Local Councils opt for Powerstar

Powerstar LogoThree local councils have recently deployed the EMSc (UK) Ltd Powerstar voltage optimisation system in a commitment to lower the amount of energy they consume and to reduce the size of their carbon footprint.

Due to Powerstar, Tower Hamlets Council, Cotswold District Council and Derby City Council will altogether save more than £24,000 in electricity bills, 240,651kWh of electricity consumption and over 153 tonnes of carbon emissions annually.

Tower Hamlets Council, in London’s East End, has installed a Powerstar system at Albert Jacob House, after Powerstar identified an opportunity to save a minimum of 12% in electricity consumption. Following the installation, an annual saving in electricity consumption of 54,065kWh will be achieved, equating to savings of £6,411 in annual electricity charges and 30 tonnes of carbon emissions per annum.

Derby City Council is aiming to reduce its carbon emissions by 25% by 2013/14 as part of a ‘Climate Change Strategy’. Due to this, the Council decided to install Powerstar systems in the Eagle Centre market, the Environmental Services Parks Management depot and the Market Hall. The council is set to save at least £10,000 per annum in electricity costs, 128,972 kWh in electricity consumption and 69.2 tonnes of carbon emissions, with the system installed at the Eagle Centre market alone expected to reduce electricity consumption by 14.6%.

Cotswold District Council has a carbon management plan that aims to cut CO2 emissions by 25% by 2015. Powerstar was commissioned to install a unit at Cotswold Leisure Centre, enabling savings in energy consumption of 57,614KwH and an overall energy saving of 8%. The Centre has also decreased its carbon footprint by reducing CO2 emissions by 54 tonnes. In monetary terms, Powerstar is projected to make an annual saving of £7,800 on the Leisure Centre’s electricity costs.

Councillor Mark Tufnell, cabinet member for environment and communities, Cotswold District Council commented, “The introduction of the Powerstar unit at the Leisure Centre building is a significant contributor to Cotswold District Council’s energy saving programme. I am particularly pleased that we have reduced costs while contributing to our goal of achieving a 25% reduction in harmful carbon emissions by 2015.”

Powerstar is the only voltage optimisation system designed and manufactured in the UK and is the highest rated with an efficiency of 99.91%.

Powerstar® is the registered trademark of EMSc (UK) Ltd.


Can save up to 26.1% of electricity consumption.

Is fully designed and manufactured in the UK. All Powerstar components, including even minor items such as the paint, are sourced from UK manufacturers. The Powerstar design and any associated software are designed by EMSc UK Limited.

Requires no maintenance and has a 15 year warranty.

Is an approved energy savings system and may qualify for an interest-free Energy Efficiency Loan from the Carbon Trust.

Comes with guaranteed savings.

Will improve the life expectancy of electrical equipment.

Will improve the power quality (reduce harmonics and improve the power factor).

Has the highest efficiency and provides better savings than any other voltage optimisation system sold in the UK. This has been proven in independent tests (on the same load and same voltage reduction), head to head with similar competitive systems. In these tests Powerstar achieved:

  • Significantly higher energy savings (up to 13% more)
  • Reduced harmonics by 88% more than competitive systems
  • Running significantly cooler than competitive systems. (While Powerstar operated at normal ambient temperatures, competitive systems were operating at nearly 70°C).

The EMS team has over 150 years combined experience in designing and manufacturing special transformers and the Powerstar design is a direct result of this experience.

2010 – Winners of the Yorkshire Forward Innovator/10: Innovation in Action Award
2006 – Winners of the CARE4AIR AWARD

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