Arizona Salt River Project (SRP) employees deployed over the weekend to help guide and coordinate ongoing efforts to rebuild Puerto Rico’s power grid in the wake of Hurricane Maria’s devastation.

SRP spokeswoman Kathleen Mascarenas said the first team of eight left in staggered waves on Sunday and will be in Puerto Rico for 30 days.

“These folks have been without power now for between 70-80 days and counting. Our folks are going to go in and help stabilize things” she said.

SRP has committed to two deployments with team members working for 30 consecutive days during each rotation. The second deployment is scheduled for early January.