NDP will write down $1.1 billion in deferred expense costs to reduce the amount of rate increases.
The company also says it has targeted an additional $1.5 billion to $2 billion in asset sales next year.
An advisory group that includes staff from government ministries and BC Hydro will conduct the first review.
Forest products company had mounted a $250-million claim against the Canadian government in early 2012.
Mercer claimed competing pulp mills in the province received more favourable treatment over purchase/sale of power.
They allege the BC government knowingly overstepped its authority when it gave permission.
Protesters call for temporary suspension of land-clearing, construction and federal approvals.
Contract will be completed over eight years and is expected to employ up to 1,500 people.
Several groups with outstanding legal challenges against the megaproject.
Province’s council of building trades has filed a lawsuit that argues BC Hydro’s plan violates the charter.
Project decision still not final.
Energy minister expects a decision by the end of the year.
Government says dam needed to meet clean energy commitments.
Northwest Stave River project will power more than 5,500 BC households annually.
Critics warn the Site-C hydroelectric dam would flood an 83-km stretch of the Peace River Valley.