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Smart Grid Sioux Valley

Sioux Valley Dakota, Smart Grid, Case Study, Smart meter, Infrastructure, climate change, Carbon

Case study Smart Grid Meter Project Sioux Valley, improved power quality and operational efficiency

Smart Grid Smart Meter Project Sioux Valley Dakota (USA). Technology and investment in Smart Grid infrastructure: Case study including results.

Results

  1. Improved Electric Service Reliability
    All meters are mapped in the geographical information system (GIS), which is integrated with the customer information system (CIS), outage management system (OMS), meter data management system (MDMS), and AMI head‐end, allowing SVE to identify, diagnose, and troubleshoot meter‐ related billing and performance issues remotely.
  2. Improved power quality and operational efficiency
    The MDMS tamper detection capability provided an unexpected benefit in revealing line voltage problems, which are identified through meter data analysis and can be addressed proactively to improve power quality. The voltage level and the number of blinks that each meter sees are analyzed on a rotating daily schedule. This analysis allows SVE to address high or low voltage or a large number of blinks before problems escalate.
  3. Reduced operating and maintenance costs and greenhouse gas emissions
    In the first six months of 2013, SVE avoided 367 truck rolls through remote meter diagnostics and troubleshooting enabled by the AMI network.
  4. Improved customer service
    Customer service representatives are better able to answer customer questions about high bills. SVE staff can assist customers in navigating the web portal, helping them to access and understand the information provided
  5. More
    The AMI, OMS, and GIS integrated systems indirectly support local law enforcement agencies, who can work with SVE to quickly locate and resolve some emergency situations in the area.

Why they acted

The project aimed to

  • reduce peak electricity demand
  • overall energy use
  • and operations
  • maintenance costs
  • while increasing distribution system efficiency and reliability

How we did it

The project has implemented two‐way communications to

  1. allow customers to view their energy consumption at their convenience through a web portal and in‐home devices
  2. enable SVE to manage, measure, and verify targeted demand reductions during periods of peak demand
  3. enable SVE to remotely identify and diagnose outage conditions and more quickly restore power
  4. perform near‐real‐time engineering analysis of the electric distribution system to allow for the most prudent use of capital dollars for system improvements
  5. enable net metering for load‐side or customer‐owned generation

Next step

SVE recently introduced a pre‐pay program, and approximately 1,000 members are taking advantage of this new AMI‐ supported service.

Pre‐pay has proven to be one of the best option of the technology. Write‐offs from uncollectable accounts have decreased by almost 50% since program initiation.

The utility plans to expand the program and is developing an energy management application for smart phones. Time‐based rates are being evaluated as part of the current cost‐of‐service study. These can be effectively utilized for electric vehicle charging.

Because of the large influx of data captured through the MDMS, SVE plans to design and implement end‐to‐end business processes to efficiently analyze, understand, and report on the AMI system’s status and impact on billing.

Lessons Learned

  • Utilizing multiple installation vendors provides greater flexibility
  • Deployment of advanced AMI system capabilities (e.g., remote connect/disconnect, third‐party data access, and web presentment) requires a critical mass of meters and a stable network.
  • External meter evaluations based on UL standards provides reassurance of product quality.
  • Integration of new systems requires an agile approach during design and deployment.
  • DA systems integration maturity is continuing to evolve.
  • HAN industry interoperability functionality is continuing to evolve toward a reliable “plug and play” solution

Contact Information

Ted Smith – Director of Engineering and Operations

Sioux Valley Energy

E. ted.smith@siouxvalleyenergy.com

Recipient team website: siouxvalleyenergy.com

 

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