Remote Software Upgrade Causes Loss of Control & View
- Event Year
- 2006
- Reliability
- Confirmed
- Country
- United Kingdom
- Industry
- Transportation
Description
ABB performed a remote, unplanned, and unannounced software upgrade to the Power Control Centre between 10am and 11am resulting in a 22 minute loss of control and view of all substations across the network.
Impact
Loss of control and view of all substations across the network for 22 minutes.