Freescale has recently released a single-phase electricity meter reference design based on Kinetis microcontroller.
The reference design, which was featured as part of Freescale’s Smart Energy Wall display during Embedded World (Nuremberg, Germany) provides a perfect solution for power measurement in single-phase, two-wire installations targeted at the residential metering market.
For more information on this announcement, follow this link (on element14 - Freescale)
For more information on this reference design and kinetis, follow this link (on Freescale website)