Skip to main content
Photo of Kelsey A. W. Horowitz

Kelsey Horowitz

Lead Researcher: Sustainable Technology Analysis

| 303-275-4347

Kelsey A. W. Horowitz is a member of the Distributed Systems and Storage Group in the Strategic Energy Analysis Center.

Areas of Expertise

Value proposition analysis and technology roadmapping
Grid integration of distributed energy resources
Techno-economic analysis
Clean energy technologies
Solar photovoltaic (PV) engineering and fundamentals
International issues in manufacturing

Research Interests

Technologies, processes, business approaches, and policies to drive clean energy technology cost reductions and cost-effective integration of renewable energy onto the grid

Techno-economic analysis of distributed energy resources, including novel interconnection solutions and control schemes


M.S., Electrical Engineering, California Institute of Technology, 2014
B.S./M.S., Electrical Engineering, University of Colorado, 2011

Featured Publications 

Kelsey Horowitz, Zac Peterson, Michael Coddington, Fei Ding, Ben Sigrin, Danish Saleem, Sara, E. Baldwin, Brian Lydic, Sky C. Stanfield, Nadav Enbar, Steven Coley, Aditya Sundararajan, and Chris Schroeder. 2019. An Overview of Distributed Energy Resource (DER) Interconnection:  Current Practices and Emerging Solutions Golden, CO: National Renewable Energy Laboratory.  NREL/TP-6A20-720102.

Horowitz, Kelsey, A.W., Timothy Remo, Brittany Smith, and Aaron Ptak. 2018. The A Techno-Economic Analysis and Cost Reduction Roadmap for III-V Solar Cells. Golden, CO: National Renewable Energy Laboratory. NREL/TP-6A20-72103.

Horowitz, Kelsey, A.W., Fei Ding, Barry Mather, and Bryan Palmintier. 2018. The Cost of Distributed System Upgrades to Accommodate Increasing Penetrations of Distributed Photovoltaic Systems on Real Feeders in the United States. Golden, CO: National Renewable Energy Laboratory. NREL/TP-6A20-70710.

Horowitz, Kelsey A.W., Bryan Palmintier, Barry Mather, and Paul Denholm. 2018. "Distribution system costs associated with the deployment of photovoltaic systems." Renewable and Sustainable Energy Reviews, 90 (July): 420-433.

Kelsey Horowitz, Timothy Remo, and Samantha Reese. 2017. A Manufacturing Cost and Supply Chain Analysis of SiC Power Electronics Applicable to Medium-Voltage Motor Drives. Golden, CO: National Renewable Energy Laboratory. NREL/TP-6A20-67694.

Horowitz, Kelsey A.W., Ran Fu, Xingshu Sun, Tim Silverman, Mike Woodhouse, and Muhammad Alam. 2017. An Analysis of the Cost and Performance of Photovoltaic Systems as a Function of Module Area. Golden, CO: National Renewable Energy Laboratory. NREL/TP-6A20-67006.

Sanjini U. Nanayakkara, Kelsey Horowitz, Anna Kanevcu, Michael Woodhouse, and Paul Basore. 2017. "Evaluating the economic viability of CdTe/CIS and CIGS/CIS tandem photovoltaic modules." Progress in Photovoltaics: Research and Applications. Online ISSN: 1099-159X.

Horowitz, Kelsey A.W., Ran Fu, and Michael Woodhouse. 2016. "An analysis of glass–glass CIGS manufacturing costs." Solar Energy Materials and Solar Cells, 154 (September): 1–10. 

Jones-Albertus, Rebecca, David Feldman, Ran Fu, Kelsey Horowitz, and Michael Woodhouse. 2016. "Technology advances needed for photovoltaics to achieve widespread grid price parity." Progress in Photovoltaics: Research and Applications. Hoboken, NJ: John Wiley & Sons, Ltd. 

Horowitz, Kelsey A.W. and Michael Woodhouse. 2015 "Cost and potential of monolithic CIGS photovoltaic modules." Presented at 2015 IEEE 42nd Photovoltaic Specialist Conference (PVSC), New Orleans, LA, June. NREL/CP-6A20-64360.

Horowitz, Kelsey A.W., M. Woodhouse, H. Lee, and G.P. Smestad. 2015."A bottom-up cost analysis of a high concentration PV module." Presented at 11th International Conference on Concentrator Photovoltaic Systems: CPV-11, Aix-les-Bains, France, April. AIP Conf. Proc. 1679 (100001). 

Powell, D.M., R. Fu, K. Horowitz, P.A. Basore, M. Woodhouse, and T. Buonassisi. 2015. "The capital intensity of photovoltaics manufacturing: barrier to scale and opportunity for innovation." Energy Environment Science, published online September. 

Philipps, S.P., A.W. Bett, K. Horowitz, and S. Kurtz. 2015. Current Status of Concentrator Photovoltaic (CPV) Technology. Golden, CO: National Renewable Energy Laboratory. NREL/TP-6A20-63196.

Horowitz, K., M. Woodhouse, H. Lee, and G. Smestad. 2015. A Bottom-Up Cost Analysis of a High Concentration PV Module (Presentation). Golden, CO: National Renewable Energy Laboratory. NREL/PR-6A20-63947.

View all NREL publications for Kelsey Horowitz


Distribution Grid Integration Unit Cost Database
NREL's Distribution Grid Integration Unit Cost Database contains unit cost information for different components that may be used to integrate distributed solar photovoltaics (PV) onto distribution systems. The database is focused on hardware and software costs, and contains more than 335 data points from a variety of utilities, PV developers, technology vendors, and published research reports.