• Sustainable Energy & Technology

Research Coverage

  • Ballard Power Systems Inc. (BLDP)
  • Energy Recovery, Inc. (ERRI)
  • FuelCell Energy, Inc. (FCEL)
  • Montauk Renewables, Inc. (MNTK)
  • OPAL Fuels, Inc. (OPAL)
  • Plug Power Inc. (PLUG) 


Ryan Pfingst is a Research Analyst for the Sustainable Energy & Technology team with B. Riley Securities. He has over six years of experience in equity research with a focus on energy, including over four years in oil & gas and nearly two years in sustainable energy & technology.

Mr. Pfingst received his B.S. in Business Administration with a concentration in Finance from the University of Richmond, where he captained the Men's Ice Hockey Club.

B. Riley Securities provides a full suite of investment banking, corporate finance, advisory, research, and sales and trading services. Investment banking services include initial, secondary and follow-on offerings, institutional private placements, merger and acquisition (M&A) advisory, SPACs, corporate restructuring and recapitalization. B. Riley is nationally recognized and highly ranked for its proprietary small-cap equity research. B. Riley Securities formerly operated as B. Riley FBR following the merger of B. Riley & Co. and FBR & Co.