Saving around the corner in Arnhem (NTP) in October!

The problem

We don’t have to explain that the sun shines less often in October than in, say, June or July. That certainly does not mean that a Solar Generator is not interesting in the dark months. NTP used the Volta Energy 15kVA Solar Generator for the entire month of October (31 days).

Here the generator was used as a power supply for the road works where the final energy consumption was 744 kWh. Despite the fact that the weather was bad it produced quite nice results, which we are therefore happy to share.

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The objective

At Volta Energy, we like to highlight our best cases involving the use of a Volta Solar Generator. However, when the aggregate is used around the corner from us, that is just a little bit more special. In October 2021, this was the case with road works at the Westervoortsedijk in Arnhem. Here, contractor NTP used Volta’s 15 kVA solar generator. The objective? A sustainable energy supply that is good for both the environment and the customer’s wallet.

The challenge

The challenge is to provide sufficient solar energy even in the autumn, when the sun is not shining as much. Power is needed on location at NTP for the entire month of October. Without the many hours of sunshine, how can we ensure that the energy used is sustainable?

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The results

Volta Energy’s Solar Generator ultimately provided 151 kWh of generated energy through the solar panels (PV), enough to operate about 20% with energy-neutral power.

For the remaining running time, generated energy via a biodiesel aggregate was used. However, thanks to the battery pack, the efficiency of the biodiesel aggregate was increased significantly. As a result, a savings of 86% in running time was achieved.

Compared to a conventional diesel aggregate, over €250 was saved in the month of October by NTP thanks to the use of the Volta Solar Aggregate, while as much as €500 was saved compared to an HVO B100 aggregate. This already includes the rental cost of the generators in the calculation. In addition, 3717.32kg of CO2 has been saved and 3.77kg of NOx has been saved as 820 liters less diesel has been consumed.

All in all, we hope to provide more locations with such savings and even expect to achieve cost savings with this. This is because the equipment works many times more efficiently than a conventional diesel generator.

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