Oil and gas royalties could earn New Zealand $13 billion a year if exploration increases 50 percent on current levels, Prime Minister John Key says.
He's forecasting a bonanza in the face of opposition from Labour and the Greens who say land will be ruined and environmental protection measures must be strengthened before more wells are drilled.
"Each year about $400 million is earned in royalties and $300 million in company tax is collected," Mr Key said on Monday.
"That's just a small portion of the potential that the sector could deliver."
He says advice to ministers shows future royalty income from known oil and gas reserves could be $3.2b.
"That could rise to nearly $13b with a 50 percent increase in exploration," he said.
"The responsible and well-managed development of the country's oil, gas and mineral resources has the potential to create additional skilled jobs and contribute to increasing New Zealand's attractiveness as a place to live."
NZN