The Northern Tasmania Development Corporation, comprising seven councils, has worked collaboratively to whittle down a list of projects to five priorities they say have the potential to pump at least $50 million into the region's economy over 10 years.

Those priorities include the FermenTasmania Centre, Launceston Translink Gateway Precinct, and Westbury Bioenergy Plant, along with a hydrogen energy hub at Bell Bay and a plan to boost the working age population.

Speaking at an event with representatives of all councils on Friday, NTDC chair John Pitt said some of the export-focused projects had already seen support from one of the major parties, though they are both being urged to support all.

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Each of the projects aim to leverage government investment to attract further interest from the private sector. Each has also received funding commitments from the council's themselves.

"It's all about exports," Mr Pitt said. "If we deliver more exports than we can grow our economy and gradually become more prosperous as a consequence."

"So [the councils] have got skin in the game. It's not just government subsidising individual projects. It's government filling a market gap to leverage additional investment.

"What you often see in the regions are individual councils competing for the same project. What we've been able to do with the support our members is to adopt a best for region approach."

At present, the level of commitment from both of the major parties was "less than optimal," Mr Pitt said. "We continue to encourage each party to commit to the funding requests for each of the projects so we have a true bipartisan approach from the federal government."

"We're all agreed in the region that these are the projects to be funded, so why should there be any argument from the federal government as to whether it's that project or this project or some other project that's not a priority."

West Tamar council mayor Christina Holmdahl agreed, saying unity among the councils was a better option than competing for funding and would deliver better outcomes for the region as a whole.

"From a council perspective, we know that being united on certain issues bring better results than each of the councils standing on their own," Cr Holmdahl said. "In the past, we've certainly had projects that are specifically targeted for our municipality and we've individually worked with all the parties at election time."

"All of the members of the main parties are very aware because we've been discussing these issues with them for some time now in the lead up to the announcement of the election.

"The purpose of today is to show that unity, that as a region we can really make a huge contribution to the GDP in Tasmania."

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