Cut your electricity bill and carbon footprint by up to 50% with ECO-MAX power and lighting optimisers. Voltage & Power Optimisation Explained

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1 Cut your electricity bill and carbon footprint by up to 50% with ECO-MAX power and lighting optimisers Voltage & Power Optimisation Explained

2 What is voltage optimisation? Quite simply put, voltage optimisation is to reduce the supply voltage applied to a single piece of equipment or machinery, a lighting system, a specific area within a building or an entire building. If the reduction in supply voltage is carefully matched to the needs of the connected electrical equipment it is possible to make a substantial energy saving and extend the life expectancy of the connected equipment. Why can the voltage be reduced? The electrical supply voltage in the UK is much higher than in Europe: v in the UK, compared with v across Europe. However all electrical equipment designed for use in Europe and the UK, must be capable of operating throughout the entire voltage range to comply with current CE regulations. A large proportion of this equipment consumes more energy the higher the supply voltage applied to it. Therefore, it makes sense to reduce the supply voltage nearer to those found across Europe, in order to make substantial energy savings. ECO-MAX power and lighting optimisers intelligently monitor your incoming supply voltage and automatically reduce it to an optimum level dependant on pre programmed criteria, in order to maximise your energy saving. Why isn t electricity supplied at the lower voltages if it saves energy? Unfortunately, in the UK the electrical supply infrastructure has been historically designed to operate at 240v. This reduces transmission losses and helps maintain the supply voltage for all consumers over large transmission distances, and during periods of heavy demand. Therefore the electricity supply companies have no alternative but to generate at the top end of the legal voltage range agreed for all European countries. In fact, the average voltage experienced by UK consumers is 242v. ECO-MAX overcomes and exploits this by optimising your voltage locally within your building. The voltage scale below shows the relationship between energy consumption and equipment life, along with the savings potential of ECO-MAX optimisers. ECO-MAX savings & benefits Above 250v 250v - 240v 240v - 230v 230v 220v 220v - 208v Very high supply voltage, very high energy wastage, with premature equipment failure. High supply voltage, high energy wastage, with reduced life expectancy of equipment. Medium supply voltage, reduced equipment efficiency which wastes energy. Standard voltage range across Europe. Maximum equipment efficiency and life expectancy. Low supply voltage, may be problematic with certain types of equipment.

3 So how much will I save with ECO-MAX? High energy saving with these types of equipment: Modest energy saving with these types of equipment: Little or no energy saving to be gained with these types of equipment: Typically 20%-50% Typically 10%-15% Typically 0%-5% Switch Start Fluorescent Lighting, (with magnetic ballast) Discharge Lighting, with SON Metal Halide or Mercury Lamps & magnetic ballast Lighting with compact fluorescent lamps & magnetic ballast Tungsten halogen lighting Fixed Speed Motors that are not fully loaded i.e. air conditioning, refrigeration, pumps & fans Fixed speed heavily loaded motors Some older types of IT equipment, VDU s and TV s None thermostatically controlled heating e.g towel rails, hand dryers, hair dryers and certain types of electric heating. High Frequency (HF) Lighting Some IT Equipment Motors with VSD s Thermostatically controlled heating e.g. kettles & ovens Although it is true to say that the higher your supply voltage, the greater the potential for savings using ECO-MAX, it doesn t necessarily mean that if your supply voltage is high you will make a large energy saving. Unfortunately different types of electrical equipment deliver different levels of energy saving for the same reduction in voltage. Sites where the majority of electrical consumption is made up of items listed in the green box above, will make the largest energy savings, sites where the majority of equipment is listed in the red box will make the lowest energy saving Therefore, on some sites it may make more sense to optimise the voltage to just the lighting, or a specific area, rather than the entire building. The one box fits all approach pushed by some companies certainly does not always make for successful Voltage Optimisation projects. GWE always takes into consideration the different kinds of electrical equipment that you have on site. Coupling this approach to the unique modular construction of ECO-MAX optimisers, allows us to provide you with a tailored, bespoke solution that maximises your savings, at an off the shelf price which reduces your payback. Building Type Hotels Pubs Nightclubs Fitness Centres Swimming Pools Sports Centres Nursing Homes Medical Centres Offices Schools Colleges Universities Shops Petrol Stations Shopping Centres Car Sales Showroom Car Parks Industrial Units Warehouses Distribution Centres Factories Large Manufacturing Sites ECO-MAX POWER Whole Site Local Area ECO-MAX LIGHTING

4 ECO-MAX-POWER typically saves 10%-25% GWE s power optimisers are used to optimise the voltage to a single piece of equipment, localised area, or an entire building, dependant on the specifics of the site. Reduces your electricity bill and carbon footprint by up to 25% Improves the life expectancy of your electrical equipment, which can reduce maintenance cost Specific issues like harmonics, power factor problems and variable voltages can be dealt with in the one unit Can pay for its self in under 12 months Fully guaranteed Custom built to order to match specific site requirements ECO-MAX-LIGHTING typically saves 25%-50% GWE s lighting optimisers do much more than just voltage optimisation; they are comprehensive lighting control systems, that combine voltage optimisation with traditional lighting control strategies, by using a variety of different control modules. Reduces your electricity bill and carbon footprint by up to 50% No need to change any of your existing light fittings Lamps stay brighter and last longer Suitable for discharge lighting with magnetic ballasts Designed for large buildings such as warehouses and factories Custom built to order to match specific site requirements Modular Options Integral TrueBypass Integral input and output fusing Status and fault indication Voltage monitoring with BrownOut protection External Enclosure Integral metering with remote monitoring and report generation Voltage monitoring with SuperSave voltage regulation Integral automatic power factor correction Integral harmonic filtration SuperSave voltage optimisation Daylight linking Occupancy detection Manual & Timed switching Zoning Integral dedicated lighting distribution board ECO-MAX-POWER Optimisers Whole Site Local Area ECO-MAX-LIGHTING Optimisers

5 Features and Benefits of ECO-MAX Quick payback, can pay for itself in under 12 months! Interest free funding available from The Carbon Trust and Salix financing. ECO-MAX-Lighting optimisers also qualify for the Enhanced Capital Allowance scheme (ECA). Guaranteed savings and payback. Integral TrueBypass for total peace of mind. Carries the Made in Sheffield mark, every ECO-MAX optimiser is specifically built in house to meet your sites exact requirements and to maximise your savings. Large product range allowing unique targeted implementation to specific areas, individual pieces of equipment or areas of lighting, in order to maximise your savings. Optional power factor correction and harmonic filtration modules. Improves the life expectancy of your electrical equipment, which cuts your ongoing maintenance and replacement cost. Large range of control options to maximise your savings, such as brown out protection, voltage stabilisation and SuperSave energy saving modes. Easily installed by any competent electrician, alternatively we can carry out the installation for you. See how much you can save with ECO-MAX Contact us today for your free initial site survey or try our savings calculator online at TEL:

6 Carbon Trust and Salix Funding Many of our projects pay for themselves within one year, meaning that the money to finance a project is already in the energy budget. Despite this many companies and organisations find it difficult to transfer budgets from one pot to another. In these instances Carbon Trust or Salix funding may be the answer. The carbon trust interest free loan scheme was set up to provide a funding incentive to private organisations that invest in energy efficient equipment to reduce carbon emissions. Because ECO-MAX optimisers significantly reduce energy consumption, and thus carbon emissions, organisations installing ECO-MAX may qualify for an interest free loan from the Carbon Trust. Monthly repayments are structured to be less than the financial gain form the energy saved each month. So your cash flow is positive from day one. There are no arrangement fees and GWE will complete the vast majority of the application for you. For Public Sector financing, Salix was set up in conjunction with The Carbon Trust to provide funding on a similar basis. Further information regarding criteria and the application process can be found by visiting and Enhanced Capital Allowance (ECA) The Energy Technology List (ETL) forms the criteria of the Governments Enhanced Capital Allowance (ECA) scheme which allows companies to claim 100% tax relief on ETL compliant projects. ECO-MAX-LIGHTING optimisers can be configured to meet the requirements of the ETL and therefore would qualify for the ECA scheme. This means that the full costs of your project can be offset against the companies corporation tax, providing a tax saving and cash flow boost in the year in which the project is completed. Full details of the process can be found at ECO-MAX-LIGHTING optimisers also qualify for Accelerated Capital Allowance (ACA) in Ireland. Who are GWE? GWE has specialised in reducing electricity consumption and cost since We are based in Sheffield where we developed the first ECO-MAX-LIGHTING optimisers back in 2000, specifically for use at Corus. Since then the ECO-MAX product line has grown and grown, along with our impressive list of customers. In 2009 GWE s range of ECO-MAX Optimisers were awarded the prestigious Made In Sheffield mark of origin and quality. This proposal may qualify for an interest free loan. Terms and Conditions apply DESIGN WORKS, DARNALL ROAD, SHEFFIELD S9 5AH TEL: FAX: sales@gwenergy.co.uk