Noboa, who took office in November, had declared an energy emergency and instituted power cuts earlier this week, but the cuts will be suspended on Sunday for a referendum he looks set to win on a raft of security measures.
A drought caused in part by the climate phenomenon known as El Nino has hit levels at hydroelectric dams, which produce most of Ecuador's power
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His first emergency declaration, in January, sought to tame surging crime by allowing more coordination between the military and police.
In Saturday's 60-day state of emergency, Noboa deployed the military and police to guard energy infrastructure, according to a decree published on his office's website.
The latest state of emergency is meant to "guarantee the continuity of the public service of electricity," according to the decree.
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A drought caused in part by the climate phenomenon known as El Nino has hit levels at hydroelectric dams, which produce most of Ecuador's power.
