BP has made its largest oil and natural gas discovery in 25 years off the coast of Brazil, it said Monday, in a potential big boost for the British company following its strategic shift away from renewable energy to refocus on fossil fuels.

BP has been under ongoing pressure from investors for underperforming compared to its rivals in recent years. In February, BP slashed its planned investments in renewable energy projects and said it would spend billions of dollars more a year on its oil and gas operations in a bid to improve investor confidence.

Britain's BP announced Monday it made its biggest oil and gas discovery in 25 years off the coast of Brazil, as it shifts back to its fossil fuel business.The discovery comes as a boost to the struggling energy major as it undergoes a major overhaul to focus on its more profitable oil and gas business,