short-term storage in buildings
This presentation describes the long-term project by Gothenburg Energy on how to go ahead with short-term storage in buildings. read more
Excess heat from cooling at Grundfos in Bjerringbro, Denmark
The pump manufacturer Grundfos and Bjerringbro Varmeværk, invested in three heat pumps to co-produce heat and cooling. read more
Excess heat from mink coat storage in Copenhagen, Denmark
The excess heat from Kopenhagen Furs large cold storage is sent to the local district heating company, Glostrup Varme. read more
Energy optimization in a supermarket in Høruphav, Denmark
Excess heat from the refrigeration system of the Høruphav supermarket is delivered to Sønderborg Fjernvarme. read more
Excess heat from a vegetable market, Denmark
Low-temperature heat from district cooling is used to produce district heating to Copenhagen Markets with a large cooling demand. read more
District heating from super supermarkets, Denmark
This project explores the possibilities of utilizing supermarket refrigeration systems as sources for district heating networks. read more
Exploiting excess heat from a converter station in Endrup, Denmark
An international connection between Denmark and the Netherlands called COBRA cable deliver excess heat to the local district heating network. read more
Co-production with a gas engine driven heat pump in Tønder, Denmark
40% of the total heat production in Tønder can be produced by the two parallel mechanical heat pumps. read more
Excess heat from sewage in Hamburg and Singen, Germany
Multiple heat recovery projects from sewage water exist in Germany. read more
Energy recovered from sewage water in Sandvika, Norway
The heat pump facility called Sandvika Energisentral utilizes sewage water for both heating and cooling purposes. read more
Heat pumps using waste water in Gothenburg, Sweden
Four heat pumps extract excess heat from a waste water treatment plant, which is delivered to the local district heating network. read more
Industrial waste water used for district heating in Rødkærsbro, Denmark
Rødkærsbro Fjernvarmeværk connected the Arla dairy with the district heating network, by the establishment of two sets of pipelines. read more
Waste water as heat source in Kalundborg, Denmark
In Kalundborg, a 10MW electric heat pump is installed, utilizing heat from waste water to produce district heating. read more
District heating in Castelnuovo del Garda, Italy
The district heating network in Castelnuovo del Garda is powered by residual heat recovered from Air Liquide. read more
Excess heat from lignite mining in Bergheim, Germany
The thermal potential of sump water from open pit mining is used to supply heat to nearby communities through district heating networks. read more
Industrial residual heat and transmission in Leiden, Netherlands
The project Warmtelevering Leidse Regio (WLR) transmiss industrial residual heat from the port of Rotterdam to the greater Leiden area. read more
Open District Heating in Stockholm, Sweden
Open District Heating offers data centres, supermarkets and other businesses that generate excess heat to sell heat at an open marketplace. read more
Excess heat from a datacentre in Val d’Europe, France
A new heating system near Val’dEurope outside Paris is utilizing the excess heat from a local data centre. read more
A datacentre supplies local heating in Mäntsälä, Finland
A heat pump capable of supplying 1500 homes extracts heat from a nearby data centre in Mäntsälä. read more
Heat recovery from a local paper mill in Skjern, Denmark
Skjern Papirfabrik invested in a large heat pump to make use of low-temperature waste heat from the paper drying process. read more
Excess heat from hospital chillers in Viborg, Denmark
Excess heat from chillers from the hospital is distributed to the local district heating network using a heat pump solution. read more
Heat recovery at a hospital in Budapest, Hungary
Waste water from the sewage system is used for both heating and cooling purposes in Budapest. read more
District heating from a crematory in Aalborg, Denmark
The local district heating company in Aalborg receives excess heat from the crematory after the installation of a new filtration system. read more
Webinar: Heat-pumping the future of district energy
The main drivers and barriers for the deployment of heat pumps in district energy systems are explored in this webinar. read more
New focus on expanding a district heating network
How should an existing grid be expanded within the local conditions in the best possible way? read more
Hot cooling and cool heating: Demand-side technologies for district heating and cooling
Building or adapting space heating systems to suit low-temperature heat supply is a matter of design parameters. read more
Making the underground cool again
Installation in the London Tube - a new system of heat exchangers and a heat pump allows suitable temperature all year round. read more
One grid to connect them all
Synergies explored in an open district heating network, where supply and demand of heat and cold are optimized. read more
Less oil, less noise, less money
District heating to ships is a win-win investment, with less pollution. read more
The river provides indoors cooling
A big multi-functional building in Rotterdam is cooled by the water of the river that runs through it. read more
Free cooling from water
Bring sustainable chill in – and chill out. Cooling with running water in nature is a sustainable alternative. read more