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Everyone needs electricity and heat – but how to best organise transmission, distribution and storage? Go ahead and learn about the most intelligent designs and solutions!
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A solar hybrid photovoltaic (PV) system with a capacity of 800 kWp has been installed at UAC Dairies in Lagos, Nigeria.UAC Dairies is the subsidiary of UAC Foods, a company that produces beverages, ice-cream and snacks. With the increase in grid electricity costs by approximately 40% since November 2020, UAC Dairies saw a huge increase in their production costs and was looking for ways to reduce it. Energy costs account for about 40% of their production costs so an increase in this naturally translates into an increase in the price of the products for consumers.
Thesystem provides the ice-cream producing company with clean energy, saving up to 2.000 tonnes of CO2 emissions per year.The solar system will provide 50% of the factory’s daytime power consumption, reducing the use of diesel generators. With the new solar system, UAC is expected to save more than 30% on its current energy costs over a ten-year period.
The PV system consists of an array of solar modules mounted on the factory’s roof that convert energy from the sun into electricity, inverters that change this electricity from a DC current to AC current, and a monitoring system that continuously tracks the output of the system and also enables remote monitoring. The power produced is supplied to the factory’s existing electrical system (grid and diesel gensets), and interconnects via a hybrid controller. The controller enables the prioritization of the power sources based on the cheapest available source per kWh, with solar power in this case as the primary source. The factory is still connected to the national grid, however the electricity produced by the solar system is solely for captive/self-consumption and is not fed back into the grid. During the night or on cloudy days, when not enough energy is produced by solar power, electricity comes from either the national grid or diesel genset.
The project was coordinated and implemented by Daystar Power Group, a German SME providing renewable energy solutions for commercial and industrial clients across Africa. Using its Solar-as-a-Solution model under which the company pays a flat tariff per kilowatt hour with zero upfront costs, Daystar Power designed a tailored solar solution for UAC Foods. For the installation, Daystar mounted 1496 units of 535 Wp PV modules, on the roof of UAC Dairies Ikeja factory. The solar panels are connected to a remote monitoring system, allowing for preventive maintenance. Daystar now operates and manages the power system, guaranteeing 99% system uptime and UAC only need to focus more on running their core business.
Daystar engineering team showing the UAC team how the system works during the inauguration event.
The Project Development Programme (PDP) team of the German Energy Solutions Initiative supported the project development process by providing technical and economic analyses and played a key role in initiating business. The PDP team was also involved in bringing together suitable partners for this project.
This was done by collecting data to understand UAC’s current energy costs, pattern of operation and energy sustainability goals. With these PDP was able to advise UAC on the cost savings opportunity the solar system could provide. Throughout the process, PDP addressed any technical, financial and legal questions. PDP outlined the potential of saving considerable costs by exploring different investment models that were well-suited to their financial demands. With a corresponding mandate by UAC was connected to German SMEs that fit their criteria. B2B meetings to negotiate with experienced project developers where set up.
Nigeria offers large prospects for climate friendly energy solutions as they are very cost competitive for running commercial and industrial operations. PDP plays an important role in the energy transition in Nigeria by improving the technical know-how and advising on the access to finance in the region.
System Data
Installed capacity:
800 kWp
Location:
Lagos, Nigeria
Client:
UAC Dairies
In operation since
August 2021
German business partner:
Daystar Power Group
Type:
Roof-top PV
Yield:
Up to 1,251 kWh per year
Saved CO2 emissions:
Up to 2000 tonnes per year
Number of solar panels:
1,496 of 535 Wp PV Modules
Number of inverters:
8
Project Video
07/12/2021Video
Video:PEP-Referenzprojekt: Solar-Hybrid-System für UAC Dairies
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