The flaws in floors – and in caps Economic Insight Director, Sam Williams, comments in Utility Week on the possible introduction of floors and caps on returns at RIIO2. DOWNLOAD: The flaws in floors – and in caps PUBLICATION AUTHORS SAM WILLIAMS Reading time: 5 minutes RELATED PUBLICATIONS The Cunliffe Review – lessons for energy network regulation Historical underinvestment and the regulatory framework Ensuring a Reliable Approach to Notional Financeability