HPT MAGAZINE - A Heat Pump Centre Product Web version
3822 HPT nyhetsbrev 2018
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Read the full HPT Magazine here.

Integration of Heat Pumps
into the Future Energy System
The actual and potential global effects of the Corona virus are massive. For HPT, the most significant effect so far is postponing of the 13th IEA heat pump conference. When this is being written, several countries have closed their borders and are also taking other measures to reduce contamination and the numbers of severely ill people. We agree with Fatih Birol, Excecutive Director of IEA, who urges "that governments can use the current situation to step up their climate ambitions and launch sustainable stimulus packages focused on clean energy technologies. The coronavirus crisis is already doing significant damage around the world. Rather than compounding the tragedy by allowing it to hinder clean energy transitions, we need to seize the opportunity to help accelerate them".

We already know that the energy system of tomorrow cannot look like the one of yesterday. In the future, fossil fuels must be replaced by renewable energy sources, due to environmental impact and resource depletion. Such distributed and intermittent production could, of course, be problematic. But this issue of HPT Magazine, with the topic “Integration of heat pumps into the future energy system”, shows that solutions are within reach

Below is a list of articles included in the Magazine. The articles in bold can also be found further down, in versions shortened by the HPC.
  • Foreword: Integration of Heat Pumps
    into the Future Energy System, by Svend Pedersen
  • Column: Heat Pump R&D for Appliance Applications, by Kashif Nawaz,  Kyle R Gluesenkamp, Viral K Patel
  • News in focus: In Memory of Gerald Groff, 1934-2019
  • Heat Pumping Technologies News
  • Ongoing Annexes in HPT TCP
  • Market Report: Japan
  • Topical Article: Annex 47: Heat Pumps in District Heating and Cooling Systems, by Svend Pedersen
  • Topical Article: Grid Flexible Control of Heat Pumps,
    by Markus Lindahl
Read the full HPT Magazine here.

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Heat pump R&D for appliance applications
A large part of residential buildings’ energy use is due to water heaters and white goods. Among white goods, dishwashers and clothes dryers use as much as 83 and 185 TWh respectively of primary energy annually in the US. Clearly, finding ways to reduce energy use and global warming impact of these products is of high interest. And research and development is underway.

Regarding water heaters, products based on heat pumping technologies have the potential to reduce the energy use to less than half, compared to conventional products. Such a cut also leads to substantially decreased greenhouse gas emissions. In addition, there is ongoing research to find efficient refrigerants with a considerably lower global warming potential than standard refrigerants. In combination, this would make heat pump water heaters a very attractive alternative in terms of environmental impact..
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Market Report: Japan
In Japan, heat pumps are a well-known product in both private and commercial settings. They have also been embraced by various types of industries. This development began several decades ago and has been further pushed by energy conservation measures. These were formulated by the Agency for Natural Resources and Energy, stipulating an energy conservation of 50.3 million m3 crude oil equivalent between 2013 and 2030.

The true success story of heat pumps in Japan is found in the domestic area. In 2014, a statistic survey showed a market penetration for reversible room air conditioners (ACs), which can be used for heating and cooling, as high as 90%. For every 1000 households, there were 2723 such applications.

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Heat pumps in district heating and cooling systems
Heat pumps and district heating might look like competitors for the same market shares. But that is only at a first glance. Looking into the technologies and at the entire energy system it becomes clear that a combination of the two has many advantages. This has been the topic of HPT TCP Annex 47.

A study carried out in 14 countries in Europe shows that district heating is an economically viable solution in most urban areas. More than half of the heat demand could be covered, ultimately also reducing greenhouse gas emissions and primary energy demand. Adding large-scale heat pumps to this, the study results imply that the systems would become more flexible and supply-safe. A catalogue including as many as 39 examples of heat pumps integrated in different ways in distict heating systems has been compiled within Annex 47.

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Grid Flexible Control of Heat Pumps
The European energy system is changing. Renewable energy sources are providing ever larger shares of the energy used, and this is of significance also for the other parts of the system. In this transformation, heat pumps can be an asset providing demand response to the power system. The project Flexible Heat and Power (FHP) has investigated the possibilities.

Introducing elements of demand response means that the power from intermittent sources such as wind and sun can be used more efficiently. The effects include peak shaving, balancing of consumption, and avoiding curtailment of power production. In FHP, heat pumps are clustered, and their power consumption collectively controlled in order to enhance the demand response potential.

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