Renewable energy stocks might not be among the best performers in the recent past. However, there is no doubt that the sector will continue to grow beyond the current decade. For a long-term investor, this is the best time to consider exposure to undervalued renewable energy stocks.Talking about the industry potential, global renewable energy investment was $486 billion in 2022. The International Renewable Energy Agency believes that annual global investment should reach $1.3 trillion by 2030.Further, globa ...