Impact of myopic decision-making and disruptive events in power systems planning

The delayed deployment of low-carbon energy technologies is impeding energy system decarbonization. The continuing debate about the cost-competitiveness of low-carbon technologies has led to a strategy of waiting for a ‘unicorn technology’ to appear. Here, we show that myopic strategies that rely on the eventual manifestation of a unicorn technology result in either an oversized and underutilized power system when decarbonization objectives are achieved, or one that is far from being decarbonized, even if the unicorn technology becomes available. Under perfect foresight, disruptive technology innovation can reduce total system cost by 13%. However, a strategy of waiting for a unicorn technology that never appears could result in 61% higher cumulative total system cost by mid-century compared to deploying currently available low-carbon technologies early on.Investment and policy decisions about low-carbon technologies have been affected by the promise of a ‘unicorn technology’ that may reduce emissions at low costs. Researchers show that such investment delays can have high implications on cost and emissions whether the unicorn technology materializes or not.

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