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The majority of public funding on energy efficiency within the EU is proposed for the building sector. The federal funds in that sector add up to €5.4 billion in 2014. One way to increase the energy efficiency of buildings is to implement a building energy management systems (BEMS). BEMSs are centralized, computer-based systems, which provide real-time monitoring and integrated control of building services and equipment to optimize 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 optimizes the energy consumption while maintaining safety and comfort. 
These systems can also be used to improve the health and security of the inhabitants by control and monitor of 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 building to complex sites with multiple buildings.
 

Main Benefits

  • Improving Energy Usage Efficiency

  • Reducing energy bills

  • Reducing Operation Costs

  • Enhanced data security

  • Improved data accessibility

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.

Potential Functions

Business Model

Market Overview

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, global BEMSs is expected to grow from $2.8 billion in 2016 to $10.8 billion in 2024. The graphic below shows the revenue of the market for building energy management systems by region from 2015 to 2024. As shown the market for building energy management systems is a globally growing market, whereas Europe is considered to be one of the primary markets.

(Casey Talon, 2015)

 

 Implementation Complexities

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

For example, for an owner of a single building who is just starting to explore the opportunities of more strategic energy management, a building energy management system, 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 building energy management system 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 building energy management system 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 Building Energy Management System 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.

 (Casey Talon, 2015)

 

Cost reduction 

The graphic below illustrates the functioning of a Building Energy Management System. The comparison of the power consumption over time with and without an Energy Management System (EMS) shows that the consumption is shifted to times where the energy price is as low as possible. The case study based on varying electricity price demonstrates that the proposed algorithm can reduce the electricity bill by approximately 20 %. Simulation results show that the combination of the proposed energy scheduler design and the price predictor leads to significant cost reduction about 1 $ per day (365 $ per year).

(Missaoui, 2013)

 

Driving Factors

Subsidies

The graphic shows all available EU subsidies in the sector energy from 2012 to 2014. These subsidies are steadily growing. The central part of the subsidies refers to increased energy efficiency in buildings and therefore also to the solution building energy management. Especially in the Netherlands, Spain, Poland, the Czech Republic Germany, Italy, Great Britain and Finland these subsidies are expected to increase in future.

(Janeiro et al., 2016)

 

Government Initiatives

In 2012, the Energy Efficiency Directive (EED) was adopted in the EU. This directive intends to trigger new energy efficiency policies and financial support mechanisms across the EU to reduce energy consumption in several economic sectors. The overall goal of the EED is to reach the 20% energy efficiency target for 2020.

(Janeiro et al., 2016)

Legal Requirements

Regulations

There are two main directives in the EU covering the reduction of the energy consumption of buildings.

  • The Energy Performance of Buildings Directive:
  1. Energy performance certificates are to be included in all advertisements for the sale or rental of buildings
  2. EU countries must establish inspection schemes for heating and air conditioning systems or put in place measures with equivalent effect
  3. All new buildings must be nearly zero energy buildings by 31 December 2020 (public buildings by 31 December 2018)
  4. EU countries must set minimum energy performance requirements for new buildings, for the major renovation of buildings, and for the replacement or retrofit of building elements (heating and cooling systems, roofs, walls and so on)
  5. EU countries have to draw up lists of national financial measures to improve the energy efficiency of buildings.
  • The Energy Efficiency Directive:
  1. EU countries make energy efficient renovations to at least 3% of buildings owned and occupied by central government
  2. EU governments should only purchase buildings, which are highly energy efficient
  3. EU countries must draw-up long-term national buildin

Use Cases

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.
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 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 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 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 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 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 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 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 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.
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.
Smart energy and self-sufficient block
The smart energy and self-sufficient block aims to reduce electric consumption in tertiary buildings through renewable energy, especially photovoltaic. 
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 optimize their consumption and reduce their energy bills, by providing information on real-time electricity and gas consumption.
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.
Smart control of individual floors in existing buildings
Predictive control algorithm was used to independently control floors in a Strijp-S office building.
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, sharing energy data through the open platform enabling energy services to be provided that reduce energy use and bills.

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