Rolls-Royce Battery Technology At Costa Rica Facility

By Jack Burke18 December 2020

Rolls-Royce has provided the technology required for textile company Proquinal in Alajuela to successfully commission the largest integrated energy system in Costa Rica. The system includes both battery storage and solar installations at the site.

Two 40 ft. MTU battery containers from Rolls-Royce with a total storage capacity of 4275 kWh and an output of 1500 kVA are used to meet peak electricity demand, increase the company’s own use of solar power, and relieve pressure on the public grid. 690 photovoltaic panels with 255 kWp capacity have been installed by solar provider Swissol on covered parking spaces at Proquinal and connected to the battery containers to support the system. By generating CO2-free electricity, they help prevent the emission of more than 285 tons of CO2 per year compared to conventional electricity generation. Costa Rica has set itself the goal of becoming carbon neutral by 2050.

The MTU EnergyPacks are mainly charged from the grid at night, during favorable electricity tariff periods, and in the afternoon. The stored energy is used for Proquinal Costa Rica’s textile production process during the two peak periods in the morning and evening, when energy costs are highest. Since electricity is 4.5 times more expensive during peak hours than the nighttime rate, the new energy system will allow the company to achieve savings of approximately US $41,000 per month, which will allow a payback of the investment in a period of 4.3 years.

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