In this article co-authored by Dan Monzani, managing director, UK & Ireland, and Tom Betts, senior associate, at Aurora Energy Research, they walk us through the viable next steps for investment signals after zonal pricing was ruled out. There are two respectable theories of change for decarbonising the British power system. The first is that, because we had allowed action to lag ambition, we needed a renewed and urgent sense of mission with all levers pressed forward urgently to the max.