Eight small energy suppliers closed their doors last year as rising wholesale costs tipped them over the edge, and the trend has continued into 2019, with the recent insolvency of Economy Energy, followed by Our Power, which failed on Friday. Industry watchers predict there are more failures to come. The string of collapses has shone a spotlight on unsustainable pricing by new entrants and on the costs all households face from picking up the pieces. What is less remarked upon…