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Description

According to the Energy Performance of Buildings Directive (EPBD), buildings are responsible for approximately 40% of energy consumption and 36% of CO2 emissions in the EU. At present, about 35% of the EU's buildings are over 50 years old and almost 75% of the building stock is energy inefficient. Buildings are therefore the single largest energy consumer in Europe and have vast potential for energy efficiency gains. Currently, only about 1% of the building stock is being renovated each year. Renovation of existing buildings can lead to significant energy savings, as it could reduce the EU’s total energy consumption by 5-6% and lower CO2 emissions by about 5%. One way to increase the energy efficiency of buildings is to implement a building energy management system (BEMS).

BEMSs are centralised, computer-based systems, which provide real-time monitoring and integrated control of building services and equipment to optimise energy usage. They typically control the lighting, power, hot water, and HVAC (heating ventilation and air conditioning) systems. The system monitors the information received from various sensors in the building (smart meters, occupancy, temperature, carbon dioxide and humidity sensors, etc.) and optimises energy consumption while maintaining safety and comfort.

These systems can also be used to improve the health and security of the inhabitants by controlling and monitoring the environment, emergency responses and regular maintenance schedules. The technology can be applied to both residential and commercial buildings and at varying scales from small independent buildings to complex sites with multiple buildings.

(European Commission)

Problems to be solved

Energy consumptionEnergy costGreenhouse gas emissionsPower outages

Benefits

Building Energy Management Systems are deployed to bring about a decrease in energy consumption whilst maintaining optimum comfort levels. Achieving this leads to reductions in energy cost and greenhouse gas emissions.

Main benefits
  • Improving energy usage efficiency

  • Reducing energy bills

  • Reducing operation costs

  • Enhanced data security

  • Improved data accessibility

Potential benefits
  • Enhances grid stability

  • Reducing energy bills

  • Shaving peak energy demand

  • Improving energy usage efficiency

  • Decreasing energy consumption in buildings

  • Increasing share of renewables

  • Reducing GHG emissions

Functions

Functions help you to understand what the products can do for you and which ones will help you achieve your goals.
Each solution has at least one mandatory function, which is needed to achieve the basic purpose of the solution, and several additional functions, which are features that can be added to provide additional benefits.

Mandatory functions
    Optimisation of building and plant operations

    Gives real-time information to optimise generation and consumption

    Provision of energy management information

    BEMS technologies gather data to inform future decisions

    Maintaining user comfort levels

    Automatically adjusts control setpoints to ensure user comfort at all times

Potential functions
    Managing energy generation

    Ensures grid stability by managing generation

    Managing energy storage

    Balances generation, consumption, and storage

    Remote monitoring and control of services and functions of one or multiple buildings

    Facilitates the monitoring and control of multiple systems and buildings simultaneously

Products offering these functions

Elevated Building Energy Management Through People Flow Intelligence

Elevated Building Energy Management Through People Flow Intelligence

E-Power energy efficiency technology

The system is based on an innovative technology that reduces losses and generates energy efficiency improving the power quality, acting simultaneously on all the electrical parameters that compose the power

Energy-efficient heating, hot water and cooling systems

Highly efficient heating, cooling, and hot water systems for apartments, buildings and even entire cities with connectivity features.

Variants

There are two kinds of BEMS technologies: active and passive technologies.

Description

Passive strategy includes technologies such as:

  • Building envelope (walls, roofs, windows, doors, etc.) and insulation which lead to lower heat demand and higher efficiency of buildings
  • Building materials and their thermal transmittance (U-value)
  • Architecture and orientation which determine sun shading effects
  • Natural ventilation

The combination of the above measures brings about the targets for building energy efficiency, which are reducing heat gains, controlling heat flows, and managing energy demand.

Description

Active strategy includes technologies such as:

  • Mechanical and smart ventilation systems
  • Heating and cooling technologies such as heat pumps, boilers, solar thermal systems, direct electric heaters, hybrid systems, combined heat and power (CHP) systems, etc.
  • Renewable energy sources (RES) generation
  • Energy storage technologies

To optimise the energy management for active systems, demand side management, model predictive control, and fault detection and diagnosis can be used.

  • Demand Side Management (DSM): DSM ensures that consumer-side peak loads are redistributed in such a way that loads can be shifted and even energy can be saved. This results in lower peaks and, ideally, the generation of a more constant load. DSM thus improves the overall performance of a power grid and can save energy through the intelligent control of household appliances, power generation plants and storage.
  • Model Predictive Control (MPC): Based on forecasts of building energy utilisation, MPC can be used to foresee building response to temperature, heat, and moisture control requests, and can act sufficiently to accomplish the necessary operation.
  • Fault detection and diagnosis (FDD): Although buildings can be planned and developed in an energy-efficient and green manner, a substantial fraction of energy could still be lost if the BEMS is not appropriately executed. FDD is implemented through a data-driven approach which utilises artificial intelligence to determine the cause of the fault in the system, or through a knowledge-based approach which depends on specialists to recognize and detect faults more viably and dependably.

(Mariano-Hernández et al., 2021)

Value Model

In addition to the above benefits, self-consumption in buildings with renewable energy systems can be maximised with BEMS. Ancillary services to the grid can also be provided, with the integration of Vehicle-to-Grid (V2G) and Vehicle-to-Home (V2H) capabilities.

Legal Requirements

There are two main directives in the EU covering the reduction of energy consumption in buildings: The Energy Efficiency Directive and the Energy Performance of Buildings Directive, with amendments made to both directives in 2018 as part of the “Clean Energy for All Europeans” package:

2018/2002 Energy Efficiency Directive

The key element of the amended directive (2018/2002) is the update of the policy framework to 2030 and beyond, with an energy efficiency target of at least 32.5% by 2030, from the previously stated target of 20% by 2020.

The directive allows for a possible upward revision in the target in 2023, in case of substantial cost reductions due to economic or technological developments. It also includes an extension to the energy savings obligation in end use, introduced in the 2012 directive. Under the amending directive, EU countries will have to achieve new energy savings of 0.8% each year of final energy consumption for the 2021-2030 period, except Cyprus and Malta which will have to achieve 0.24% each year instead.

Other elements in the amended directive include:

  • stronger rules on metering and billing of thermal energy by giving consumers - especially those in multi-apartment buildings with collective heating systems - clearer rights to receive more frequent and more useful information on their energy consumption, also enabling them to better understand and control their heating bills
  • requiring Member States to have in place transparent, publicly available national rules on the allocation of the cost of heating, cooling and hot water consumption in multi-apartment and multi-purpose buildings with collective systems for such services
  • monitoring efficiency levels in new energy generation capacities
  • updated primary energy factor (PEF) for electricity generation of 2.1 (down from the current 2.5)
  • a general review of the Energy Efficiency Directive (required by 2024)

(European Commission) 

2018/844/EU Energy Performance of Buildings Directive

It introduces new elements of the EU’s commitment to modernise the building sector following technological improvements and increase building renovations. The EPBD covers a broad range of policies and supportive measures that will help national EU governments boost the energy performance of buildings and improve the existing building stock. For example

  • EU countries must establish strong long-term renovation strategies, aiming at decarbonising the national building stocks by 2050, with indicative milestones for 2030, 2040 and 2050. The strategies should contribute to achieving the national energy and climate plans (NECPs) energy efficiency targets
  • EU countries must set cost-optimal minimum energy performance requirements for new buildings, for existing buildings undergoing major renovation, and for the replacement or retrofit of building elements like heating and cooling systems, roofs and walls
  • all new buildings must be nearly zero-energy buildings (NZEB) from 31 December 2020. Since 31 December 2018, all new public buildings already need to be NZEB
  • energy performance certificates must be issued when a building is sold or rented, and inspection schemes for heating and air conditioning systems must be established
  • electro-mobility is supported by introducing minimum requirements for car parks over a certain size and other minimum infrastructure for smaller buildings
  • an optional European scheme for rating the ‘smart readiness’ of buildings is introduced
  • smart technologies are promoted, including through requirements on the installation of building automation and control systems, and on devices that regulate temperature at room level
  • health and well-being of building users is addressed, for instance through the consideration of air quality and ventilation
  • EU countries must draw up lists of national financial measures to improve the energy efficiency of buildings

(European Commission)

Operating Models

The business value of BEMS does not directly correlate with the solution's complexity. Due to the diversity of customer needs and building infrastructure, different types of BEMS can be most profitable. The graphic below shows different possible complexities of BEMS.

For example, for an owner of a single building who is just starting to explore the opportunities of more strategic energy management, a BEMS, which enables the visualisation and reporting of the energy consumption may be the ideal investment. On the other hand, an executive seeking to manage energy across a corporate real estate portfolio may require an integrated BEMS that manages a broad spectrum of equipment, helps expedite a centralised maintenance team, and tracks progress toward corporate sustainability targets. In this situation, the most beneficial BEMS would include the sophisticated capabilities in each of the four classes: visualisation and reporting, fault detection and diagnostics, predictive maintenance and continuous improvement and optimisation. Furthermore, a BEMS that is initially implemented with a focus on a particular building or equipment type but is scalable to add complexity and integrate across systems over time may generate more business value and support a phased investment approach.

BEMS Offerings Roadmap (Casey Talon, 2015)

Cost Structure

Resources Needed for BEMS Implementation (BABLE, 2021)

Market Potential

Due to steadily increasing energy costs and the upcoming focus on environmental performance, the energy efficiency of buildings will become even more important in the next years.

According to a report from Navigant Research, the global BEMS market is expected to grow from $2.7 billion in 2016 to $12.8 billion in 2025 at a compound annual growth rate (CAGR) of 18.2%. In 2016, hardware only contributed an estimated 10% of BEMS revenue, while software and services nearly split the remaining revenue, contributing 44% and 46%, respectively, as shown in the graphic below.

This category of software is the vehicle that can translate the increasing array of facility data into actionable information. It also helps end-users recognize and act on opportunities to improve system performance and behaviour that deliver cost savings and business improvements.

A combination of all three categories brings about energy efficiency and management capabilities such as operational efficiency, space utilisation, productivity, occupant engagement and sustainability.

BEMS Revenue by Offering Type, World Markets: 2016 - 2025 (Casey Talon, 2016)

Stakeholder Mapping

Stakeholder Map for BEMS Systems (E-LAND Project Output, 2019; BABLE, 2021)

Government Initiatives

The Renovation Wave Initiative

To achieve the long-term goal of climate neutrality by 2050, the European Commission published its Renovation Wave strategy on 14 October 2020, which aims to at least double renovation rates in the next ten years and make sure renovations lead to higher energy and resource efficiency. The Commission foresees that by 2030, 35 million buildings could be renovated and up to 160,000 additional green jobs created in the construction sector. Key actions included in the Commission's strategy include:

  1. Stronger regulations, standards, and information on the energy performance of buildings
  2. Reinforced, accessible, and more targeted funding supported by technical assistance
  3. Creating green jobs, training, and upskilling workers, and attracting new talent
  4. Expanding the market for sustainable construction products and services
  5. Developing neighbourhood-based approaches for local communities to integrate renewable and digital solutions and create zero-energy districts
  6. Promoting decarbonisation of heating and cooling, which is responsible for 80% of energy consumed in residential buildings

(European Commission)

Smart Finance for Smart Buildings Initiative

It was launched as part of the “Clean Energy for All Europeans” package, and includes practical solutions to mobilise private financing for energy efficiency and renewables in three main areas:

  1. More effective use of public funds
  2. More assistance to create project pipelines
  3. De-risking using EU grants

(European Commisssion)

EU Funding Schemes for Energy Efficiency

  1. The European Structural & Investment Funds: In total €17.6 billion has been allocated to energy efficiency (incl. € 13.3 billion, dedicated to energy efficiency improvements in public and residential buildings), i.e. around EUR 2.5 billion per year.
  2. European Local ENergy Assistance (ELENA): Managed by the European Investment Bank, it supports private and public promoters to develop and launch large-scale bankable sustainable energy investments (above €30 million), including in sustainable transport. ELENA covers up to 90% of project development costs.
  3. Project Development Assistance - Horizon 2020 (PDA H2020): It helps public and private promoters develop model sustainable energy projects, focusing on small and medium-sized energy investments of at least €7.5 million and up to €50 million, covering up to 100% of eligible project development costs. Sectors covered include refurbishment of buildings, RES in buildings, district heating/cooling, energy-efficient street-lighting, and clean urban transport.

(European Commission) 

Supporting Factors

  1. Increased post-pandemic focus on energy consumed by the buildings sector.
  2. Growing regulatory pressure to curb energy wastage in buildings.
  3. Governmental policies and strategies to promote the use of smart technology in home energy saving.
  4. Increased collective engagement through the adoption of user-friendly interfaces to facilitate monitoring and control.

City Context

Local context, including legislation and cultural conditions, affects the kind of BEMS that is ideal for each city and the adjustments to the standard model that may have to be made. Key factors to consider when planning an approach are:

  1. City physiology: The climate and geography of the city affect the mix of BEMS that can be deployed. Hot climate presents great opportunities for solar PV generation, but also challenges, as mechanical cooling is extensively used. Thus, a flexible energy system helps to balance demand and supply.
  2. Politics, policy & regulation: Specific policy measures that encourage energy-efficient refurbishments while punishing actions that increase energy consumption should be developed. An in-depth study of old and existing retrofitting programs and the building stock overview needs to be considered for selecting policies that align well with the local context.
  3. Economic performance: Funding vehicles tailored to specific market segments that provide simple and commercially attractive sources of finance for deep renovation should be developed. Deep energy retrofitting of existing building shells, e.g. property tax reduction for high-energy performing buildings, as well as incentives for the adoption of renewable energy and energy-efficient technologies, should be put in place.
  4. Social & cultural conditions: The lifestyle, demography, security, and cultural heritage of the city influence the choice of BEMS technologies. Some cities experience a daily double peak in electricity demand that puts enormous pressure on the distribution network and requires expensive reinforcement without load-shifting and peak reduction. Care must be taken to ensure a balance between maintaining the lifestyle in a city and implementing energy-efficient measures, whilst also preserving the cultural heritage and uniqueness of every building.

(Sharing Cities Smart Booklet - Sustainable Energy Management System)

Data and Standards

The creation of this solution has been supported by EU funding

Use Cases

Energy

ICT

Smart and efficient Energy Management System for multipurpose building in Ljubljana

BTC, a multipurpose facility in Slovenia aimed at reducing their overall energy consumption and adhere to the ISO 50001 standard. Solvera Lynx offered an innovative solution for smart energy management (EM) based on wireless LoRaWA technology.

Building

ICT

Intelligent Building: Improved Customer Experience

Creating the ultimate customer experience for building tenants and building managers by connecting conversational AI with the building’s devices.

Energy

Building

Energy Saving, CO² Reduction & Optimisation of the Indoor Climate of an Office Building in Coimbra, Portugal

Satisfaction of the building's tenants and visitors is one of the top priorities. Since R8 Autopilot started to control the building, the indoor climate has improved and the energy and CO² emissions were reduced.

Energy

Building

Other

Energy Communities with Agro-Photovoltaic Projects

Citizens are involved in the definition of the actual needs and the most appropriate solutions for the energy community. They also participate in the design of the energy community as an entity (legal form, structure, organisation, rules of operation and governance), and management of decisions.

Energy

Building

Creating Renewable Energy Communities

Citizens are involved in the definition of the actual needs and the most appropriate solutions for the energy community. They also participate in the design of the energy community as an entity (legal form, structure, organisation, rules of operation and governance), and management of decisions.

Building

Energy

Energy saving, CO² reduction & optimisation of the indoor climate of a court house building in Tallinn

Satisfaction of the building's tenants and visitors is one of the top priorities. The indoor climate has improved since R8 Autopilot started to control the building in November 2019.

Energy

Building

Energy Efficiency & CO2 Saving in the City of Antwerp

The City of Antwerp used a power quality improvement system, called E-Power, to improve energy efficiency and reduce consumption in eight of its public buildings, with potentially more to come.

Energy

Better Energy Flexibility with Radio Base Station Batteries

The Municipality of Barcelona tested using the back up batteries of radio base stations, to increase grid flexibility and provide greater stability. In this way, the stations can be disconnected from the grid on demand and use the batteries instead.

Energy

ICT

Connecting Elevators and Escalators to Smart Building Energy

Elevators and escalators communicate with the smart building energy management system in order to limit the peak power visible to the external electricity grid.

Energy

Air

Building

Increasing Energy Efficiency in Buildings Using AI

TPC identified areas of improvement for the management of the HVAC systems of two buildings. We performed a building energy performance analysis using artificial intelligence techniques to make an accurate prediction of the energy needs of these buildings to reduce their energy inefficiencies.

Air

Health

Gwent Archives Temperature and Humidity Monitoring

Monitoring heat and humidity within the Gwent Archives, to help preserve and keep safe historical and valuable documents and allow them to be conserved, displayed and shared with the general public.

Energy

ICT

Virtual Power Plant using energy markets predictions models to optimise the asset usage

AI based model used to simulate possible dependencies and to forecast the market changes and outcomes for the next days in order to optimize usage of batteries and other energy market assets

Energy

Building

Blockchain Prototype for Local Energy Transactions

The blockchain prototype developed by LSW, leverages blockchain technology to integrate small and micro energy generation units into the energy industry. The prototype operates within the Proof-of-Authority Fury Network, facilitating transparent and efficient energy management and billing.

Energy

ICT

Water

Air

Building

Connecta VLCi: 194 smart municipal buildings and facilities

The project proposes a more modern and efficient management of up to 194 municipal buildings and facilities through a smart city platform where the buildings are integrated and all the information about them such as pollution, temperature, humidity, energy consumption, etc. is provided.

Energy

ICT

Providing flexibility to the energy system using an IoT digital platform

IoT platform creates an opportunity for consumers to become active prosumers in the electricity markets.

Energy

Building

Heating Demand Control

In former cotton mill rental areas, a smart heat management system employs intelligent thermostats connected to a local energy management system, allowing tenants to control heating through a mobile app and reduce heat-related emissions by automatically turning off heat supply in unused areas.

Energy

ICT

Water

Building

Other

BIMROCKET

BIMROCKET is an open source platform for managing Building Information Modeling (BIM) projects, a collaborative working methodology for the construction industry. It allows viewing and editing building models and storing BIM projects in an OrientDB database.

Energy

Smart control of individual floors in existing buildings

Predictive control algorithm was used to independently control floors in a Strijp-S office building.

Energy

Building

Home Energy Management System (HEMS) by Gas Natural Fenosa

Home Energy Management Systems (HEMS) are installed in all residential buildings selected to be refurbished by Naturgy in Barcelona. It aims to inform tenants on how to optimise their consumption and reduce their energy bills, by providing information on real-time electricity and gas consumption.

Energy

Building

Energy efficient refurbishment of the building - Educative centre Escola Sert

Gas Natural Fenosa has implemented energy refurbishment of an Educative center Escola Sert. The aim is to validate the technical and economic feasibility of adding renewable energy generation to a tertiary building in the form of building integrated photovoltaics (BIPVs) for self-consumption.

Energy

Building

Energy efficient refurbishment of tertiary buildings by Barcelona Municipality

Barcelona Municipality has retrofitted two old textile factories, lately abandoned or used as a warehouse. The buildings have been transformed into a new public library (Library Les Corts) and an R&D centre for Smart cities hosting both public and private entities (Ca l’Alier).

Energy

Building

Mobility

Sustainable Energy Management Service (SEMS)

This measure involves the development of an advanced, data-rich, management system which gains maximum benefits from the retrofitted buildings. Energy data is shared through the open platform, enabling energy services to be provided that reduce energy use and bills.

Energy

Building

Hubgrade Energy saving centre

A remote energy saving center called Hubgrade was set up in the three buildings in Stockholm which were refurbished under the grow smarter project. The measure aims at reducing energy bill by taking proactive measures based on 24/7 monitoring.

Energy

ICT

Smart control of individual rooms in existing buildings

With the aim of reducing energy consumption by 20% in the existing office buildings in Strijp-S, an innovative concept has been developed to optimise energy consumption while maintaining user comfort. The system allows interactive monitoring and control of HVAC system via mobile application.

Energy

Energy Management in a Smart Connected Factory

Salonit Anhovo, the biggest cement production factory in Slovenia has the goal to reach the top 10 % most energy-efficient cement factories in the European Union. To support Salonit Anhovo with their energy management goals, Solvera Lynx is supporting them with LoRaWAN technology.

Energy

Energy Management System for the Novo Mesto Municipality

The Novo Mesto Municipality identified a need to adopt sustainable energy management solutions and infrastructure upgrades in the public buildings to reach their desired economic performance goals. Hence, a comprehensive tailor made energy management system from Solvera Lynx was installed.

Energy

ICT

Energy Management for a group of Hospitals

Vinzenz group, biggest health care provider in Austria aimed at reducing energy consumption. A tailor-made monitoring software platform for targeted analysis of energy consumption, especially in cooling and heating technologies was installed by Solvera Lynx

Energy

Building

Energy efficient refurbishment of the building - Hotel H10 Catedral

Under the GrowSmarter project, Gas Natural Fenosa has implemented energy refurbishment of three buildings with very different uses , and one of them is a hotel H10 Catedral. The aim is to validate the technical and economic feasibility of executing an energy refurbishment of a tertiary building.

Energy

Building

Energy efficient refurbishment of the building - Sports Centre CEM Claror Cartagena

Naturgy has implemented retrofitting actions to lower the energy consumption in over 12,500 m2 of tertiary floor in Barcelona. Three buildings with very different uses have been retrofitted, and one of them is a Sports Centre, CEM Claror Cartagena.

Energy

Building

Kindergarten “Slantse" in Gabrovo

Kindergarten "Slantse“ in Gabrovo is the first certified passive building in Bulgaria. The project was initiated by the municipality and the Centre for Energy Efficiency EnEffect, and received technical support from the Municipal Energy Efficiency Network EcoEnergy.

Energy

Building

Photovoltaic installation on post 2000 building

The system is an integral part of the ambition to become grid independent on a campus housing 1 large academic building, an energy centre, a multi-storey car park and accommodation for 900 university students.

Energy

Energy Optimisations in Buildings

The Building Benchmark Assessment is used to identify buildings where energy optimization measures can be implemented and is based on a set of benchmarks developed over time.

Building

Energy

Smart local thermal districts

Within the GrowSmarter project."Smart local thermal districts" is part of the building refurbishment in Ca l’Alier, which combines on-site electricity generation (PVs) with the local existing DHC network, reducing the consumption of fossil primary energy for heating and cooling production.

Energy

Building

Smart Energy and Self-Sufficient Block

A plan to reduce electric consumption in tertiary buildings in Barcelona, through the installation and usage of photovoltaic solar panels. 

Energy

Building

ICT

Building Energy Management System: Resource Advisor

The Software Platform called ‘Resource Advisor’ developed by Schneider Electric enables the follow-up of Key Performance Indicators (KPIs) for the evaluation of the impact of energy retrofitting works in a building.

Energy

Building

Energy efficient refurbishment of a residential building - Passeig Santa Coloma

Barcelona Municipality has promoted the energy refurbishment of a social housing building in Passeig Santa Coloma with 207 dwellings and over 14,000 m2.

Energy

Building

Energy efficient refurbishment of residential buildings by Naturgy

Naturgy has implemented retrofitting actions with the aim of lowering the energy consumption of buildings in nearly 20,000 m2 of residential floor in Barcelona: Canyelles, Ter, Lope de Vega and Melon District.

Energy

Health

Building

Ebbw Vale Leisure Centre Energy Monitoring & Efficiencies

Using Milesight Environment Sensors to collect data and inform changes to reduce energy usage

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