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Brandt, Nils
Publications (10 of 58) Show all publications
Nilsson, A., Lazarevic, D., Brandt, N. & Kordas, O. (2018). Household responsiveness to residential demand response strategies - Results and policy implications from a Swedish field study. Energy Policy
Open this publication in new window or tab >>Household responsiveness to residential demand response strategies - Results and policy implications from a Swedish field study
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2018 (English)In: Energy Policy, ISSN 0301-4215, E-ISSN 1873-6777Article in journal (Refereed) Published
Abstract [en]

To realize the benefits of smart grids, residential demand response (DR) aims to increase demand flexibility by influence household electricity consumption. Although price-based DR programs have shown potential, there is a need to further investigate the effectiveness of DR in energy strategy and policy development. The evaluation of DR has focused on the impact on overall power demand, assuming that consumers are economically rational decision-maker. However, recent findings suggest that consumer responses have been insufficient and calls have been made to identify novel evaluation approaches that better reflect the human dimension of energy consumption. Continuing this line of enquiry, this paper aims to investigate the effectiveness of DR and explore the potential of environmental incentives for increased consumer engagement. We propose an interdisciplinary evaluation framework to understand variations in household responsiveness to DR strategies, which is tested in a Swedish DR field trial covering 136 households during 2017. Results suggest that the effectiveness of DR varies widely across household type; ranging from substantial reductions in overall consumption and during peak periods, to increases in consumption during peak periods. Furthermore, a clear favor of price incentives, compared to environmental incentives, as the most efficient strategy to increase demand flexibility was observed.

Place, publisher, year, edition, pages
Elsevier, 2018
National Category
Energy Systems
Identifiers
urn:nbn:se:kth:diva-239302 (URN)10.1016/j.enpol.2018.07.044 (DOI)000447576700026 ()2-s2.0-85050794561 (Scopus ID)
Note

QC 20181120

Available from: 2018-11-19 Created: 2018-11-19 Last updated: 2024-03-18Bibliographically approved
Nilsson, A., Wester, M., Lazarevic, D. & Brandt, N. (2018). Smart homes, home energy management systems and real-time feedback- Lessons for influencing household energy consumption from a Swedish field study. Energy and Buildings, 179, 15-25
Open this publication in new window or tab >>Smart homes, home energy management systems and real-time feedback- Lessons for influencing household energy consumption from a Swedish field study
2018 (English)In: Energy and Buildings, ISSN 0378-7788, E-ISSN 1872-6178, Vol. 179, p. 15-25Article in journal (Refereed) Published
Abstract [en]

Home energy management systems (HEMS), providing energy feedback and smart features through in-home displays, have the potential to support more sustainable household decisions concerning energy consumption. However, recent findings from European smart metering trials have reduced the optimism, suggesting only modest savings from energy feedback. In this paper, we investigate the potential of HEMS to foster reductions in energy use, focusing on a population segment of particular relevance; high-income and highly educated households, considered as early adopters of smart grid technologies. Covering 154 households participating in a field trial in a sustainable city district in Stockholm, Sweden during one year, this study draws on the analyses of smart meter electricity and hot tap water data and in-depth interviews to provide an increased understanding of how feedback and features are perceived, used, and acted upon, and resulting effects on awareness, behavior, and consumption. Our results show that impact on energy consumption varies widely across individual households, suggesting that households respond to energy feedback highly individually. Although HEMS may lead to increased awareness of energy consumption, as well as increased home comfort, several obstacles for energy consumption behavioral change are identified. Drawing from these findings, we suggest policy implications and key issues for future research.

Place, publisher, year, edition, pages
Elsevier, 2018
National Category
Energy Systems
Identifiers
urn:nbn:se:kth:diva-239301 (URN)10.1016/j.enbuild.2018.08.026 (DOI)000449901000002 ()2-s2.0-85053516354 (Scopus ID)
Note

QC 20181120

Available from: 2018-11-19 Created: 2018-11-19 Last updated: 2024-03-18Bibliographically approved
Holmstedt, L., Nilsson, A., Mäkivierikko, A. & Brandt, N. (2018). Stockholm Royal Seaport moving towards the goals—Potential and limitations of dynamic and high resolution evaluation data. Energy and Buildings, 169, 388-396
Open this publication in new window or tab >>Stockholm Royal Seaport moving towards the goals—Potential and limitations of dynamic and high resolution evaluation data
2018 (English)In: Energy and Buildings, ISSN 0378-7788, E-ISSN 1872-6178, Vol. 169, p. 388-396Article in journal (Refereed) Published
Abstract [en]

Cites have been identified as one key arena to meet future sustainability challenges. However, if cites are to be part of the transition it must become possible to confirm results of ongoing actions. By the introduction information and communication technologies, it has become easier to collect performance parameters from the built environment, thereby enable more detailed evaluation. The aim of this paper is therefore to examine the potential and limitation of using dynamic and high resolution meter data for evaluation of energy consumption in buildings and households. The novelty of this approach is that dynamic and high resolution meter data can increase the level of detail in evaluation results and ease detection of deviations in the structures performance. However, most benefits are found from the occupant perspective, as more detailed evaluation information enable better inclusion of this stakeholder group. Furthermore this study has shown that the commonly used indicator energy use per heated floor area is an insufficient communication tool when taking holistic approach to building energy evaluation. Limitation to full use of dynamic and high resolution meter data have been identified to data collection and management, preservation of personal integrity and incentives to react on the given evaluation information.

Place, publisher, year, edition, pages
Elsevier, 2018
Keywords
Building evaluation, Dynamic evaluation, High resolution meter data, Stockholm Royal Seaport
National Category
Energy Systems
Identifiers
urn:nbn:se:kth:diva-227540 (URN)10.1016/j.enbuild.2018.03.078 (DOI)000434005700035 ()2-s2.0-85045403250 (Scopus ID)
Note

QC 20180509

Available from: 2018-05-09 Created: 2018-05-09 Last updated: 2024-03-18Bibliographically approved
Holmstedt, L., Brandt, N. & Robert, K.-H. (2017). Can Stockholm Royal Seaport be part of the puzzle towards global sustainability?: - From local to global sustainability using the same set of criteria. Journal of Cleaner Production, 140, 72-80
Open this publication in new window or tab >>Can Stockholm Royal Seaport be part of the puzzle towards global sustainability?: - From local to global sustainability using the same set of criteria
2017 (English)In: Journal of Cleaner Production, ISSN 0959-6526, E-ISSN 1879-1786, Vol. 140, p. 72-80Article in journal (Refereed) Published
Abstract [en]

Urban sustainable development is today seen as one of the keys towards unlocking the quest for a sustainable world. One feature of urban sustainability is the increased interest in developing sustainable urban districts. For many of these developments, guiding sustainability documents are developed to frame future goals. However, few of these documents specify on which grounds they determine the sustainability of goals and they are largely developed as independent islands of local sustainability. This is unfortunate as cities and their districts are fully dependent on surrounding environments. Failing to include a holistic approach into,the local planning increases the risk of sub-optimisation, future lock-ins and missed targets on a higher level. The aim of this study is to analyse whether the environmental and sustainability programme for Stockholm Royal Seaport, a new urban district in Stockholm, Sweden, can guide development of the district towards holistic ecological sustainability. By using the Framework for Strategic Sustainable Development a holistic template for an ecologically sustainable planet has been described, important sectors for the built environment have been identified and the environmental and sustainability programme for the district has been analysed. This study showed that the vision and operational goals put forward in the Stockholm Royal Seaport programme complies relatively well with the designed template. However, important deviations in all sectors but land use have been identified. These deviations arise in the translation process between theory and practice. The vision for the district and the implementation phase are not aligned due to too narrow a perspective of a sustainable urban district, lack of robust sustainability principles including use of such to identify key strategic questions. In addition to the lack of an all-embracing conceptual framework, there is also a lack of structures for cooperation between stakeholders and conflicts between local and regional agendas. Use of a unifying framework can describe desirable future scenarios where the local level does not contribute to violation of the universal sustainability principles and identify step-wise routes towards such scenarios.

Place, publisher, year, edition, pages
Elsevier, 2017
Keywords
Sustainable urban development, Framework for strategic sustainable development, Stockholm Royal Seaport, Sustainable district
National Category
Environmental Management
Identifiers
urn:nbn:se:kth:diva-198867 (URN)10.1016/j.jclepro.2016.07.019 (DOI)000388775100008 ()2-s2.0-84994582556 (Scopus ID)
Note

QC 20170102

Available from: 2017-01-02 Created: 2016-12-22 Last updated: 2024-03-18Bibliographically approved
Nilsson, A. & Brandt, N. (2017). Proposing an Hourly Dynamic Wind Signal as an Environmental Incentive for Demand Response. In: ADVANCES AND NEW TRENDS IN ENVIRONMENTAL INFORMATICS: STABILITY, CONTINUITY, INNOVATION. Paper presented at Conference on Environmental Information and Communication Technologies (EnviroInfo), SEP 14-16, 2016, Univ Appl Sci, Hochschule Technik & Wirtschaft Berlin, Berlin, GERMANY (pp. 153-164). Springer
Open this publication in new window or tab >>Proposing an Hourly Dynamic Wind Signal as an Environmental Incentive for Demand Response
2017 (English)In: ADVANCES AND NEW TRENDS IN ENVIRONMENTAL INFORMATICS: STABILITY, CONTINUITY, INNOVATION, Springer, 2017, p. 153-164Conference paper, Published paper (Refereed)
Abstract [en]

Demand Response (DR) is expected to play a crucial role in balancing supply and demand in future smart grids with increased proportion of electricity from renewable sources. However, previous studies on price-based DR programs have shown that there is a substantial need to strengthen the incentive models in order to achieve sufficient end-user response. In addition, recent studies are starting to explore alternative incentives based on environmental performance as a support to dynamic pricing tariffs. In this paper, we investigate in the potential of using a dynamic wind signal, reflecting the hourly variations in wind power generation, as an environmental incentive for load shift in DR programs. A wind signal is constructed based on Swedish electricity generation data for 2014, and intraday and seasonally patterns of wind power generation are analyzed with respect to hourly electricity spot prices. The results show that a wind signal is supportive to the economic incentive of a dynamic price signal to stimulate intraday load shift by end-use customers; shifting electricity consumption from hours of high price and low wind power generation to hours of low price and high wind power generation, leading to both consumer cost-savings and reduced climate impact in the long term.

Place, publisher, year, edition, pages
Springer, 2017
Series
Progress in IS, ISSN 2196-8705
Keywords
Wind power, Electricity spot price, Demand response, Smart grids, Renewable energy
National Category
Environmental Sciences
Identifiers
urn:nbn:se:kth:diva-202438 (URN)10.1007/978-3-319-44711-7_13 (DOI)000392263600013 ()978-3-319-44711-7 (ISBN)978-3-319-44710-0 (ISBN)
Conference
Conference on Environmental Information and Communication Technologies (EnviroInfo), SEP 14-16, 2016, Univ Appl Sci, Hochschule Technik & Wirtschaft Berlin, Berlin, GERMANY
Note

QC 20170306

Available from: 2017-03-06 Created: 2017-03-06 Last updated: 2024-01-22Bibliographically approved
Nilsson, A., Stoll, P. & Brandt, N. (2015). Assessing the impact of real-time price visualization on residential electricity consumption, costs, and carbon emissions. Resources, Conservation and Recycling, 124, 152-161
Open this publication in new window or tab >>Assessing the impact of real-time price visualization on residential electricity consumption, costs, and carbon emissions
2015 (English)In: Resources, Conservation and Recycling, ISSN 0921-3449, E-ISSN 1879-0658, Vol. 124, p. 152-161Article in journal (Refereed) Published
Abstract [en]

The development of smart grid projects, with demand side management as an integral part, has led to an increased interest of households’ willingness to react to different types of demand response programs. This paper presents a pilot study assessing the impact of real-time price visualization on residential electricity consumption, and its effects on electricity costs and carbon (CO2eq) emissions. We analyze changes in electricity consumption based on a test group and a reference group of 12 households, respectively. To allow for analysis on load shift impact on CO2eq emissions, hourly dynamic CO2eq intensity of the Swedish electricity grid mix is calculated, using electricity generation data, trading data, and fuel-type specific emission factors. The results suggest that, on average, the test households shifted roughly 5% of their total daily electricity consumption from peak hours (of high electricity price) to off-peak hours (of low electricity price) as an effect of real-time price visualization. However, due to the mechanisms of the Swedish electricity market, with a negative relation between spot price and CO2eq intensity, the load shift led to a split effect; electricity costs modestly decreased while CO2eq emissions increased. In addition, any indication of the contribution of real-time spot price visualization to a reduction in overall household electricity consumption level could not be found, as the relative difference in consumption level between the test households and the reference households remained constant during both the baseline period and the test period. 

Place, publisher, year, edition, pages
Elsevier, 2015
Keywords
Demand-response; Real-time electricity price visualization; Residential electricity consumption; CO2 emissions; Dynamic CO2 intensity
National Category
Energy Systems
Identifiers
urn:nbn:se:kth:diva-239182 (URN)10.1016/j.resconrec.2015.10.007 (DOI)000403860200015 ()2-s2.0-84951764359 (Scopus ID)
Note

QC 20181120

Available from: 2018-11-19 Created: 2018-11-19 Last updated: 2024-03-18Bibliographically approved
Shahrokni, H., Årman, L., Lazarevic, D., Nilsson, A. & Brandt, N. (2015). Implementing Smart Urban Metabolism in the Stockholm Royal Seaport: Smart City SRS. Journal of Industrial Ecology, 19(5), 917-929
Open this publication in new window or tab >>Implementing Smart Urban Metabolism in the Stockholm Royal Seaport: Smart City SRS
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2015 (English)In: Journal of Industrial Ecology, ISSN 1088-1980, E-ISSN 1530-9290, Vol. 19, no 5, p. 917-929Article in journal (Refereed) Published
Abstract [en]

For half a century, system scientists have relied on urban metabolism (UM) as a pragmatic framework to support the needed transition toward sustainable urban development. It has been suggested that information and communication technology (ICT) and, more specifically, smart cities can be leveraged in this transition. Given the recent advances in smart cities, smart urban metabolism (SUM) is considered a technology-enabled evolution of the UM framework, overcoming some of its current limitations. Most significantly, the SUM framework works at high temporal (up to real-time) and spatial (down to household/individual) resolutions. This article presents the first implementation of SUM in the Smart City Stockholm Royal Seaport R&D project; it further analyzes barriers and discusses the potential long-term implications of the findings. Four key performance indicators (KPIs) are generated in real time based on the integration of heterogeneous, real-time data sources. These are kilowatt-hours per square meter, carbon dioxide equivalents per capita, kilowatt-hours of primary energy per capita, and share of renewables percentage. These KPIs are fed back on three levels (household, building, and district) on four interfaces, developed for different audiences. The most challenging barrier identified was accessing and integrating siloed data from the different data owners (utilities, building owners, and so forth). It is hard to overcome unless a significant value is perceived. A number of long-term opportunities were described in the SUM context; among those, it is envisioned that SUM could enable a new understanding of the causalities that govern urbanism and allow citizens and city officials to receive feedback on the system consequences of their choices.

Place, publisher, year, edition, pages
John Wiley & Sons, 2015
Keywords
augmented reality, big data, industrial ecology, smart cities, sustainable city, urban metabolism
National Category
Environmental Engineering
Identifiers
urn:nbn:se:kth:diva-172653 (URN)10.1111/jiec.12308 (DOI)000363267800020 ()2-s2.0-84949537790 (Scopus ID)
Note

QC 20151113

Available from: 2015-08-27 Created: 2015-08-27 Last updated: 2024-03-18Bibliographically approved
Aid, G., Brandt, N., Lysenkova, M. & Smedberg, N. (2015). Looplocal - a heuristic visualization tool to support the strategic facilitation of industrial symbiosis. Journal of Cleaner Production, 98, 328-335
Open this publication in new window or tab >>Looplocal - a heuristic visualization tool to support the strategic facilitation of industrial symbiosis
2015 (English)In: Journal of Cleaner Production, ISSN 0959-6526, E-ISSN 1879-1786, Vol. 98, p. 328-335Article in journal (Refereed) Published
Abstract [en]

Industrial symbiosis (IS) developments have been differentiated as self-organized, facilitated, and planned. This article introduces a tool, Looplocal, which has been built with objectives to support the strategic facilitation of IS. Looplocal is a visualization tool built to assist in 1) Simplifying the identification of regions susceptible to new industrial symbiosis facilitation activities 2) Enabling proactive and targeted marketing of potential exchanges to key actors in specific regions and 3) Assisting facilitators to assess the various strategies and consequential engagement and analysis methodologies suitable for additional IS development in specific regions. The tool compares industrial symbiosis data and estimated regional material and energy flows (on a facility level) to identify potential IS transfer information along with key stakeholder and network data. The authors have performed a proof of concept run of this tool on Sweden. In its early stages of application the method has given results seen as useful for identifying regions susceptible to the investment of symbiosis facilitators' time and resources. The material focus and customization possibilities for the tool show potential for a spectrum of potential facilitators: from waste management companies to national or regional authorities. In conjunction with long term business models, such a tool might be utilized throughout an adaptive chain of facilitation activities and aims.

National Category
Civil Engineering
Identifiers
urn:nbn:se:kth:diva-170951 (URN)10.1016/j.jclepro.2014.08.012 (DOI)000356194300033 ()2-s2.0-84929966422 (Scopus ID)
Note

QC 20150713

Available from: 2015-07-13 Created: 2015-07-13 Last updated: 2024-03-18Bibliographically approved
Shahrokni, H., Lazarevic, D. & Brandt, N. (2015). Smart Urban Metabolism: Towards a Real-Time Understanding of the Energy and Material Flows of a City and Its Citizens. The Journal of urban technology, 22(1), 65-86
Open this publication in new window or tab >>Smart Urban Metabolism: Towards a Real-Time Understanding of the Energy and Material Flows of a City and Its Citizens
2015 (English)In: The Journal of urban technology, ISSN 1063-0732, E-ISSN 1466-1853, Vol. 22, no 1, p. 65-86Article in journal (Refereed) Published
Abstract [en]

Urban metabolism is a concept employed to understand the flow of energy and materials through urban areas. However, applying this approach at the city level has been limited by the lack of data at this scale. This paper reviews the current application of the urban metabolism concept and proposes the concept of a “smart urban metabolism” (SUM). Through integrating ICT and smart-city technologies, the SUM model can provide real-time feedback on energy and material flows, from the level of the household to the urban district. This is highlighted through an example of its application in the Stockholm Royal Seaport, Sweden.

Keywords
ICT, material flow analysis, real-time, smart cities, urban metabolism
National Category
Civil Engineering
Identifiers
urn:nbn:se:kth:diva-164525 (URN)10.1080/10630732.2014.954899 (DOI)000353409600002 ()2-s2.0-84928698773 (Scopus ID)
Note

QC 20150417

Available from: 2015-04-17 Created: 2015-04-17 Last updated: 2024-03-18Bibliographically approved
Johansson, S., Shahrokni, H., Kristinsdóttir, A. R. & Brandt, N. (2015). Summary of the Business-as-Usual and Green Development Greenhouse Gas Baselines and Roadmaps for the Stockholm Royal Seaport in Accordance with the Methodology Supplied by the Clinton Climate Initiative. KTH Royal Institute of Technology
Open this publication in new window or tab >>Summary of the Business-as-Usual and Green Development Greenhouse Gas Baselines and Roadmaps for the Stockholm Royal Seaport in Accordance with the Methodology Supplied by the Clinton Climate Initiative
2015 (English)Report (Other (popular science, discussion, etc.))
Place, publisher, year, edition, pages
KTH Royal Institute of Technology, 2015. p. 20
Series
TRITA-IM, ISSN 1402-7615 ; 2015:02
National Category
Energy Systems Environmental Management
Identifiers
urn:nbn:se:kth:diva-179701 (URN)
Note

QC 20160205

Available from: 2015-12-21 Created: 2015-12-21 Last updated: 2024-03-18Bibliographically approved
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