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You can find us at NOEAP2E (NOEA Pavillion) See our Event Staffing Coordinator Jessica at The Education Hub on 1 March (15:00) discussing Writing a Killer CV Proud NOEA member and 2022 Winner of Best Unsung Hero Evan Morgan For For all all your your event event support support vehicles vehicles • 2, 2, 4 and and 6 seat seat diesel diesel Mules/Gators Mules/Gators • Utility Utility buggies buggies • 4 and and 6 seat seat buggies buggies • Trailers Trailers • Disabled Disabled access access and and ambulance ambulance buggies buggies Contact Contact us us as as we we would would be be delighted delighted to to talk talk to to you you Tel: Tel: 0113 0113 393 393 4100 4100 Email: Email: info@eventbuggyhire.co.uk info@eventbuggyhire.co.uk Web: Web: www.eventbuggyhire.co.uk www.eventbuggyhire.co.uk 48 WWW.OPENAIRBUSINESS.COM
EVENTS Event Power Efficiency Tim Benson on power plan priorities for 2023 events 2023 IS set to be another monster of a year for our sector, with significant one-off shows in the UK including Eurovision and the Coronation, so let’s start off on the right foot with our energy planning and management. With so many different solutions available to us, from large scale mobile battery systems to hydrogen combustion generators, it is sometimes easy to lose sight of what is really important, i.e., being more energy efficient and reducing our dependence on liquid fuels. With this in mind, a good starting point is to refer to the Power Management Hierarchy, devised by ZAP Concepts and Hope Solutions. This hierarchy is intended to help event organisers and their power contractors prioritise the most environmentally sustainable interventions available to them and can be applied to an entire event site or to individual power zones. It further relates to all phases of the event lifecycle from build to break. REDUCING DEMAND We need to consider both how much energy we are using (expressed in kilowatts / kW and described as ‘the load’) and how long we use it for (expressed in hours); collectively these metrics make up the common unit of electrical consumption known as the kilowatthour (kWh) – which is often referred to as demand. Improving onsite energy efficiency means putting in place strategies that both reduce the load and cut the hours; these might include sourcing more energy efficient equipment, swapping out electrical catering appliances for those that run on alternative fuels like gas, introducing inline timers that switch circuits on and off, the introduction of photovoltaic sensors that activate circuit contactors when light levels change, and using the start/stop timer function on generator control panels. UNDERSTANDING LOAD PROFILES Load profiles are patterns in energy usage, typically viewed across a 24-hour period or longer. Most commonly at events we see asymmetric load profiles: periods of high usage sandwiched between periods of low consumption, which are known as base loads. Where a power contractor has previous experience of an event, they will be better placed to understand the nuances of the site load profile and plan accordingly for base load management; common strategies include hybrid power generators that manage periods of low load from the energy stored in their batteries, syncing smaller diesel generators with higher capacity ones and designing site layout so that applications that require 24 hour power are grouped in clusters. POWER ADVANCING Collecting accurate information on demand and load profiles in the advancing stages can be challenging, but remains absolutely crucial if efficiency is to be improved. It requires production teams, their contractors and suppliers to provide comprehensive equipment inventories and data on energy consumption, together with switch on/off schedules for the full lifecycle of the event. More often than not, what is actually supplied is a list of electrical connection requirements that bears little resemblance to the actual load. Inaccurate and incomplete advancing information is one of the chief causes of inefficiencies. It leads to the oversizing of generators because specifications are based on peak loads, and wasted opportunities for introducing alternatives power solutions for base load management. Processes such as the ZAP Concept’s Smart Power Plan, that inventory site-wide electrical consumers, can be helpful in matching energy production to actual demand, allowing generator downsizing and a reduction of fuel consumed. So, here’s to whatever 2023 chooses to throw at us and wishing you all ‘bonne chance’ for the coming year – it is going to be brutal! *This article originally appeared in the January 2023 Vision: 2025 newsletter. www.vision2025.org.uk ABOUT THE AUTHOR Tim Benson is chair and project lead for Powerful Thinking, the outdoor events sustainable energy working group, and also sits on the Live Green sustainability working group. He has contributed content for a wide range of industry papers and is the author of the energy chapter in the Show Must Go On Report. He is also the founder/ production director of Smart Power and technical director at ZAP Concepts UK & Ireland. www.powerful-thinking.org.uk WWW.OPENAIRBUSINESS.COM 49
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