Northern Territory criminals have risked their lives damaging electrical transformers around Palmerston, causing power outages and a school closure, police say.

Men convicted of having gay sex under now-abolished anti-homosexuality Northern Territory laws must have their records wiped, human rights lawyers argue.

Canberra's controversial 2007 response to alleged rampant child sex abuse in the NT involved no consultation with her, says former chief minister Clare Martin.

More than 62 kilograms of marijuana worth $900,000 has been seized by NT police in a 14-month operation preventing drugs entering remote communities.

The NT government says separating the single Power And Water Corporation into three companies has cost a fortune, but it has vowed not to hike utilities bills.

The former Northern Territory Country Liberals government was given a $5600 donation from a US coal seam gas company days before the August election.