Geronimo 062
Biography
Publications

Ms. Mariko Geronimo Aydin has twelve years of experience in addressing electricity industry issues and providing economic assessments in the context of strategic and resource planning, regulatory proceedings, and litigation. Her work has focused on investigating a variety of strategic, regulatory, and environmental issues related to long-term system and resource planning, wholesale market design and performance, and portfolio or project-level resource evaluation.

Specific work includes integrated resource planning to meet reliability, environmental, and cost-effectiveness goals; valuation of generation projects given market and regulatory uncertainties; estimation and evaluation of the benefits of transmission projects; evaluation of the effectiveness of RTO market rules and design to address stakeholder concerns and region-specific issues; and evaluation of the structure and process of deregulation and establishing competitive markets in various regions. Ms. Aydin has also worked extensively in the area of nuclear spent fuel storage, providing contract damages litigation support and evaluating U.S. spent fuel storage policy and fuel storage program design.

Presentation
Modeling the 1-Step and 2-Step Dispatch Approaches to Account for GHG Emissions from EIM Transfers to Serve CAISO Load
November 17, 2017
Published by The Brattle Group, Inc.
Article
Re-evaluating the Implied Cost of CO2 Avoided by Clean Energy Investments
October 2017
Published in The Electricity Journal, Volume 30, Issue 8, Pages 17-22
Article
Moving Forward with Electricity Tariff Reform
September 2017
Published in the CATO Institute's Fall 2017 Regulation Magazine
Presentation
Advancing Past “Baseload” to a Flexible Grid: How Grid Planners and Power Markets Are Better Defining System Needs to Achieve a Cost-Effective and Reliable Supply Mix
July 28, 2017
Presented to the Senate Energy & Natural Resources Committee
Report
June 26, 2017
Prepared for the Natural Resources Defense Council (NRDC)

The report examines why traditional “baseload” power plants, such as coal and nuclear, are becoming less economical, why their ability to produce power continuously is less essential in today’s supply mix, and why operational flexibility is an increasingly important ingredient for a cost-effective supply of electricity.

Article
Reforming Ontario’s Wholesale Electricity Market: The Costs and Benefits
June 2017
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
July 12, 2016
Prepared for the California Independent System Operator. Co-authored by members of The California Independent System Operator, Energy and Environmental Economics, Inc., Berkeley Economic Advising and Research, LLC, and Aspen Environmental Group.
Presentation
Electric Utility Integrated Resource Plan (IRP): Demand-Side Resources
July 16, 2014
Presented to the Thai Energy Regulatory Commission, OERC, and Utilities Delegation, Boston, MA
Presentation
Contrasting Competitively-Bid Transmission Investments in the U.S. and Abroad
May 13, 2014
Presented at a UBS Conference Call
Presentation
Competition in Transmission Planning and Development: Current Status and International Experience
January 31, 2014
Prepared for the EUCI's Tranmission Policy: A National Summit
Article
What Price, GHGs?
October 2012
Published in Public Utilities Fortnightly
Report
Centralized Dry Storage of Nuclear Fuel: Lessons for U.S. Policy from Industry Experience and Fukushima
August 2012
Frank C. Graves, Mariko Geronimo Aydin, and Glen A. Graves
Published by The Brattle Group, Inc.
Report
2010 Integrated Resource Plan for Connecticut
January 2010
Published by The Brattle Group, Inc.
Report
2009 Integrated Resource Plan for Connecticut
January 2009
Published by The Brattle Group, Inc.
Article
Promoting Use of Plug-In Electric Vehicles through Utility Industry Acquisition and Leasing of Batteries, chapter 13 of Plug-In Electric Vehicles: What Role for Washington?
2009
In Plug-In Electric Vehicles: What Role for Washington?, published by The Brookings Institution
Report
Review of PJM's Reliability Pricing Model (RPM)
June 30, 2008
Prepared for PJM Interconnection, L.L.C.