noun
planned power outage; scheduled blackout
Refers to a deliberate, pre-announced electricity cut, often for grid management or energy conservation.
電力不足のため、明日は計画停電が実施される。
Due to power shortages, a planned power outage will be carried out tomorrow.
停電 is a general power outage, often unplanned. 計画停電 specifically means a scheduled, intentional blackout.
Compound of 計画 (plan) + 停電 (power outage). A modern term that gained prominence during energy-saving campaigns.