NEW HAVEN, Conn. (WTNH) — Utility companies in Connecticut are working around the clock to restore power following Tropical Storm Henri Sunday.

As of 8:45 p.m. Monday, Eversource’s outage map shows that 519 customers in CT are without power; United Illuminating is reporting 13 outages.

WEB EXTRA: Eversourse gives an update on their storm response – Sunday 6:30p

Eversource says the remaining customers without power will be restored by 11:59 p.m. on Monday.

“Crews made tremendous progress Sunday night and Monday and we remain laser focused on restoring the final outages before the hot and humid weather returns to the region,” said Eversource President of Regional Electric Operations Craig Hallstrom. “The last outages of a large restoration like this are labor intensive and time consuming. We’re also watching the forecast with an eye on the additional thunderstorms expected today. These could cause more outages that our team will address as quickly and safely as possible until every home and business in the state has power back.”

Throughout the storm, crews repaired or replaced 44 broken poles, removed more than 240 trees and restrung more than 25 miles of downed wire.

On Saturday afternoon, Eversource’s CEO said this storm is now considered a level 2 and anticipated that 50 to 69% of customers could be without power for eight to 21 days.

Eversource prepared for Henri by preparing line and tree crews to respond to any potential impact the storm has on its customers and communities.

Eversource brought in crews from across the country, booking 4,000 hotel rooms, staging, and military barracks to house them. Teams preemptively took down potentially problematic trees in the days leading up to Henri’s projected impact Sunday.

“The response is probably the largest response that I have ever had,” said Eversource CEO Jim Nolan on Friday. “Some of the patterns I’m seeing now I haven’t seen for several decades in this business. Very, very serious storm, so I ask customers to be prepared, be patient.”

“We will get the power on when it’s safe and we’ll deal with that matter later on,” Nolan added. “We’ve put together processes and protocols according to the requirements of that legislation and the requirements of PURA to make sure we’re tracking appropriately and reaching out to customers.”

United Illuminating said despite a national shortage of line crews, it was able to get the workers needed to enact its emergency plan. UI serves more than 350,000 customers in the state, and they thought between 30-50% of their customers will be impacted by the storm.

WEB EXTRA: U.I. President and CEO Frank Reynolds gives update Sunday afternoon on the utility company’s response to Henri

“We are staging resources both company and supplemental. We’ve more than doubled our workforce,” said Trish Nelson, United Illuminating on Friday.

Both companies say they’re working with local towns and cities ahead of the storm. Priorities for cleanup will be roads, wires, and critical infrastructure. The companies will be working under new legislative rules, which force them to pay customers for any power outages that go longer than four days.

For more information about how consumers can be reimbursed: