The successful completion of the Automated Meter Reading (AMR) project in 2010 was a fundamental step in our evolution to a multi-service smart grid. Through the AMR system and the associated Advanced Metering Infrastructure (AMI), we capture reads for more than a half million electric, natural gas and water meters every day.
One-way meters record billing and interval data at 5-minute (electric) or 15-minute (natural gas, water) intervals. The reads are stored on concentrators until collected.
One-way AMR meters send their data in one direction, from the meter to the concentrator. Two-way AMI electric meters record billing and interval data every 5-minutes and have the ability to get real-time reads, voltage information, etc. These reads are stored on the meters until collected, which occurs every four hours. Unlike one-way AMR meters, two-way AMI meters do not store their data on concentrators. Two-way electric meters send their data to collectors and we can communicate back to the meter. Benefits of two-way electric meters include the ability to remotely disconnect/reconnect service, improve network performance, and provide enhanced services in the future.
- Type: L+G Gridstream 902 – 928 mHz spread spectrum Radio Frequency (RF) Mesh Network including collectors and concentrators.
- Topography and network infrastructure create challenges for obtaining interval reads
- Copper theft causing outages
- Interference from unlicensed frequency devices (e.g., baby monitors, interstate signs, other devices, etc.)
There are many areas in which the automated meters provide substantial cost savings and process efficiencies.
- Reduction in labor expenses - elimination of meter readers - with the implementation of AMR system.
- Cost per read savings: 50.8 percent of the cost of manual reads.