Jenny Speck

Partner

Tax

“Jenny has the unique qualities of being a subject matter expert while also providing wise counsel beyond her substantive tax skills. She is a great listener, reflective, diligent, and always accountable.”

Jennifer Speck on Vinson & Elkins Houston

Overview

Jenny Speck advises clients on the qualification for and the monetization of energy transition tax incentives. She has worked on a range of energy transition projects, including onshore and offshore wind, solar, combined heat and power, biogas property, carbon capture, hydrogen and clean fuel credit projects.

Read More

Experience

  • Energy Vault, a global leader in grid-scale energy storage solutions, in the $300 million preferred equity investment by OIC L.P. in Energy Vault’s subsidiary Asset Vault

  • Crimson Renewable Energy Holdings in the sale of Section 45Z tax credits

  • Green Plains Renewable Energy in the sale of 45Z tax credits from a portfolio of ethanol plants to Freepoint Commodities

  • Talen Energy Corporation (NASDAQ: TLN) on its 1,920 MW power purchase agreement and associated arrangements with Amazon Web Services to provide carbon-free energy from Talen’s Susquehanna nuclear power plant to support AMZN’s announced $20 plus billion dollar data center build out in Pennsylvania

  • Energy Vault in a ~$28 million loan and subsequent note purchase to finance the Calistoga Resiliency Center project, the largest utility-scale, ultra-long duration energy storage facility in the world with innovative hybrid green hydrogen and lithium-ion battery energy storage that works in conjunction with fuel cells to provide instantaneous, stable power supply to Calistoga, California, including the sale of the project’s investment tax credits

  • Vistra in the separate sales of $240 million of 45U nuclear power production credits

  • Midstream infrastructure company in all aspects of tax qualification, utilization, and reporting compliance for federal income energy tax credits and sustainability incentives; served as sole liaison with the Department of Energy and led the preparation of internal and external educational materials for various federal loan and grant programs related to carbon capture, transportation and sequestration; and drafted and submitted comment letters to the US Treasury and the IRS for federal income energy tax credits

  • Private equity firm in advice on existing portfolio, including qualification for the investment tax credit and production tax credit, and tax equity considerations; advised on federal income tax credit considerations for future carbon capture and sequestration projects and hydrogen projects

  • Multinational energy company in advice on beginning of construction strategy and program of construction strategy for offshore wind farm projects to qualify for the investment tax credit, including reviewing EPC agreements, discussing eligible components, analyzing the single project rules under the investment tax credit and drafting comment letter and meetings with the IRS on eligible components of a qualified facility as it relates to offshore wind compared to onshore wind

  • Various buyers in separate tax credit transfer transactions collectively valued at over $500 million

  • Various sponsors and developers in domestic content, low income community, and energy community qualification analysis

  • Various clients in the negotiation of project agreements in respect of qualification for and monetization of Inflation Reduction Act tax credits

  • Developers and trade associations in preparation of comments to Treasury and other stakeholder comments relating to various Inflation Reduction Act matters

  • A green hydrogen project developer in tax credit advice and representation in connection with its qualification for and monetization of IRA hydrogen project tax credits

  • Various clients in negotiation of tax insurance policies covering tax risks relating to the Inflation Reduction Act

  • Multinational energy company in advice on existing projects and future projects regarding its continuous efforts strategy, including drafting tax opinions, reviewing EPC for compliance with the investment tax credit and negotiating with the EPC and subcontractors to ensure agreements complied with the investment tax credit requirements

  • Multinational energy company in advice on offshore wind project beginning of construction strategy and continuous efforts strategy, including drafting tax opinions, reviewing EPC for compliance with the investment tax credit and negotiating with the EPC and subcontractors to ensure agreements complied with the investment tax credit requirements

  • Privately held multinational conglomerate in advice on 45Q credit for carbon sequestration projects where the client had previously claimed the credit, which was under review by the IRS; assisted with tax planning strategies for future carbon capture and utilization projects and carbon capture and sequestration projects, including whether additional capital expenditures incurred would be eligible for a new credit period under Section 45Q

  • Multinational e-commerce company in advice on eligibility to claim an investment tax credit on hydrogen fuel cell operated forklift and the associated hydrogen fueling infrastructure; advised client on electric vehicle tax credit and associated alternative fuel recharging stations for its logistic trucks

  • Family office in advice on investment to build and operate a business in a Qualified Opportunity Zone

  • Waste disposal company in advice on potential tax credit qualification for clean electric commercial vehicles; advised on eligibility for the 45Q tax credit on the capture and use of CO2 from landfills

  • Privately held energy exploration and production company in the calculation of R&D tax credit and Enhanced Oil Recovery tax credit; advised on potential carbon capture and sequestration project, including considerations for the conversion from a Class II to a Class VI well for such project

  • Global chemical company in advice on carbon capture and utilization project, including the preparation of a life cycle assessment and 80/20 analysis to treat existing equipment as originally placed in service equipment

  • Multinational industrial gas company in advice on carbon capture and utilization project, including the preparation of a life cycle assessment and 80/20 analysis to treat existing equipment as originally placed in service equipment

  • Multinational renewable power production company in assistance with offshore wind project, including ITC eligibility, such as beginning of construction strategy and drafting tax opinion on its beginning of construction strategy

  • Semiconductor manufacturing company in tax controversy services, including responding to Information Document Request on client’s research and development tax credit claim

Credentials

Education

  • University of Tulsa College of Law, J.D., 2012
  • Northeastern State University, B.F.A., 2010

Admissions

  • Texas

Expand All

Recognitions

  • Legal 500 U.S., Tax: U.S. Taxes: Non-Contentious, 2024–2026
  • Selected to the 500 Global Tax Lawyers, Lawdragon, 2025 and 2026
  • Selected to the 500 Leading Energy Lawyers, Lawdragon, 2024–2026
  • Bloomberg Law, They’ve Got Next: The 40 Under 40, 2026
  • The American Lawyer/Corporate Counsel’s Women, Influence & Power in Law Awards, Next Generation of Leaders (Law Firm), 2026
  • Houston Business Journal, Women Who Mean Business, 2024
  • Houston Business Journal, 40 Under 40, 2024
  • Selected to the Lawdragon 500 X – The Next Generation, Tax, especially Energy, 2024
Insights

Events

Jenny Speck to Present on Section 48E PWA Compliance

Partner Jenny Speck will join a panel co-hosted by CohnReznick to discuss how renewable energy stakeholders are approaching Section 48E …

August 18, 2026

August 18, 2026 • 1-minute read

Client Alerts

Storing Up Certainty: IRS Expands the 45Q Safe Harbor

On August 14, 2026, the Internal Revenue Service (“IRS”) issued its Notice 2026-50 (the “2026 45Q SH Notice”), which expands …

August 17, 2026

August 17, 2026 • 3-minute read

Client Alerts

5% Safe Harbor Resurrected for Wind and Solar (At Least for Now)

On Saturday, June 6, 2026, the U.S. District Court for the District of Columbia (the “District Court”) vacated Internal Revenue …

June 8, 2026

June 8, 2026 • 2-minute read

Event Recaps

Capturing 45Q Tax Credits in Today’s Regulatory Landscape

On May 21, Jenny Speck and Hoo Ray provided a current state of play update on qualifying for, claiming, and monetizing Section 45Q carbon capture tax credits.

May 21, 2026

May 21, 2026 • 1-minute read

Energy Series Background Decorative Image

Articles

Applying the Single Energy Project Framework to Prevailing Wage and Apprenticeship Requirements Under the Technology Neutral ITC

The Inflation Reduction Act of 2022 introduced the Clean Electricity Investment Tax Credit under section 48E of the Code[1] (the …

May 15, 2026

May 15, 2026 • 5-minute read

News & Achievements