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Black Start in the world of 'new energy': how to recover the energy system when coal is a thing of the past

“Black Start” is the process by which the National Electricity Transmission System (NETS) would be recovered following a total system collapse. This is a not uncommon occurrence in some regions of the world but thankfully) unheard of in the UK; that does not mean we should not plan for such an eventuality.

However, the current approach, which requires the constant availability of a thermal plant on hot standby, is costly in both environmental and financial terms (around £50 million annually).

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Gas Engines vs. Gas Turbines – tipping scales

1- 30 MWe gas turbines (especially in CHP mode) will likely continue to have the majority market share in mid-sized and large industrial sites with electricity and high temperature steam / heat needs. However, gas engines (100 kWe – 20 MWe) are increasingly stealing market share across a variety of other end-use sectors.

Figure 1: Gas engines vs. gas turbines in stationary power applications

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