Mia Ala-Juusela

Mia Ala-Juusela
VTT Technical Research Centre of Finland | vtt · Smart industry and energy systems

Master of Science (Tech)

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39
Publications
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314
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Publications

Publications (39)
Chapter
This chapter studies how local and regional planning instruments can promote positive energy buildings (PEBs). Local and regional authorities were interviewed across Europe regarding practical level approaches to governing and planning the development of Nearly and Net Zero Energy Buildings as well as PEBs. The interview analysis provides insights...
Chapter
Currently, no common definition of PEBs exists, which complicates technical solutions’ and business models' development across different climatic zones. This chapter defines a PEB based on thorough research conducted in the EU-funded EXCESS project. The chapter begins with a discussion on PEB backgrounds, such as PEB concepts' origin and comparison...
Chapter
This chapter begins with presenting regulatory, social, financial and technology-related aspects affecting the wide roll-out of PEBs, discussing both the preventing and promoting factors. Recommendations are also given on how to overcome the barriers and take advantage of the opportunities. After this, the possible renewable energy sources and ener...
Chapter
This chapter discusses mainly the technical implementation of PEBs. First, the chapter presents how the EXCESS project parties are planning to implement the PEB concept in four different geographical areas in Europe, as cooling and heating demands vary between regions. The demo locations are Helsinki in Finland, Granada in Spain, Hasselt in Belgium...
Chapter
Positive energy buildings (PEBs) can contribute to mitigating climate change. This introductory chapter provides a broader context for PEBs and information on current PEBs in Europe. First, the chapter presents the important role of the building sector in climate change mitigation on the global and EU level, and PEBs as enablers for a consumer-cent...
Article
Full-text available
The building sector plays an important role in the transition to a climate-neutral society. The international interest in low, zero energy, or zero-emission buildings has grown as a potential means for this transition. A more ambitious step from zero energy buildings is the concept of Positive Energy Buildings (PEB), which are also contributing to...
Article
Full-text available
Buildings account for 36% of the final energy demand and 39% of CO2 emissions worldwide. Targets for increasing the energy efficiency of buildings and reducing building related emissions is an important part of the energy policy to reach the Paris agreement within the United Nations Framework Convention on Climate Change. While nearly zero energy b...
Article
Battery Energy Storage Systems (BESS) can provide services to the final customer using electricity, to a microgrid, and/or to external actors such as the Distribution System Operator (DSO) and Transmission System Operator (TSO). In this paper, BESS as a service business model archetypes are drawn from case studies of 10 BESS as a service projects i...
Article
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The Clean Energy Package foresees a strong roll out of decentralized energy systems with renewable generation and storage. The STORY project has designed and tested six different storage solutions for a decentralized renewable energy system. In the workshop organised in the frame of SP19 conference, we highlighted some of the economic, social and t...
Article
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The objective of the research was to assess the roles of municipal building authorities and their potential to act when a rapid change is needed towards energy-efficient and sustainable building and refurbishment. Our premise was that local authorities will have an essential role in improving the awareness and commitment of stakeholders and in supp...
Article
The increase in distributed renewable energy supply offers new opportunities to improve the performance of local energy systems. In line with this, research and development has begun to broaden its scope from the building scale towards the neighbourhood and district scales. The formulation and comparison of potential energy solutions in different c...
Article
Many energy performance assessment methods are available. There are both dynamic and steady state methods, of which initial data may be based on statistics or physical models. However, many of the tools are not suitable in refurbishment projects because of the difficulties in defining the input values for the building and user behaviour. The object...
Technical Report
Full-text available
This report concerns business models for Energy Positive Neighborhoods (EPNs) and is based on research conducted as part of the IDEAS project. EPNs are areas in which annual energy demand is lower than annual energy supply from local renewable energy sources. Their energy infrastructures are connected to and contribute to the efficient operation an...
Conference Paper
Full-text available
University campuses, residential neighbourhoods and other urban areas have different needs for energy solutions. The formulation and comparison of these solutions demands well-defined concepts and robust decision support tools. This paper proposes the following definition: “Energy positive neighbourhoods are those in which the annual energy demand...
Article
Full-text available
In an Energy Positive Neighborhood (EPN) the annual energy demand is lower than annual energy supply from local renewable energy sources. Short-term imbalances in energy supply and demand are corrected with national energy supplies. In this paper the early stages of the development - the specifications - of the tools for intelligent management of e...
Conference Paper
Full-text available
In an Energy Positive Neighborhood (EPN) the annual energy demand is lower than annual energy supply from local renewable energy sources. Short-term imbalances in energy supply and demand are corrected with national energy supplies. In this paper, some tools for intelligent management of energy positive neighborhoods are presented. These tools incl...
Conference Paper
Full-text available
Despite the widespread use of the term ‘energy positive neighbourhood’ (EPN), it is not well defined in earlier work. In this paper the following definition for an EPN is suggested: “Energy positive neighbourhoods are those in which the annual energy demand is lower than annual energy supply from local renewable energy sources. Short-term imbalance...
Conference Paper
Full-text available
In an Energy Positive Neighbourhood (EPN) the annual energy demand is lower than annual energy supply from local renewable energy sources. Short-term imbalances in energy supply and demand are corrected with national energy supplies. In this paper the early stages of the development -the specifications -of the tools for intelligent management of en...
Technical Report
Full-text available
The research presented in this report details two business models to underpin the development of Energy Positive Neighbourhoods (EPNs). The technical tools and methods which support these business models will be piloted at two demonstration sites: • Part of a University campus in Bordeaux, France, which houses the University Institute of Technology...
Technical Report
Full-text available
The IDEAS project aims to illustrate how communities, public authorities and utility companies across the EU can be engaged in the development and operation of energy positive neighbourhoods and the economic and environmental benefits of doing so. To this end IDEAS will demonstrate how energy positive neighbourhoods can be cost effectively and incr...
Article
In Nordic countries significant primary energy saving potential exists in houses built before 1980. These old houses need to be renovated, which provides an opportunity for implementation of energy efficiency measures. However, there are several economic and market hindrances and the renovation markets are dominated by handicraft-based individual s...
Technical Report
Full-text available
An Energy Positive Neighbourhood (EPN) has been defined as one in which the annual energy demand is lower than energy supply from local renewable energy sources . The IDEAS project aims to illustrate how communities, public authorities and utility companies across the European Union (EU) can be engaged in the development and operation of energy pos...
Technical Report
Full-text available
The IDEAS project strives to demonstrate how energy positive neighbourhoods can be cost effectively and incrementally implemented by designing, testing and validating four services: 1. A neighbourhood energy management tool to optimise energy production and consumption, 2. User interfaces that engage communities and individuals in the operation of...
Conference Paper
Full-text available
Single family houses represent the biggest potential for energy savings within residential buildings in the Nordic countries. In earlier research project [1] it highlighted that there is a missing link between the single family house owner and various segregated offers of single solutions for renovation and/or energy efficiency installations. In th...
Article
SB10, "Sustainable Community - buildingSMART", 22-24 September 2010 Espoo, Finland ISBN 978-951-758-506-4
Conference Paper
Full-text available
Proceedings CLIMA 2010 Congress CD, CLIMA 2010, 10th REHVA World Congress "Sustainable Energy Use in Buildings", 9-12 May 2010 Antalya, Turkey, ISBN 978-975-6907-14-6 Energy efficiency of buildings may be improved using information provided by smart meters. They enable new services aiming at making the end-user aware of its energy consumption. Our...
Article
GREEMBED 2010, First Workshop on Green and Smart Embedded System Technology: Infrastructures, Methods and Tools. 12 April 2010 Stockholm, Sweden
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SB10 Finland, Sustainable Community - buildingSMART(TM), Conference proceedings SB10 Finland, Sustainable Community - buildingSMART, 22.-24.9.2010, Dipoli, Espoo, Finland
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SB10 Finland, Sustainable Community - buildingSMART(TM), Conference proceedings
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CISBAT International Scientific Conference "Renewables in changing climate. From nano to urban scale", Lausanne, Switzerland, 2-3 September 2009, cd-ROM The distributed energy generation concept, where energy is produced close to where it is being used, has been thoroughly investigated in the case of electricity networks. However, until now limited...
Article
The Summary Report and Guidebook summarise the work of the LowEx cooperation. An other result of the LowEx cooperation was the funding of the International Society for Low Exergy Systems in Buildings (LowExNet). LowEx, the international research programme for Low Exergy Systems for Heating and Cooling of Buildings, is part of the International Ener...
Article
Full-text available
This paper summarises the work of the LowEx co-operation /1/. LowEx, the international research programme for Low Exergy Systems for Heating and Cooling of Buildings, was part of the International Energy Agency's (IEA) Implementing Agreement Energy Conservation in Buildings and Community Systems (ECBCS). The aim of the programme was to promote rati...
Article
Full-text available
The low exergy approach should be the key concept in any long term strategy aiming at creating a sustainable built environment. In recent years, how to build sustainable houses has been a constant source of discussion. A highly efficient usage of energy and all of the potentials in the involved energy flows are undisputable mandatory for that. To f...
Article
Full-text available
Nowadays, internet can be accessed anywhere, and www-based applications are widespread. Utilizing internet also for energy management and commissioning purposes will be a future trend. A web-based service for building energy management, called WebE, was developed at VTT. It is a modular and integrated service including several energy-related module...
Article
SB10 Finland, Sustainable Community - buildingSMART(TM), Conference proceedings SB10 Finland, Sustainable Community - buildingSMART, 22.-24.9.2010, Dipoli, Espoo, Finland

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