Distributed Energy Systems - DESY

Kari Sipilä, Miika Rämä, Esa Pursiheimo, Laura Sokka, Atte Löf, Rami Niemi, Jukka Konttinen, Milena Rodriguez, Salvatore Ruggiero, Jussi Maunuksela, Mikko Hietaranta, Henri Karjalainen, Jorma Valta, Timo Kalema, Joni Hilpinen, Jarkko Nyrhinen, Jari Rintamäki, Maxime Viot, Mika Horttanainen, Sanni Väisänen & 9 others Jouni Havukainen, Erkki Hiltunen, Raija Koivisto, Birgitta Martinkauppi, Pasi Rikkonen, Vilja Varho, Saija Rasi, Taija Sinkko, Laura Koistinen

Research output: Book/ReportReportProfessional

Abstract

Combining together different technologies can form a strong hybrid solution adapted to local needs. Local energy production also increases local business and local waste reduces waste management costs, thus enabling other local business and employment. Local energy production also increases energy, electricity and fuel security by reducing import dependency. Waste from one process can be a raw material or fuel for another. By combining the technological solutions for local needs, high primary energy efficiency can be achieved, thereby ensuring that local energy production potential is fully realized. The passive house level is possible to achieve with a well-insulated envelope and effective heat recovery from exhaust air. However, improvements in HVAC systems are more cost-effective than constantly improving the thermal insulation of the envelope. The net zero energy level is difficult to reach, because of heating of hot water, if you do not also build solar heating system or/and warm waste water recovery system. A heat pump system offers a possibility to reduce exterior energy for heating, including also the heating of hot water. The heat pump can also be supported by solar PV panels and COP of the heat pump is possible to increase by solar heating collectors. The net zero-energy building resulted in lower environmental impacts were approximately 50% or less than the district heating and direct electricity heating. Effective and cheap seasonal heat storage is required for good utilisation of solar heating. It is shown by simulations that district heating systems fed by solar heating does not need short-time heat storage. The heat network itself has enough capacity for heat storing. Expert views - there is much potential for small-scale production, but the future development can take very different paths, depending on how energy policy, citizen involvement, and business concepts evolve.
Original languageEnglish
PublisherVTT Technical Research Centre of Finland
Number of pages186
ISBN (Electronic)978-951-38-8318-8
Publication statusPublished - 2015
MoE publication typeNot Eligible

Publication series

NameVTT Technology
PublisherVTT
No.224
ISSN (Print)2242-1211
ISSN (Electronic)2242-122X

Fingerprint

Solar heating
Heating
Heat storage
District heating
Electricity
Pumps
Industry
Heat pump systems
Energy policy
Thermal insulation
Waste heat utilization
Waste management
Electron energy levels
Environmental impact
Energy efficiency
Costs
Water
Raw materials
Wastewater
Recovery

Keywords

  • distributed
  • decentralised
  • energy
  • system
  • renewable
  • local
  • energy source
  • energy storage

Cite this

Sipilä, K., Rämä, M., Pursiheimo, E., Sokka, L., Löf, A., Niemi, R., ... Koistinen, L. (2015). Distributed Energy Systems - DESY. VTT Technical Research Centre of Finland. VTT Technology, No. 224
Sipilä, Kari ; Rämä, Miika ; Pursiheimo, Esa ; Sokka, Laura ; Löf, Atte ; Niemi, Rami ; Konttinen, Jukka ; Rodriguez, Milena ; Ruggiero, Salvatore ; Maunuksela, Jussi ; Hietaranta, Mikko ; Karjalainen, Henri ; Valta, Jorma ; Kalema, Timo ; Hilpinen, Joni ; Nyrhinen, Jarkko ; Rintamäki, Jari ; Viot, Maxime ; Horttanainen, Mika ; Väisänen, Sanni ; Havukainen, Jouni ; Hiltunen, Erkki ; Koivisto, Raija ; Martinkauppi, Birgitta ; Rikkonen, Pasi ; Varho, Vilja ; Rasi, Saija ; Sinkko, Taija ; Koistinen, Laura. / Distributed Energy Systems - DESY. VTT Technical Research Centre of Finland, 2015. 186 p. (VTT Technology; No. 224).
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Sipilä, K, Rämä, M, Pursiheimo, E, Sokka, L, Löf, A, Niemi, R, Konttinen, J, Rodriguez, M, Ruggiero, S, Maunuksela, J, Hietaranta, M, Karjalainen, H, Valta, J, Kalema, T, Hilpinen, J, Nyrhinen, J, Rintamäki, J, Viot, M, Horttanainen, M, Väisänen, S, Havukainen, J, Hiltunen, E, Koivisto, R, Martinkauppi, B, Rikkonen, P, Varho, V, Rasi, S, Sinkko, T & Koistinen, L 2015, Distributed Energy Systems - DESY. VTT Technology, no. 224, VTT Technical Research Centre of Finland.

Distributed Energy Systems - DESY. / Sipilä, Kari; Rämä, Miika; Pursiheimo, Esa; Sokka, Laura; Löf, Atte; Niemi, Rami; Konttinen, Jukka; Rodriguez, Milena; Ruggiero, Salvatore; Maunuksela, Jussi; Hietaranta, Mikko; Karjalainen, Henri; Valta, Jorma; Kalema, Timo; Hilpinen, Joni; Nyrhinen, Jarkko; Rintamäki, Jari; Viot, Maxime; Horttanainen, Mika; Väisänen, Sanni; Havukainen, Jouni; Hiltunen, Erkki; Koivisto, Raija; Martinkauppi, Birgitta; Rikkonen, Pasi; Varho, Vilja; Rasi, Saija; Sinkko, Taija; Koistinen, Laura.

VTT Technical Research Centre of Finland, 2015. 186 p. (VTT Technology; No. 224).

Research output: Book/ReportReportProfessional

TY - BOOK

T1 - Distributed Energy Systems - DESY

AU - Sipilä, Kari

AU - Rämä, Miika

AU - Pursiheimo, Esa

AU - Sokka, Laura

AU - Löf, Atte

AU - Niemi, Rami

AU - Konttinen, Jukka

AU - Rodriguez, Milena

AU - Ruggiero, Salvatore

AU - Maunuksela, Jussi

AU - Hietaranta, Mikko

AU - Karjalainen, Henri

AU - Valta, Jorma

AU - Kalema, Timo

AU - Hilpinen, Joni

AU - Nyrhinen, Jarkko

AU - Rintamäki, Jari

AU - Viot, Maxime

AU - Horttanainen, Mika

AU - Väisänen, Sanni

AU - Havukainen, Jouni

AU - Hiltunen, Erkki

AU - Koivisto, Raija

AU - Martinkauppi, Birgitta

AU - Rikkonen, Pasi

AU - Varho, Vilja

AU - Rasi, Saija

AU - Sinkko, Taija

AU - Koistinen, Laura

PY - 2015

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N2 - Combining together different technologies can form a strong hybrid solution adapted to local needs. Local energy production also increases local business and local waste reduces waste management costs, thus enabling other local business and employment. Local energy production also increases energy, electricity and fuel security by reducing import dependency. Waste from one process can be a raw material or fuel for another. By combining the technological solutions for local needs, high primary energy efficiency can be achieved, thereby ensuring that local energy production potential is fully realized. The passive house level is possible to achieve with a well-insulated envelope and effective heat recovery from exhaust air. However, improvements in HVAC systems are more cost-effective than constantly improving the thermal insulation of the envelope. The net zero energy level is difficult to reach, because of heating of hot water, if you do not also build solar heating system or/and warm waste water recovery system. A heat pump system offers a possibility to reduce exterior energy for heating, including also the heating of hot water. The heat pump can also be supported by solar PV panels and COP of the heat pump is possible to increase by solar heating collectors. The net zero-energy building resulted in lower environmental impacts were approximately 50% or less than the district heating and direct electricity heating. Effective and cheap seasonal heat storage is required for good utilisation of solar heating. It is shown by simulations that district heating systems fed by solar heating does not need short-time heat storage. The heat network itself has enough capacity for heat storing. Expert views - there is much potential for small-scale production, but the future development can take very different paths, depending on how energy policy, citizen involvement, and business concepts evolve.

AB - Combining together different technologies can form a strong hybrid solution adapted to local needs. Local energy production also increases local business and local waste reduces waste management costs, thus enabling other local business and employment. Local energy production also increases energy, electricity and fuel security by reducing import dependency. Waste from one process can be a raw material or fuel for another. By combining the technological solutions for local needs, high primary energy efficiency can be achieved, thereby ensuring that local energy production potential is fully realized. The passive house level is possible to achieve with a well-insulated envelope and effective heat recovery from exhaust air. However, improvements in HVAC systems are more cost-effective than constantly improving the thermal insulation of the envelope. The net zero energy level is difficult to reach, because of heating of hot water, if you do not also build solar heating system or/and warm waste water recovery system. A heat pump system offers a possibility to reduce exterior energy for heating, including also the heating of hot water. The heat pump can also be supported by solar PV panels and COP of the heat pump is possible to increase by solar heating collectors. The net zero-energy building resulted in lower environmental impacts were approximately 50% or less than the district heating and direct electricity heating. Effective and cheap seasonal heat storage is required for good utilisation of solar heating. It is shown by simulations that district heating systems fed by solar heating does not need short-time heat storage. The heat network itself has enough capacity for heat storing. Expert views - there is much potential for small-scale production, but the future development can take very different paths, depending on how energy policy, citizen involvement, and business concepts evolve.

KW - distributed

KW - decentralised

KW - energy

KW - system

KW - renewable

KW - local

KW - energy source

KW - energy storage

M3 - Report

T3 - VTT Technology

BT - Distributed Energy Systems - DESY

PB - VTT Technical Research Centre of Finland

ER -

Sipilä K, Rämä M, Pursiheimo E, Sokka L, Löf A, Niemi R et al. Distributed Energy Systems - DESY. VTT Technical Research Centre of Finland, 2015. 186 p. (VTT Technology; No. 224).