FEATURE ENERGY MANAGEMENT SYSTEMS
Roadmap to energy efficiency: Making British industry sustainable
data. This is where an Energy Data Management System (EDMS) comes in. A prerequisite of energy efficiency is the automated collection, compression and analysis of valid, relevant data from various sources, using an EDMS. The system should also be able to automatically generate valid reports that become the basis for remedial action in the energy system. Industrial automation systems help
Energy is a major topics in the UK this year. Discussions about what generation method is most sustainable, how much energy should cost and how companies can reduce their usage make media headlines on a daily basis. Here, Martyn Williams, Managing Director of COPA- DATA UK discusses the role of data in energy management systems
T
here are numerous ways of using energy in a more efficient manner.
Legal requirements and standards are becoming increasingly strict, so companies of all sizes from across industry have started thinking about what they have to do to comply with the new generation of regulations.
ESOS - COMPLIANCE In the UK, the Energy Efficiency Directive was implemented with the help of the Energy Savings Opportunities Scheme (ESOS). 2015 is a crucial year for the project because it marks the first official deadline on December 5th. ESOS was established by the Department of Energy and Climate Change (DECC) to implement Article 8 of the EED. The scheme is expected to result in £1.6bn net benefits to the UK, the majority of which will come from energy savings. ESOS introduces a programme of regular energy audits for ‘large enterprises’ that employ at least 250 people or has an annual turnover in excess of €50 million. ESOS energy audits can include any energy audit undertaken during the compliance period under other schemes like the Carbon Trust Standard or Green Fleet
8 AUTUMN 2015 | ENERGY MANAGEMENT Figure 1:
To truly reduce energy consumption, companies should implement an energy management system that allows them to analyse the energy use across activities and sites, using relevant measurement data
reviews, as long as it meets the minimum standards required by ESOS. Alternative routes to compliance are ISO 50001 certified Energy Management Systems (EnMS), Display Energy Certificates (DECs) and Green Deal Assessments.
ISO 50001 - CONTINUOUS IMPROVEMENTS The ESOS scheme is now mandatory for large UK enterprises. However, smaller companies that want to reap the benefits of energy efficiency or large firms that want to go beyond compliance can implement ISO 50001. The standard is applicable regardless of the size and industry of the company. The International Standard Organisation
(ISO) estimated ISO 50001 could influence up to 60 per cent of the world’s energy use. The core principle of ISO 50001 is its ‘Plan-Do-Check-Act’ (PDCA) continual improvement framework.
DATA IN ENERGY MANAGEMENT SYSTEMS To truly reduce energy consumption, companies should implement an energy management system that allows them to analyse the energy use across activities and sites, using relevant measurement
companies extract data from production lines in real-time, which means it’s easier for energy managers to identify where the company uses most energy and where the potential savings are. An EDMS is usually integrated into the control system of the production line. To gather energy consumption data for different processes, the control system is usually able to communicate with drives and interfaces. This means that on a production level, the relevant drives need to be able to communicate with the programmable logic controllers (PLCs). One of the main characteristics of industrial automation is the variety of products used within just one system. Any one production facility usually integrates numerous generations of sensors, drives and meters produced by different original equipment manufacturers (OEMs). Because of this diversity it’s often difficult to collect, archive and analyse sets of data. A good EDMS should also be open,
meaning able to collect and process data from the entire equipment infrastructure in a seamless way. COPA-DATA’s zenon, for example, has more than 300 communication protocols, covering all the important standards, right up to individual drivers. This means users can request targeted queries from any sensor, metre, measuring device or machinery. Another important feature is flexibility
when it comes to the reporting function of an EDMS. The ability to generate immediate reports according to the user’s needs is crucial. Displaying information in a clear way carries a lot of weight. zenon Supervisor and zenon Analyser for example can display data in the form of key performance indicators, energy analyses, trend curves, alarm events or complex graphical reports.
COPA-DATA UK
www.copadata.com 01633 415338
/ ENERGYMANAGEMENT
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