The private sector invested $45 billion in wind and solar projects last year. : Renewable energy is one of the most attractive investment options for American companies today. Just ask Starbucks, which recently contracted for enough wind and solar power to supply 3,000 of its coffee shops with clean electricity. American businesses and global investors are increasingly turning to a low-carbon portfolio—a fact reflected in our new survey of the nation’s leading financial institutions, which found high near-term confidence for renewable energy growth over the next three years and a strong appetite for energy storage.