Skip to Main Content

Dr. Graf is a senior associate at The Brattle Group with experience in electricity wholesale market design and long-term load forecasting for electric utilities. Dr. Graf’s work focuses on addressing economic questions facing regulators and market participants in the electricity industry.

Publications
Presentation
Offshore Wind Transmission: An Analysis of Options for New York (LCV Virtual Policy Forum Presentation)
August 6, 2020
Presented at LCV Virtual Policy Forum

These slides were presented at the LCV Virtual Policy Forum “Offshore Wind Transmission to Reach New York’s Clean Energy Goals.”

Presentation
Considerations for Meeting Sub-Annual Needs, and Resource Accreditation across RTOs
July 8, 2020
Prepared for MISO RASC
Report
Offshore Transmission in New England: The Benefits of a Better-Planned Grid
May 2020
Prepared for Anbaric

This report on offshore wind transmission details onshore electric grid cost savings of over $1 billion and significantly reduced environmental impacts in adopting a multi-user, planned transmission system to harness wind power off New England’s coast. 

Presentation
Industry Changes in Resource Adequacy Requirements, Metrics, and Design Elements
May 6 and May 20, 2020
Presented to MISO Resource Adequacy Subcommittee
Report
How States, Cities, and Customers Can Harness Competitive Markets to Meet Ambitious Carbon Goals: Through a Forward Market for Clean Energy Attributes: Expanded Report Including a Detailed Market Design Proposal
September 2019
Prepared for NRG

This white paper provides a framework for a clean energy market to meet carbon reduction goals, and has been submitted to the U.S. House Energy & Commerce Committee in response to questions posed by the Committee.

Report
How States, Cities, and Customers Can Harness Competitive Markets to Meet Ambitious Carbon Goals: Through a Forward Market for Clean Energy Attributes
April 2019
Prepared for NRG
Presentation
Do Load Shapes of PV Customers Differ From Other Customers?
June 28, 2018
Presented at the Center for Research in Regulated Industries (CRRI) 31st Annual Western Conference
Article
Do Load Shapes of PV Customers Differ? Implications for Rate Design
February 2018
Published in Public Utilities Fortnightly Magazine
Presentation
Effect of DG Installation on Customer Load Shapes
June 23, 2017
Presented to Westar Energy
Article
Reforming Ontario's Wholesale Electricity Market: The Costs and Benefits
June 2017
Johannes P. Pfeifenberger, Kathleen Spees, Judy Chang, Walter Graf, and Mariko Geronimo Aydin
Published in Energy Regulation Quarterly, Volume 5, Issue 2

This article provides a review of a recent report authored by Brattle economists examining the net benefit that Ontario could realize through implementation of a locational energy market, improving the system’s operating flexibility, and the introduction of an incremental capacity auction for maintaining resource adequacy.

Report
The Future of Ontario's Electricity Market: A Benefits Case Assessment of the Market Renewal Project
April 20, 2017
Johannes P. Pfeifenberger, Kathleen Spees, Judy Chang, Mariko Geronimo Aydin, Walter Graf, Peter Cahill, James Mashal, and John Imon Pedtke
Prepared for IESO
Report
Market Power Mitigation Mechanisms for the Wholesale Electricity Market in Western Australia
November 01, 2016
Samuel A. Newell, Toby Brown, Walter Graf, James D. Reitzes, Henna Trewn, and Kai Van Horn
Prepared for the Public Utilities Office of the Government of Western Australia's Department of Finance

The report evaluates mechanisms for mitigating market power in the reformed wholesale energy market scheduled for July 2017 implementation in Western Australia’s South West Interconnect System.

News & Events
August 06, 2020
Planned Offshore Wind Transmission System for New York Could Provide Cost Savings of Over $500 Million, According to Study by Brattle Economists

A new report on offshore wind transmission by Brattle economists finds estimated electric grid cost savings of over $500 million and significantly reduced environmental impacts and project risks in developing a multi-user, planned transmission system for offshore wind in New York.

May 14, 2020
Johannes Pfeifenberger and Walter Graf Participate in Webinar Discussing a New Era of Offshore Wind

Brattle Principal Johannes Pfeifenberger and Associate Walter Graf recently joined a webinar moderated by Anbaric to discuss a new era of offshore wind.

September 16, 2019
Framework Developed by Brattle Economists on Forward Clean Energy Market Presented to U.S. Congress

A recent white paper, authored by Brattle economists and prepared for NRG, that provides a framework for a clean energy market to meet carbon reduction goals has been submitted to the U.S. House Energy & Commerce Committee in response to questions posed by the Committee.

June 20, 2017
Brattle Economists Contribute Two Articles to Energy Regulation Quarterly

Brattle economists have contributed two articles to the current issue of Energy Regulation Quarterly, a journal that provides a forum for debate and discussion on issues surrounding the regulated energy industries in Canada.

April 26, 2017
Ontario Market Renewal Effort Could Provide Up to CAD $5.2 Billion in Customer and Supplier Benefits, According to Brattle Economists

Brattle economists have authored a report that concludes the Independent Electricity System Operator’s (IESO) proposed Market Renewal efforts to reform the province’s wholesale electricity markets could provide significant benefits to customers and suppliers in Ontario.

November 01, 2016
Report by Brattle Economists Reviews Market Power Mitigation Mechanisms for Wholesale Electricity Market in Western Australia

A report authored by Brattle economists evaluates mechanisms for mitigating market power in the reformed wholesale energy market scheduled for July 2017 implementation in Western Australia’s South West Interconnect System.