Xcel Helps Boulder Become a SmartGridCity

Xcel Energy's SmartGridCity project in Boulder, Colo., has completed construction of the infrastructure and launched the remaining software to enable all SmartGridCity operational functions.

Xcel Energy said that this step makes it the first fully functioning smart grid enabled city in the world that increases reliability, provides customers with greater energy use information, and allows participating customers and Xcel Energy to control in-home energy management devices remotely when demand calls for it.

"As measurable results continue to be achieved in the coming months, we look forward to continued improvements in operating efficiencies, as well as new and improved services for the citizens of Boulder, Colorado," said Tim Taylor, president and CEO, Public Service Co. of Colorado, an Xcel Energy company. "We have learned a tremendous amount from our installation of SmartGridCity and anticipate additional benefits for us and all of our customers."

This launch ties together all the automated functions of SmartGridCity including: switching power through fully automated substations; re-routing power around bottlenecked lines; detecting power outages and proactively identifying outage risks. The deployment integrated more than 20 applications, 95 new interfaces and more than 300 test cases.

The latest software is proving some smart grid theories about reducing power outages on the company's distribution system and adding real-time monitoring capabilities of the electric grid status. Early results indicate that smart grid technology is allowing the company to predict equipment failure and proactively make necessary repairs before an outage occurs.

The SmartGridCity project also included automating three of four distribution substations, four computer-monitored power feeders, and another 23 feeders that are watched for voltage irregularities. Approximately 200 miles of fiber optic cable, 4,600 residential and small business transformers and nearly 16,000 smart meters are now connected to the smart grid system.

The SmartGridCity construction phase on the network "backbone" was recently completed. The collaborative effort involved the resources and expertise of the Xcel Energy's Smart Grid Consortium, including Accenture, Current Group, GridPoint, OSIsoft, Schweitzer Engineering Laboratories, SmartSynch and Ventyx.

"We can now read customer meters remotely, identify and reduce outages and false power outage calls more quickly," said Jay Herrmann, Xcel Energy regional vice president. "By cutting the number of times we send crews out to those calls, we can make our crews more productive. Combining those efficiencies while reducing outages will allow us to capture cost-savings more appropriately and benefit our customers."

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