Patent ID: 7269522

Claim:
An electricity meter for monitoring electrical parameters relating to power flow from a source to a load, comprising: a metrology portion comprising a dynamic data gathering portion, a power supply portion, and a controller portion, said controller portion being configured and operative for causing said electricity meter to variously operate in at least one of a power-up mode, a normal mode, and a power fail mode; a memory portion having a first memory area, a second memory area, and a third memory area, said first memory area and said second memory area being configured for storing dynamic data collected by said dynamic data gathering portion of said metrology portion, and said third memory area being configured for storing static data; and a power monitoring portion having an input configured for monitoring a source and having an output portion; wherein said controller portion of said metrology portion is configured and operative for causing said dynamic data gathering portion to collect dynamic data and to alternately store such collected dynamic data in said first memory area and said second memory area, and to control a power-up operation of said electricity meter during said power-up mode such that upon such power-up operation said controller portion sets initial operating parameters for said electricity meter based on static data stored in said third memory area and based on collected dynamic data stored in a predetermined one of said first memory area and said second memory area.