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The natural gas revolution in South Africa: A changing energy landscape

19th October 2018

By: Creamer Media Reporter

     

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This article has been supplied as a media statement and is not written by Creamer Media. It may be available only for a limited time on this website.

Recent on- and off-shore discoveries of globally significant quantities of natural gas in Southern Africa – including trillions of cubic metres of natural gas in the Rovuma Basin off the Mozambique coast, the biggest global find of natural gas in decades – represent a new dawn for the region’s energy landscape.

Natural gas is one of the cleanest, safest, and most useful forms of energy, providing the world with over 20 per cent of its energy requirements across power generation, industry and transport applications. In South Africa, at just three per cent, the meaningful addition of natural gas to the country’s energy mix will rejuvenate an overburdened, out-dated energy infrastructure and reduce cyclical energy shortfalls.

Perhaps even more importantly, it will stimulate the economy by allowing business and industry to lower their energy and operational spend while also creating significant numbers of new jobs and skills development opportunities. As the market for gas grows, the construction of new conversion workshops, gas filling stations and satellite gas distribution infrastructure will provide a permanent stream of direct employment. Downstream, training, operations and maintenance, bus assembly and manufacturing of trailers, cylinders and other gas equipment will also create significant employment avenues.

The South African government has stated that natural gas forms the backbone of regional economic integration among Southern African Development Community (SADC) member countries. Plans to establish a regional natural gas committee are also afoot, which will be tasked with promoting the inclusion of gas in the regional energy mix.

Natural gas is already a reality for industrial and transport sectors within a 300 km radius of Johannesburg thanks to NERSA-approved gas traders Virtual Gas Network (VGN) and NGV Gas’ development of a compressed natural gas distribution infrastructure, including delivery networks, filling stations and conversion systems. These companies (both divisions of CNG Holdings) have already converted state hospitals, canneries and manufacturing and assembly plants across a range of industries, in addition to commercial fleets, busses and around 1 000 taxis, to natural gas.

In so doing, these end users have been able to:

Reduce energy / fuel costs

Natural gas has a high energy content and excellent price/kilojoule ratio, with consistent energy outputs that improve efficiency. Natural gas delivers 20% to 40% cost savings over petrol and diesel.

Enhance site and vehicle safety

Lighter than air, natural gas dissipates quickly into the atmosphere, reducing the risk of fire pools. It’s also more difficult to ignite, with a combustion temperature of 600° C (150° C higher than petrol and LPG).

Lower operational and maintenance costs

This cleaner burning fuel reduces residue, stench and carbon build up, lowering maintenance requirements and extending service intervals and prolonging overall equipment life, both in plants and in vehicles. This reduces downtime and loss of production time.

Go green

Natural gas emits less CO2 and other harmful greenhouse gases than other fossil fuels. The inevitable introduction of carbon credits in South Africa will emphasise the economic and environmental importance of natural gas increasingly.

Enjoy stable pricing schedules

Natural gas isn’t prone to the constant price fluctuations seen in crude oil products, and therefore allows far greater budgeting accuracy while increasing customer cash flow.

Enhancing access to natural gas

Natural gas can be distributed in various ways: through pipelines; compressed in high pressure cylinders; or liquefied by freezing to -163° C in cryogenic tanks.

VGN and NGV Gas receive natural gas at a distribution station in Langlaagte via the Sasol Gas pipeline that runs from Temane to Secunda and then to Johannesburg. It then distributes gas to customers anywhere within a 300 km radius of this distribution station, managing the entire delivery process on a pay-as-you-use basis according to customers’ energy requirements.

The increased availability in Gauteng of this superior, alternative energy source is enhancing long-term profitability of assets in the industrial and transport sectors. As the gas economy develops, South Africa will be able to increase production efficiencies, economic growth and job creation, and reducing reliance on a less-efficient, polluting fuel used in an aging energy infrastructure.

VGN and NGV (Divisions of CNG Holdings) are members of the Southern African Gas Association (SAGA). For more information on SAGA, please visit www.sagas.co.za or alternatively contact care@sagas.co.za.

Edited by Creamer Media Reporter

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