This is as necessary for the internal electric power supply as for the reactor cooling system, which guarantees the reliable thermal dissipation in every operating status, even when an implausible accident ingresses (for example a break of a primary coolant line).

[citation needed] The nuclear power plants Isar must also therefore have its own temporary storage facility, which has been under construction since 15 June 2004.

[needs update] Work on the temporary storage facility at the Isar location was marked by protest actions from environmentalist and resident groups, which voiced concern about possible health effects.

[citation needed] The interim storage facility of Isar nuclear power plant is in use since 2007 and provides capacity for 152 fuel element containers.

[clarification needed] Concerns for the safety of nuclear power production were greatly increased after the Chernobyl accident in 1986, eventually leading to plans for its phase-out in certain countries.