Groove Armada, more for Freeze Festival 2011 line up
Everything Everything, The Joy Formidable among new acts
Groove Armada will take their 'Red Light' sound and visual show to the main stage on Friday night,
playing a host of huge hits.
The same night will see Radio One DJ Zane Lowe take to the decks at Battersea Power Station, while Beardyman will take over the main stage.
Previously confirmed acts include headliners The Streets, who will play one of their last ever gigs on the Saturday night.
Frontman Mike Skinner confirmed earlier in the year that they would be disbanding.
They will be supported by Everything Everything and The Joy Formidable.
The festival, which is in its fourth year, will also see the world's top skiers and snowboarders competing on a specially erected 32m high slope.
A Europe vs America competition is to be held in addition to the Battle of Britain, which will see the best British snowboarders go head to head.
Tickets for the event, to be held on October 28-29, cost £60 for both days or £37 for one day.
A weekend ticket for 8-15 year olds will cost £28, while a day ticket is £17.
Children under seven years go free.
Click here to buy Freeze Festival tickets.