The 10 Best Utility Stocks to Buy for 2019 NextEra Energy. National Grid. PPL Corp. Eversource Energy. Fortis. Aqua America. Black Hills. Enbridge. Berkshire Hathaway. Brookfield Asset Management. Utilities Sector Dividend Stocks. Utilities companies offer electric, gas and water utilities for individuals and businesses. Utilities are some of the most heavily regulated companies and operate in specific regional markets. These firms are generally long-established, stable entities with little opportunity for growth and, as a result, Utilities tend to have similar convexity profiles in that utility stocks trade higher when interest rates go lower, and lower when interest rates go higher. The spread between utility dividend yields and the yield from a basket of long-dated investment-grade debt is fairly small.