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Embedded electricity generation at Black River Park

Embedded electricity generation at Black River Park

Today the City of Cape Town signed the first small-scale embedded electricity generation contract with Black River Park Investments, an office block in Observatory.

We commend Black River Park for leading the way in the commercial real estate sector by utilising large-scale solar power systems to generate environmentally sustainable energy.

They will be producing some of the electricity to meet their own consumption demands.

Under the terms of this contract, Black River Park will feed a limited amount of extra electricity, which they generate, back into the City’s electricity grid and they will receive an offset against their monthly electricity accounts.

They would do this over weekends for example when the office park’s electrical load is reduced. The electricity that is saved will be fed back into the City’s grid.

It is envisaged that this will be the first of many small-scale embedded generation (SSEG) installations to be connected to the City’s grid.

We are hopeful that the provision of such opportunities will help stimulate the green economy by increasing demand for solar panels and other sources of alternative energy. This will in turn help create jobs in this sector.

The Black River Park project is in line with the City’s commitment to creating a sustainable city that addresses the challenges facing our environment.

It also maintains the City’s position of being at the forefront of green initiatives.

The City of Cape Town has set itself a target of sourcing 10% of its electricity from renewable energy resources by 2020 and the roll-out of the small-scale embedded generation tariff supports this goal.

Cape Town, along with all cities throughout the world, has to contend with the negative consequences of climate change.

South Africa’s electricity generation is notoriously environmentally unfriendly, as it relies to a great extent on the burning of coal. For every 1KWh of grid electricity consumed, 1kg of carbon dioxide is released into the atmosphere.

Our over-reliance on fossil fuels for our energy needs cannot continue unabated, and we as a City need to do everything possible to pursue alternative, cleaner sources of energy.

The primary ways we are doing this include using electricity more efficiently and using electricity generated from renewable sources such as the sun and wind.

For more than a year, the City has been running a project to find a solution which allows consumers to feed power back into the grid and to receive an offset doing so.

This has been a complex process as numerous factors have had to be addressed, including: the establishment of appropriate tariffs; identification of suitable metering systems which can measure power flow in two directions; and the implementation of automated billing systems which take into account both the purchase and sale of electricity.

Black River Park’s solar project at the 74,000m² office park is the largest integrated photovoltaic plant in Africa.

Their panels cover an area of 11,000m², which is just over two full-sized rugby fields, and generate between 20 – 30% of the complex’s electricity requirements.

The Black River Park’s PV (Photovoltaic) installation has already saved around 1,300 tons of coal through the use of renewable energy.

It has produced around 1,368MWh, which is equivalent to keeping 157 Cape Town houses running for a year. 

This innovative project underscores the value of using green energy and taking advantage of the City’s programme to allow for offsets in exchange for the feeding into the grid of excess electricity.

Consumers who wish to feed SSEG electricity into the municipal electricity grid need to have a bi-directional advanced meter infrastructure credit meter installed by the City at their own cost and take their electricity supply at the appropriate SSEG tariff.

Guidelines and application requirements can be found on the City’s website. Interested parties are encouraged to contact the City for further information.


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