SRL for [abandoned]: Consumers Power Co. , now the main unit of CMS Energy , ran into financial problems over its $ 4.2 billion Midland nuclear plant , which was [abandoned] as a nuclear facility in 1984 because of construction delays and high costs .
R-ARG-1: which | ARG-2: as a nuclear facility | ARG-M-TMP: in 1984 | ARG-M-CAU: because of construction delays and high costs | ARG-1: its $ 4.2 billion Midland nuclear plant