Diana Liebmann’s legal advocacy and regulatory experience have helped clients to restructure the electric power markets in Texas, and to create the rules for the current ERCOT market - the most vibrant and competitive market in the country. Diana understands the risks inherent in certain transactions under constantly changing market rules and dynamics. She has represented clients in developing the current postage stamp transmission pricing mechanism in the Competitive Renewable Energy Zone proceedings to obtain access to markets for their generation in a $6 billion transmission build-out of the ERCOT market.
Diana’s broad transactional experience and in-depth focus on the details of wholesale and retail power regulation and market structure give her the ability to effectively guide clients with respect to compliance, and in investments and deployment of capital in electricity markets.
Diana leads the firm’s Power and Renewables practice, is a partner in the Capital Markets and Securities practice, manages the San Antonio office as its Administrative Partner and is a leader in her community.
Diana is valued as a leading energy lawyer by Chambers USA, and is described as a “utilities guru” with a “great understanding of the Public Utility Commission.” She has become the go-to lawyer for regulatory matters relating to the Public Utility Commission of Texas, the Electric Reliability Council of Texas, the Southwest Power Pool, the Federal Energy Regulatory Commission and in various other state commission, regional entity and North American Electric Reliability Corporation proceedings.
Diana has worked on regulatory matters, in rulemakings and contested cases, and completed transactional matters including:
- Proceedings to implement wholesale and retail restructuring at the State Office of Administration Hearings, the Public Utility Commission of Texas, at the Federal Energy Regulatory Commission and with the Electric Reliability Council of Texas
- Rulemakings regarding transmission access and pricing
- Wholesale and retail power purchase and sale agreements, retail electric provider agreements, qualified scheduling entity agreements, qualified facility agreements, contracts with third parties regarding professional services, and power plant construction agreements; including EPC agreements, and power plant project finance documents
- Certificate of convenience and necessity proceedings
- Rate case proceedings
- Proceedings at ERCOT and the PUCT regarding ERCOT governance, congestion management, ancillary services, settlement, transmission and distribution losses, reliability must run, resource adequacy and market monitoring
- Proceedings to establish rules for Competitive Renewable Energy Zones including related rulemakings and contested cases
- Competitive matters and confidentiality issues involving Open Records and Open Meetings laws
- Litigation involving the application of the antitrust laws to the ERCOT market
- Sale of electric power facilities and generating assets
- Regulatory investigation and complaint proceedings before the Public Utility Commission of Texas and Texas Regional Entity