Impact of switching off gas supply

castalia final report, Sept 2025As natural gas supply declines it is critical to understand the full implications of replacing natural gas with electricity. Analysis shows that the Switch-off scenario is more expensive than continuing with BAU, assuming energy prices remain at recent historical levels. This also holds under different energy price assumptions with different (higher and lower) electricity and natural gas price trajectories.

This report shows the value of augmenting natural gas supply with supply of biogas and biomethane.

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