The energy trilemma is widely recognised as the need to achieve a low-carbon, cost-effective and secure energy source. It’s like a three piece puzzle – it should be simple to complete – but the commercial models currently in use always leave a piece missing.
Fossil fuels are cost-effective and secure, but they are not low-carbon. Renewable energy is clean and cost-effective, but intermittent. As such, the majority of the world is currently reliant on generating energy from fossil fuels to fill the troughs in renewable energy supply. But if we are to meet the COP21 targets then it is vital that fossil fuels are gradually phased out.
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