San Diego

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Advanced Metering Infrastructure (AMI)

Advanced Metering Infrastructure (AMI) uses radio-based technology to read water meters thus eliminating the need for manual meter reads. 

During the City's Initial Implementation Project, approximately 11,000 meters were fitted with AMI transmitters. About 10,000 of these meters are larger meters which are read and billed monthly. These meters provide service to our multi-family, commercial and industrial customers. These are the highest volume users and the meters which are the most difficult to read. Some are located in canyons, alleys, vaults in the street, etc.

In addition to the customers with monthly bills, approximately 1,000 single-family residential customers were also included in the Initial Implementation Project. These customers were chosen because they all lie within one pressure zone so evaluating the benefits for these customers was easier.

The AMI technology will benefit our customers by providing online daily detailed water usage information captured from the previous day and better tools to conserve water. It will also make the Public Utilities Department more efficient and cost-effective by reducing expenses. (For more information, please refer to the PDF icon Frequently Asked Questions.)

Once the system is in place and has been thoroughly tested, these initial customers will be provided a web portal where they can track and review their water use data.

The City is moving forward with steps to expand the AMI System to the remaining City water meters.

For more information regarding the AMI project, please email the Public Utilities Department at water@sandiego.gov.