The utility had asked the province’s Energy and Utilities Board to raise rates by about 2%.
Significant weather events have consistently increased over the last five years, according to the CEA.
Three options identified, range from $2 billion to $5 billion.
The 2% increase was to help cover a budgeted revenue requirement of $1.7 billion.
A release of hydrazine occurred Nov. 3 from a valve located on the non-nuclear side of the station.
NB Power says it has completed a major part of the refurbishment of Atlantic Canada’s only nuclear power plant.