Affordability is always a concern for consumers and policy makers, but this has beenheightened in recent years by price spikes for fossil fuels during the global energy crisis andresulting pressures on the cost of living. Consumers around the world spent nearlyUSD 10 trillion on energy in 2022 – an average of more than USD 1 200 per person – evenafter considering the subsidies and emergency support mobilised by governments. This isnearly 20% more than the average over the previous five year