Future Green Buildings: A Key to Cost-Effective Sustainable Energy Systems

Research output: ResearchReport

Abstract

Efficient buildings are essential for an affordable Danish energy supply in 2050. The purpose of this report is to describe the contribution and role of the building sector in a 100% renewable energy future, as well as the transitions that are necessary in the building sector to support this change. The report builds on a literature review encompassing more than 50 reports and research papers over the last 10 years and more than a two decades knowledge about the interactions between different components of the energy sector. The review has been focused on aspects such as cost-effective solutions from an energy system integration perspective, heat savings, electricity savings, and user behavioural aspects as well as energy storage and household level flexibility.
Many reports on green or sustainable buildings focus only on savings levels and disregard the cost of renewable energy production. Some reports focus on building level on‐site renewable energy production optimising storage for passive houses or net‐zero emission buildings. The question is, how far should we go with savings? What is the role of flexible demand or storage at the building level? And to what extent should on‐site renewable energy production be the solution?
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Efficient buildings are essential for an affordable Danish energy supply in 2050. The purpose of this report is to describe the contribution and role of the building sector in a 100% renewable energy future, as well as the transitions that are necessary in the building sector to support this change. The report builds on a literature review encompassing more than 50 reports and research papers over the last 10 years and more than a two decades knowledge about the interactions between different components of the energy sector. The review has been focused on aspects such as cost-effective solutions from an energy system integration perspective, heat savings, electricity savings, and user behavioural aspects as well as energy storage and household level flexibility.
Many reports on green or sustainable buildings focus only on savings levels and disregard the cost of renewable energy production. Some reports focus on building level on‐site renewable energy production optimising storage for passive houses or net‐zero emission buildings. The question is, how far should we go with savings? What is the role of flexible demand or storage at the building level? And to what extent should on‐site renewable energy production be the solution?
Original languageEnglish
PublisherDepartment of Development and Planning, Aalborg University
ISBN (Print)978-87-91404-82-5
Commissioning bodyBygherreforeningen
StatePublished - May 2016
Publication categoryResearch
Peer-reviewedNo

Bibliographical note

How can the building sector ensure an efficient and affordable energy supply in the future?
Efficient buildings are essential for an affordable Danish energy supply in 2050. This report describes the contribution and role of the building sector in a 100% renewable energy future, as well as the transitions that are necessary in the building sector to support this change.
The report results in a lot of recommendations, for example:
1.Energy savings need to be made in the existing building stock. It is less important to place focus on new buildings to save energy in the future energy system.
2.It is necessary to consider and address connecting technical energy renovations and operation (smart meters) to user behaviour in the building.
3.It is cost‐effective for the energy system to increase the share of district heating from around half of the heat supply today to around two thirds in 2050.

Udgivet: 2016

    Research areas

  • Energy supply , Efficient buildings , Vedvarende energi , Bygninger, Reduktion af energiforbrug , Energikilder, Lagringsmuligheder

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