ABB Showcases Solar-Diesel Microgrid at its Johannesburg Facility

ABB continued to expand its footprint in Africa’s microgrid market today with a new solar-diesel microgrid, showcased at its 314,961 square-foot Longmeadow business park in Johannesburg.

The installation is part of a larger push by ABB into South Africa, where a market for microgrids is forming because power demand is outpacing supply, leading to erratic electric service. ABB was one of seven major energy companies that joined forces last year to drive policy that encourages low-carbon microgrids to the country.

ABB is embarking on a “next level strategy” into growth markets like Africa where innovative technologies like microgrids can improve power reliability, according to Claudio Facchin, president of ABB’s Power Grids division

“This innovative microgrid solution helps address a real-world challenge by providing stable and cost-effective continuity of power supply while minimizing environmental impact,” he said.

The Johannesburg business park, where ABB operates a factory and has offices, is connected to a central grid, but electric service isn’t always reliable. So the facility has been using diesel generators for back-up power.

ABB integrated solar and microgrid control technology with the back-up generation to green the facility and increase its electric reliability. ABB expects the microgrid to keep the lights on at the facility during planned and unplanned grid outages.

The solar-diesel microgrid uses ABB’s PowerStore battery-based grid stabilizing system, designed to address frequency and voltage fluctuations. It also includes a ABB’s Microgrid Plus distributed control system to manage the supply of power and balance the fossil-fuel and renewable energy sources with loads in a coordinated manner.

The battery capacity is 1 MVA/380 kWh and the rooftop solar array 750 kW.

O&M will be handled by a cloud-based remote service system, in keeping with ABB’s Internet of Things, Services and People (IoTSP) approach.

The solar-diesel microgrid is modular and containerized, pre-designed for this type of application, according to ABB.

ABB noted that there are thousands of similar facilities in emerging economies that could benefit from microgrids. The microgrid industry is particularly focused on parts of Africa, Asia and South America where no electric grid exists or service is unreliable.

ABB is one of the  top companies for development of microgrid capacity worldwide, according to Navigant Research. It has more than 30 global installations serving remote communities, islanded grids, utility grid support and industrial campuses.

solar-diesel microgrid

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Elisa Wood About Elisa Wood

Elisa Wood is the chief editor of MicrogridKnowledge.com. She has been writing about energy for more than two decades for top industry publications. Her work also has been picked up by CNN, the New York Times, Reuters, the Wall Street Journal Online and the Washington Post.

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  1. […] operates a solar-diesel microgrid at its 314,961 square-foot Longmeadow business park in Johannesburg, South Africa. The facility, which includes a factory and offices, had been using diesel generators […]

  2. […] Robben Island microgrid is the second hybrid microgrid ABB has completed in South Africa. The first ABB installed at its Longmeadow (Johannesburg) regional headquarters, manufacturing and logistics […]

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