Capstone Turbine

The two top performing companies in the EnergyBoom Clean 100 Index (E•B Clean 100) last week were Capstone Turbine Corporation (NASDAQ: CPST) (+21.2 percent) and FuelCell Energy, Inc. (NASDAQ: FCEL) (+18.8 percent).

Capstone and FuelCell each provides distributed (off-the-grid) power generation systems they claim are cleaner and more efficient than the most commonly used off-the-grid systems powered by diesel engines. 

EnergyBoom’s E•B Efficiency subindex had the best performance in November among Energyboom’s five sector indices and also beat all broad market indices for the month. The E•B Efficiency slipped 0.13 percent for the month, narrowly beating the best-performing broad market index, the S&P 500 Index (-0.23 percent).

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