4-6 October 2016 The NEC, Birmingham, UK. cleanenergylive.co.uk

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Suzan Edwards
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1 4-6 October 2016 The NEC, Birmingham, UK cleanenergylive.co.uk #celive

2 cleanenergylive.co.uk #celive

3 The future of BMS is OPEN? T4 Sustainability Ltd

4 What are the common problems with these systems? Cost - hardware, rental or purchase, and software licenses, upgrades etc. Lack or non use of open standards. Poor interoperability between product ranges and manufacturers. Finite product lifecycles and obsolescence. Obscure cabling / networking requirements. Duplication of cabling and sensors between systems. Lack of sharing of raw and interpreted data between systems.

5 Example The Galleries Of Justice Museum, Nottingham UK

7 Summary of the financial problem Replacement cost 41,509 (59,299 EUR). 20 year service life with luck. Depreciation > 2,000 (2,860 EUR) per year. Annual maintenance cost > 3,300 (4,700 EUR) per year. These combined costs are significantly higher than the value of fuel and staff time saved.

8 What are we doing to meet our own needs? obems open source Building energy Management System

9 What have we set out to do? Long range plan is to develop obems, an Open Source Building Energy Management System. Some AMR functionality is already prototyped as a useful subset of the BMS system.

10 BMS functionality to be developed to support users of buildings, and academic research (e.g. the SmartPod project, undertaken by Derby University, EKV Design, De Montfort University, and T4 Sustainability). Some basic control experiments have already started.

11 What do we want from the system? Modular, hardware independent. Based on widely available open source software and hardware platforms. Single location or distributed (IoT). Low cost but accurate, flexible & configurable. Data structures to support analysis and decision making from time series data. Open Source product and tool chains.

12 What s the communications architecture? Client server communicating via IPv4 address and port number for now. Software modules can be distributed to run anywhere, (but should be clustered on hardware to minimise number of possible points of failure, and minimise network delays). VPN access where security is important.

13 How Do You Access The Hardware? The obems Open source software allows local and networked access to the hardware. It includes a template for the development of Building Management, Energy Management, and Infrastructure Control Systems.

14 Scalable systems Simplest - one location, one sensor, one cheap single board computer. More complex - spread over many locations, many sensors at each location, archival database, visualisation and analytical tools. Can aggregate or compare data from multiple sites with single SQL query. Sophisticated user interface.

15 Simple LAN Web server obems client Sensor server

16 Various users / managers of the system Web server and RDBMS Global IP network NAT Router for Archive Site NAT Router for Site 1 LAN NAT Router for Site 2 LAN NAT Router for Site 3 LAN Web server obems client Sensor server Web server obems client Sensor server Web server obems client Sensor server Web server obems client Sensor server Web server obems client Sensor server

17 Example: Measures industrial unit electrical consumption plus two PV systems. First experiments with pulse output electricity meters

21 What sort of data can be collected? Anything with a pulse output electricity meters, gas meters, water meters, GM counters etc. Analogue signals anything that can be converted to a voltage.

22 Simple PV system - Jun to Nov

32 Future plans Reliability and stability improvements. Ways to express BMS rules without coding in C++. Intuitive configuration tools for non programmers. Control functions implemented as well as monitoring.

33 What about hardware? Isn t the Raspberry Pi just a toy? How long will it be around? Is it up to the job? What else is needed to make it useful and robust?

37 What is Free? Free software is a matter of liberty, not price. Think of free as in free speech, not as in free beer.

38 What standards should we follow or develop? Open question for potential users. What features do you need / want? Do the standards we need for ICS interoperability exist? Are they accessible at acceptable cost? Where are the gaps in the standards? Who might develop any necessary standards or protocols to fill the gaps?

39 Can I see this running live? Yes - please contact us for latest test URLs.

40 Are there other projects like this? We re pleased to say that there are, and we anticipate that more will emerge over time. Examples include:

41 Thank you - Any questions? Contact us: John@T4sLtd.co.uk T4 Sustainability Ltd

Building Energy Management Services Ltd Pennine House, 28 Leman Street, London, E1 8ER REF SLA INCL SMART METERING OVERVIEW DOCUMENT

Building Energy Management Services Ltd Pennine House, 28 Leman Street, London, E1 8ER REF SLA INCL SMART METERING OVERVIEW DOCUMENT SMART METERING SLA INCL OVERVIEW DOCUMENT AN INTRODUCTION TO SMART METERING As part of any IoT or Energy strategy accurate information is vital. We design, supply, install and commission a variety of different