They moved into Ballybofey this afternoon and continued to work after dusk. They were still working a short time ago.
The crews – from GMC Sierra – have so far worked unhindered in the Silverwood area.
However some local people are planning protests tomorrow.
It comes after one county councillor publicly called for meters to be vandalised.
There have been stand-offs with the contractors in various parts of the country.
“It is very annoying,” said one local resident.
“We’ve had all the talk about meters now for a year but tonight in Donegal they are a reality.
“It’s heartbreaking the Government is now doing this to us.”