More than 75% of new liquefied natural gas (LNG) global supply could be at risk because of quickly expanding renewable energy resources, according to an analysis by Wood Mackenzie.

In a forecast issued on Wednesday, the consultancy said its scenario for worldwide gas demand is going to come under pressure as power sector investments increase in renewables and energy storage. More gas consumption also would be sapped by efficiency improvements and as new technologies are adopted beyond the power sector. 

The scenario laid out by the Wood Mackenzie team is tied to greenhouse gas reduction goals set by the United Nations, which have been adopted by most developed nations. The basic goal is to keep global temperatures from rising above 2 degrees C to reduce the impacts from climate...