Eutelsat 5 West B
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On 24 October 2019 Eutelsat released a statement saying the company was investigating an incident on one of the bird's two solar arrays.
On 17 January 2020 Eutelsat issued a statement saying that one of the two arrays was unusable, and the resulting power shortage meant that the satellite could operate at only 45% capacity. The satellite was expected to enter service in late January 2020. The satellite was planned to replace the Eutelsat 5 West A. However, due to the power shortage, Eutelsat 5 West A ultimately remained operational for longer than originally planned in a fuel-saving inclined orbit. This extension was one part of the mitigation activities. Eutelsat 5 West B's problems was projected to cost Eutelsat several million euros. Eutelsat had not decided (as of January 17) the size of the ensuing insurance claim.
The European GNSS Agency's GEO-3, a hosted payload of the Eutelsat West B, was not affected by the power loss and was expected to function normally. It entered service on February 14, 2020.