Case Study #04 Voltage Power Optimisation Southwark Council has set a challenging target to reduce carbon emissions in the borough by 80 per cent of current levels by 2050. As part of that commitment the Council has installed three powerPerfector units - including at a ten storey car park in Peckham. Car parks see some of our most impressive savings. The combination of heavy lighting loads and long operational hours mean a high proportion of the unit’s capacity is used for longer – improving the Return on Investment. Lighting is particularly susceptible to losses at high voltage and, by bringing the voltage to the correct level, savings can be delivered with no discernible drop in light levels. Voltage logging on the site showed that the average voltage was 240

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