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On Site Generation

Powerstar, with its specialist partners, can provide, as well as optimise, a range of on site generation technologies, including solar, CHP and wind. Powerstar can build a smart microgrid to suit, integrating the onsite generation with battery storage, as well as other 3rd party energy solutions.

The advantages of building a smart microgrid with onsite generation combined with battery storage is the significant reduction of energy:

  • Cost – Suitably modelled, designed and structured onsite generation with battery storage can significantly reduce energy costs
  • Carbon – Onsite generation technologies (especially renewables) with battery storage, can dramatically reduce carbon emissions
  • Risk – Onsite generation combined with battery storage can help build resilience against grid failures

The choice of generation, whether solar, wind, or CHP will depend on the physical constraints of the site, the loads and the cost of the grid. Powerstar and its specialist partners can model, design, build and manage the onsite generation to achieve the objectives set.

With many organisations, the judicious use of onsite generation and battery storage can be a win-win situation for both the business and the environment. Furthermore, with the wide range of technologies, finance options, and managed services, there is an ability to provide bespoke solutions for businesses.

The most commonly requested forms of generation are discussed below:

On Site Solar


Solar (PV) is one of the most well-known sources of renewable generation. Through the use of photovoltaic (PV) cells, energy from the sun can be turned into electricity. When the light from the sun shines on the PV cell, an electric field is created and the stronger the sunshine, the more electricity is produced.

Available to be added to a rooftop or ground mounted, solar can be implemented onto most sites but is particularly relevant for those with large sites that have high exposure to the Sun.
The green aspects of solar power are self-evident and the doubts surrounding the technology’s intermittency due to its reliance on optimal weather conditions are being minimised due to the emergence of energy storage solutions to smooth this intermittency.

On Site Wind


Due to the UK’s infamous climate, wind energy is a well-known and fast-growing source of renewable generation. Wind produces energy through the wind hitting turbines and therefore causing the blades of the turbine to spin. This spinning turns a shaft in the box of the turbine, following this a generator built into this box then converts kinetic energy into electrical energy.

Whilst wind turbines require special permissions, it can be a great form of generation for sites that have high exposure to wind, a common trait in much of the UK.

As with solar, the doubts about wind’s reliability due to its intermittent nature are receding due to the ability of energy storage to smooth the intermittency.

On site CHP

Combined Heat and Power (CHP)

CHP is a process that can be applied to any type of fuel. It generates electricity whilst also capturing usable heat that is produced in this process.

As it is produced locally, CHP avoids any distribution and transmission losses and its efficiency is further highlighted through its ability to reduce carbon emissions by up to 30% when compared to the separate means of conventional generation via a boiler and power station.

Often already integrated at hospitals and industrial sites CHP is suitable for sites that need to use both electrical and thermal energy.

A key consideration for CHP is ensuring it is sized correctly, and in cases where it is oversized or not running optimally, energy storage solutions can be beneficial to enhance output.



Biomass is organic matter, essentially anything which is produced naturally such as food waste and wood pellets. This organic matter can be converted into energy, and in some cases can be grown specifically as an energy crop. To convert it into energy, dry biomass is burnt in boilers or furnaces which boils water and creates steam that then drives a turbine to generate electricity.

Wet biomass is put into sealed tanks where they rot and produce methane gas. The gas can then be captured and burnt to generate electricity.

Integrating generation as part of a smart energy strategy

All of the above generation technologies can be sourced by Powerstar through its trusted partner network, and implemented as part of a comprehensive energy strategy alongside Powerstar’s manufactured smart technologies.

Find out how you could benefit from a smart energy strategy by clicking here to contact one of our experts today.

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