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| Company | Herrfors Nät-Verkko |
| Location |
Finland
|
| Timeline | 2023-2024 |
| Project Overview |
Herrfors Nät-Verkko partnered with Safegrid to deploy the Intelligent Grid System® across its distribution network. Following a successful pilot, the solution enabled the utility to quickly locate faults during severe summer storms, reducing response time, operational costs, and service interruptions. |
| Products | Safegrid Intelligent Grid System® |
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This is a Safegrid Case Study.
Background
Herrfors Nät-Verkko operates a distribution network where weather conditions frequently impact infrastructure reliability. Historically, identifying damaged components required extensive manual inspections, which were both time-consuming and costly.
To improve efficiency and strengthen grid reliability, the utility began collaborating with Safegrid in 2023 through a pilot project focused on advanced fault monitoring and localization.
Challenge
The utility faced several operational challenges:
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Difficulty in quickly locating faults after storms
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Heavy reliance on manual field inspections
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Increased costs and time spent on troubleshooting
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Frequent vegetation-related damage, especially during storms
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Risk of prolonged outages affecting customers
During strong summer storms in July, multiple trees fell onto 20 kV power lines, causing faults that required immediate response.
Solution
Safegrid deployed its Intelligent Grid System®, providing real-time fault detection and precise location data.
Key capabilities:
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Accurate fault location identification
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Real-time monitoring and alerts
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Actionable insights for field crews
Implementation outcome:
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Fault locations were identified quickly and accurately
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Actual fault points were within approximately 20 meters of Safegrid’s indicated locations
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Maintenance teams were able to go directly to the fault site without unnecessary searching
Benefits
The solution delivered significant operational advantages:
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Early detection of hidden faults
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Reduced need for extensive troubleshooting and inspection
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Faster and more accurate fault diagnosis
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Prevention of unplanned outages
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Improved proactive maintenance capabilities
Results
With Safegrid’s Intelligent Grid System®, Herrfors Nät-Verkko achieved:
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Precise fault location within approximately 20 meters
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Rapid response to storm-related faults
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Faster repairs and restoration of power
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Reduced operational costs
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Shorter service disruptions for end customers
Conclusion
The collaboration between Herrfors Nät-Verkko and Safegrid demonstrates how advanced fault localization technology can transform grid operations, especially during extreme weather events. By replacing time-consuming manual inspections with precise, real-time data, the utility significantly improved response speed and efficiency.
This case highlights the value of intelligent monitoring in reducing downtime, lowering costs, and ensuring reliable power delivery even under challenging conditions.