Solar power with diesel backup – a financial boon to mining sites
Of the 400 operating mine sites in Australia, 170 are either off-grid or connected to a smaller distribution network and needing to supply their own electricity. Natural gas and diesel dominate as fuel supplies for electricity generation and other energy uses. Rising prices of both of these fuels are leading mining companies to consider alternatives.
In South Africa, reliability of electricity supply has been a major issue for the mining sector, with electricity shortages in 2008 severely impacting operations and financial performance at a number of mine sites. The South African Government is addressing electricity supply issues through a renewable energy procurement programme….
Renewable energy, and in particular solar photovoltaic (PV), can offer significant benefits to mining companies. The unit cost of energy from solar PV is now below $US200/MWh in many locations compared to typical diesel generation costs of around $US300/MWh. This provides an opportunity for mining companies to reduce energy costs by reducing diesel consumption and maintenance costs with solar generation, particularly at sites with high day-time loads. The diesel engines are retained for night-time generation and as backup to the solar panels. Their operating life is also extended through lower annual operating hours.
Mining operations are strongly influenced by international commodity prices and operational focus can change rapidly in response to market signals. Diesel generators support this flexibility through their modularity and ability to be relocated to other sites if required. Solar modules also offer a degree of flexibility. With simple foundation systems and electrical reticulation, solar installations can theoretically be redeployed to other sites if mining operations need to close down. Recent trends in lease financing of solar modules provide further alignment with mining operations.
As panel prices continue to decrease and panel efficiency continues to increase, expect to see greater focus on renewable energy as a strategic consideration for mining operations. http://sourceable.net/grid-renewables-mining-energy-price-certainty/
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Great Post About Diesel generators in dubai.Thanks for the post. Ii will look forward to see more useful posts from your blog
Comment by Adpowerae | December 9, 2013 |