The central station system is the most cost-effective way to provide utility service, but that's beside the point. Customers don't care about 'utility service.'
Performance standards are a valid idea—if targets are achievable.
Edison, Pennsylvania Electric, Pennsylvania Power, and PP&L Electric Utilities.
11. Achievable Savings: A Retrospective Look at the Northwest Power and Conservation Council’s Conservation Planning Assumptions, August 2007 Council, Document 2007-13.