Status report: Ohio's nine nuclear power reactors Davis-Besse 1 Operating between near-meltdowns 1977 - 1985, 1986 - 2002, 2004 - Zimmer 2 Cancelled in 1978 Erie 1 Cancelled in 1980 Erie 2 Cancelled in 1980 Davis-Besse 2 Cancelled in 1981 Davis-Besse 3 Cancelled in 1981 Zimmer 1 Repowered to coal in 1984 Perry 1 Operating on and off since 1986 Perry 2 Cancelled in 1994