Guardian: A plan to set up an innovative “green” utility with a £1bn flotation on the London stock market risks being blown off course due to financial problems in the eurozone. Engyco, led by former United Utilities boss John Roberts, has admitted that expected cutbacks to subsidies on renewable power projects in Spain would threaten its plan for an initial public offering (IPO). The company was formed as a vehicle for investing in the Spanish solar market with the hope of creating a pure …