Since being passed at the end of the Labour administration in 2010, action has stalled due to legal challenges.
The delay was welcomed by the Internet Service Providers' Association (Ispa).
Under the Act, letters sent out to apparent illegal file-sharers would offer advice on how to prevent such illegal activity.
Serious repeat offenders risk facing measures that limit, or even cut off, internet connection.
ISPs have criticised aspects of the Act, suggesting it would unfairly force them to police user behaviour on the internet.
'Effective solution' "The fact it hasn't been implemented is a good thing," an Ispa spokesman said.
"We don't think it's a particularly good piece of legislation."However, he added that there were other measures being discussed which could see a clampdown on piracy.
"There's more than just the Digital Economy Act when it comes to tackling copyright infringement online," he said.
"Ispa continues to believe that the most effective solution to the problem of users accessing unlawful content is for reform of the licensing framework so that legal content can be distributed online in a way that consumers are demanding."
Last month, BT and TalkTalk lost a two-year legal bid to have the Act overturned. They argued it was incompatible with European law.
The repeated delays have led some industry observers to speculate that the Act's measures will never come into force.
"I think I might be waiting for a fairy to arrive and wave her magic wand over the House of Commons saying 'come to your senses, come to your senses'," wrote Trefor Davies, chief technology officer for service provider Timico.
"Maybe that's the point at which I wake up and find that I've been dreaming."