to provide a stabilised voltage to an otherwise unstable supply. Each system is suited to a certain type of site profile, so a thorough site survey and analysis of a site’s voltage profile is recommended before deciding on a solution.

Funding energy saving projects Implementing energy efficiency projects, such as voltage optimisation technology, requires capital investment at the project’s conception, and, often, the company is then solely responsible for the equipment once purchased. Although typically a bespoke solution will pay for itself through energy consumption savings within 2 – 4 years, it can still be deemed unviable to businesses that have reserved their capital for core business activities or are otherwise restricted by funding rules.

“Problems caused by

overvoltage can be costly, both in terms of financials and opportunity.”

technology that was developed to optimise the high voltages supplied from the National Grid. The average supply delivered within the UK is 242V but can be as high as 253V, whilst the optimum for most electrical equipment sits around 220V due to EU design characteristics.

Voltage optimisation reduces oversupply to a more favourable level, therefore preventing the problems typically associated with excessive voltage, especially when commissioned as a tailored solution based on data, rather than an ‘off-the shelf’ product which is not fully equipped to deal with unique site requirements.

Through optimising, cleansing and conditioning the incoming supply to reduce the amount of wasted energy caused by overvoltage, a tailored voltage optimisation solution reduces the overall electricity consumption of a site, thereby minimising a business’ electricity costs and protecting CSR and reputation by curtailing CO2

to shrink its carbon footprint.

Cost and consumption savings achieved through voltage optimisation are tangible, measurable and can provide significant savings on energy costs to enable capital to be better invested into other areas more crucial to the operations and profitability of the business.

Generally speaking there are two types of voltage optimisation systems; fixed and electronic-dynamic. Fixed systems reduce the incoming voltage by a predetermined set amount, whereas electronic-dynamic systems dynamically alter the incoming voltage level

Therefore, despite the numerous benefits the technology can deliver, it can be difficult for facility managers to gain approval on such projects, or they are deprioritised to the point that they are continuously delayed in favour of more ‘crucial’ projects.

However, there are various funding options available that allow businesses to benefit from energy saving solutions without the investment of capital upfront. One such option involves receiving voltage optimisation ‘as a service’.

Powerstar, a specialist in providing such technology and backing it with 100% savings guarantee, has a model that allows its clients to implement voltage optimisation technology whilst staying cash positive from day one. It involves a service contract being agreed between Powerstar and the benefactor, which specifies length of service term and payment structure, to provide a bespoke, straightforward, and flexible funding solution.


This allows FMs to present an energy saving project with no down side. The fixed regular payments of the agreement are based on the economic benefit of the voltage optimisation solution, meaning the payments will always be less than the savings achieved. This enables the company to remain prioritising core business operations whilst still benefiting from a risk-free energy saving solution to preserve CSR and move towards satisfying the Government’s regulations.

As with all Powerstar solutions, an engineering- led, bespoke and concept to completion approach is utilised meaning the funding agreement will be tailored specifically to the client’s needs, priorities, and the characteristics of the facility, allowing for flexibility to ensure maximum value for the customer. TOMORROW’S FM | 51

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