By Gloria Dickie LONDON (Reuters) – Embracing decentralised power grids may be the way forward in building out renewable energy capacity to reach global climate goals, the CEO of investment firm Sustainable Development Capital said on Monday. Speaking on a panel at the Reuters IMPACT sustainability conference in central London, Jonathan Maxwell said U.S. electricity challenges showed a need to “focus on decentralisation”. “Let’s generate (electricity) locally or on site so we don’t waste energy somewhere between conversion and transmission, distribution and end use,” Maxwell said, answering a …