To see an interesting visual representation of metering initiatives on a global scale, check out this Google map: http://maps.google.com/maps/ms?hl=en&ie=UTF8&oe=UTF8&msa=0&msid=115519311058367534348.0000011362ac6d7d21187.
It's maintained by the Supplier Requirements for Smart Metering (SRSM) Project being run by the Energy Retail Association in the UK.
It takes some time to load, but the overall effect is worth it. Markers are coded by color and shape to show projects and trials for electricity, gas, and water. Click on individual icons for additional details.