Marius Griskonis

Partner, New York


“He is an excellent attorney, a great negotiator and strong communicator. He is aware of current terms in the market and he quickly dissects business problems to get to the core issues,” according to a client.
Chambers USA 2018


Marius advises domestic and international clients on major corporate and financing transactions. His practice has a particular focus on project and asset-based financing, enabling the successful development, funding and completion of large scale projects and deals.

He has represented sponsors, underwriters, commercial banks, investment banks, export credit agencies and other multilateral agencies in major projects across an array of sectors, including the power generation and transmission, renewable energy, alternative fuel, oil and gas, petrochemical, infrastructure and telecommunications industries.

Marius' varied sector knowledge is matched by the international breadth of his practice background and experience. Educated in the US and Lithuania, he is fluent in English, Russian and Lithuanian, and has supported projects located across North and South America, Europe and Asia.

Marius' successful track record and extensive knowledge of his field has made him a valued asset for clients seeking clarity in complex transactions, where intricate regulatory issues and tax and accounting rules require careful consideration.

He is a partner in the Energy, Infrastructure, Project and Asset Finance Group, a global team dedicated to providing strategic and practical advice across multiple jurisdictions on the development, financing and restructuring of major projects.

Prior to joining White & Case, Marius gained valuable, hands-on industry experience by working as both General Counsel and Legal Counsel in various Baltic subsidiaries of Swedbank's investment banking and commercial banking operations.

Bars and Courts
New York State Bar
University of Iowa College of Law

Edmund S. Muskie Fellowship (under authority of Fulbright Hays Act)

University of Vilnius

Diploma of Qualified Lawyer, Faculty of Law



Duke Portfolio Acquisition, 2014
Representation of Dynegy Inc. in its US$2.8 billion acquisition of ownership interests in certain Midwest generation assets from Duke Energy Corp. The sale, which included 11 Duke natural gas, coal and oil power plants in Ohio, Pennsylvania and Illinois, as well as its retail sales business, was part of a US$6.25 billion acquisition of power plants from Duke Energy Corp and private equity firm Energy Capital Partners.

Calpine Southeast Portfolio Sale, 2014
Representation of Calpine Corporation in its US$1.57 billion sale of six power plants located in Oklahoma, Louisiana, Alabama, Florida and South Carolina, comprising 3,498 MW of combined-cycle generation capacity, to NatGen Southeast Power LLC, a subsidiary of LS Power Equity Partners III.

Freeport Power (p/k/a Oyster Creek) project, 2014
Representation of SMBC, MUFG and Mizuho Bank, as mandated lead arrangers and lenders in the refinancing of a 440 MW rated gas-fired combined cycle power plant, located inside The Dow Chemical Company's Oyster Creek chemical complex in Freeport, Texas.

Guam Solar project, 2013
Representation of Mizuho Bank, Ltd., as arranger in the financing of the Guam Solar project, a 25.65 MWac photovoltaic solar power project in the United States Territory of Guam.

Sandy Creek Refinancing, 2013
Representation of Sandy Creek Energy Associates, L.P. as borrower in the US$1.2 billion refinancing of an undivided interest in an approximately 950 MW coal-fired power generation facility located in Riesel, Texas, which is known as the Sandy Creek Energy Station.

Panda Temple II project, 2013
Representation of Goldman Sachs and Credit Suisse as mandated lead arrangers in the financing of the Panda Temple II project, a 758 MW natural gas-fired power project being developed in Temple, Texas.

Windsor Financing, 2012
Representation of Morgan Stanley Senior Funding, Inc. as sole lead arranger in the refinancing of a 110 MW coal-fired cogeneration facility in Rocky Mount, North Carolina and two 110 MW coal-fired cogeneration facilities in Richmond, Virginia.

Panda Sherman project, 2012
Representation of Goldman Sachs Lending Partners and Credit Suisse Securities as mandated lead arrangers in the financing of a 758 MW natural gas-fired power project being developed in Sherman, Texas.

Panda Temple I project, 2012
Representation of Morgan Stanley as lead arranger in the financing of a 758 MW natural gas-fired power project being developed in Temple, Texas.

Bishop Hill I project, 2011
Representation of a consortium of lenders in the project financing of a 211 MW wind farm in Illinois.

Great Basin Transmission South, 2011
Representation of Great Basin Transmission South, LLC, a subsidiary of LS Power, in the One Nevada Transmission Line project, which involved the development of a new 235-mile, 500-kilovolt transmission line extending from northern Nevada to an area outside of Las Vegas in southern Nevada.

Russell City project, 2011
Representation of Russell City Energy Company, LLC in the US$845 million project financing of an approximately 620 MW natural gas-fired, combined-cycle power generation facility in Hayward, California.

STP 3&4 project, 2008–2011
Representation of Nuclear Innovation North America, a joint venture between NRG and Toshiba, as sponsor in the project financing of a 2,700 MW nuclear power plant in Texas.

Steamboat project, 2009
Representation of Calpine Corporation and its wholly owned subsidiary, Calpine Steamboat Holdings, LLC, in the US$498 million financing of the 375 MW Mankato natural gas-fired, combined-cycle power plant in Minnesota and the 241 MW Freeport Energy Center natural gas-fired, cogeneration facility in Texas.

Speaking Engagements

"Understanding and Negotiating Financial Covenants", July 23, 2014: Practical Law webinar

Awards and Recognition

Recommended Lawyer, The Legal 500 2014
Project Finance – USA