JO

John O. Shirley, Energy Attorney in Baton Rouge, Louisiana

focused on Energy and Government

Baton Rouge, LA

Trusted energy attorney serving Baton Rouge.

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Quick answer

John O. Shirley is an attorney based in Baton Rouge, LOUISIANA. The practice focuses on Energy and Government.

Based in
Baton Rouge, LOUISIANA
Experience
attorney
Known for
Energy · Government
  • Handles Energy and Government matters from Baton Rouge, LOUISIANA.
  • Recognized with Lawyer of the Year — Energy Law (Baton Rouge) (2017).

About John O. Shirley: John O. Shirley is an attorney based in Baton Rouge, LOUISIANA. The practice focuses on Energy and Government.

Areas of practice

Practice areas handled by John O. Shirley

John concentrates on energy and government. Each area below outlines the kind of case John handles, typical outcomes to expect, and how the intake process starts.

Energy cases in Baton Rouge, Louisiana

John takes energy matters in Baton Rouge, Louisiana. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before John agrees to represent you.

Government cases in Baton Rouge, Louisiana

John takes government matters in Baton Rouge, Louisiana. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before John agrees to represent you.

Biography

About John O. Shirley — Attorney of Louisiana energy experience

John O. Shirley is an attorney based in Baton Rouge, LOUISIANA. The practice focuses on Energy and Government.

John Shirley practices in the area of business law, having represented public utilities before the Louisiana Public Service Commission for over twenty years. His practice consists of representing electric, gas, water and sewer utilities, motor carriers, telecommunications companies, and wind and other renewable energy companies before the Louisiana Public Service Commission. He also consults and lobbies elected public service commissioners, the Louisiana Bond Commission, executive staff and the Louisiana legislature on behalf of his clients.

Prior to joining the firm, he was the founding partner of Shirley, Ezell, Guarisco & Marionneaux, LLC.

How John handles energy matters

John Shirley practices in the area of business law, having represented public utilities before the Louisiana Public Service Commission for over twenty years. His practice consists of representing electric, gas, water and sewer utilities, motor carriers, telecommunications companies, and wind and other renewable energy companies before the Louisiana Public Service Commission. He also consults and…

The kind of cases John takes

John reviews new inquiries case-by-case for energy and government matters in Baton Rouge and the surrounding Louisiana area.

Credentials

John O. Shirley's legal education and bar admissions

  • Louisiana State University

    J.D. · 1986

  • Southeastern Louisiana University

    BS · 1976

Jurisdictions

John's state bar admissions

  • Louisiana, Louisiana

    ACTIVE

John studied at J.D. in Louisiana State University and BS in Southeastern Louisiana University.

Law school and academic background

John completed J.D. in Louisiana State University and BS in Southeastern Louisiana University. Formal legal training is one signal of substantive knowledge — the day-to-day practice John runs in Louisiana is where that training gets applied to real client questions.

Recognition

Awards, publications, and recognition of John O. Shirley

John has received 9 formal recognitions from bar associations, industry bodies, and peer-review services.

  • Lawyer of the Year — Energy Law (Baton Rouge)

    2017

  • Lawyer of the Year — Government Relations Practice (Baton Rouge)

    2014

  • Best Lawyers in America — Energy Law

    2026

  • Best Lawyers in America — Government Relations Practice

    2026

  • Best Lawyers in America — Special Focus:

    2026

  • Best Lawyers in America — Public Utility

    2026

  • Best Lawyers in America — Awards:

    2026

  • Best Lawyers in America — Chambers USA: America's Leading Lawyers for Business

    2026

  • Best Lawyers in America — The Best Lawyers in America

    2026

Legal awards and honors

Lawyer of the Year — Energy Law (Baton Rouge) (2017). Lawyer of the Year — Government Relations Practice (Baton Rouge) (2014). Best Lawyers in America — Energy Law (2026). Best Lawyers in America — Government Relations Practice (2026). Best Lawyers in America — Special Focus: (2026). Best Lawyers in America — Public Utility (2026).

Locations

John O. Shirley's office in Baton Rouge

John's primary office is at 400 Convention Street, Baton Rouge, Louisiana, 70802-5618. In-person meetings are by appointment; a phone intake usually comes first.

Main office

400 Convention Street

Baton Rouge, Louisiana 70802-5618

Open in Google Maps

Client feedback

Client reviews of John O. Shirley

John has not yet collected verified client reviews on LawyersListed. Reviews here are all from confirmed clients; anonymous ratings are moderated out.

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Hiring guide

How to hire John O. Shirley — what to expect in your first consultation

Working with a new energy attorney should feel structured. Here's how the first two conversations with John usually go, from the moment you request a consult to the day representation begins.

Consultation formats and pricing

John charges for the initial consult. That fee is credited toward representation if you retain John's office.

What to bring to your first meeting

Bring any documents you already have — police reports, medical records, filed pleadings, correspondence from an insurer, a copy of the contract at issue. If you're not sure, err on the side of bringing everything; John will tell you what matters and what doesn't.

Questions to ask a energy attorney in Baton Rouge, Louisiana

A short list to run through before you commit: How many energy matters have you handled in the last year? What's your fee structure? Who else in the office will work on this? What's your realistic estimate of timeline and range of outcomes? How do I reach you between meetings?

Fees & payment

Fees, payment methods, and consultation options for John

John discusses fees during intake so the arrangement fits the matter. Contingency, hourly, and flat-fee options are all common in energy practice — ask which fits.

Hourly rates, contingency fees, and flat-fee options

Every energy matter is priced differently. Simple document review might be a flat fee. Injury litigation is often contingency. Complex commercial disputes usually run hourly with a retainer. John confirms the model in the engagement letter before any work starts.

Payment methods and payment plans

John's office accepts standard payment methods. Ask about payment plans if the retainer is a stretch — many energy practices work with clients on structured schedules.

Frequently asked

Frequently asked questions about John O. Shirley

  • How much does it cost to hire John for a energy case?

    Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. John walks through the likely range during the consult so there are no surprises.

  • Does John offer a free consultation?

    John charges for the initial consult; that fee is credited toward representation if you retain John's office. Some energy attorneys offer free consults — check John's current terms during booking.

  • How long do energy cases in Louisiana typically take?

    Simple energy matters can wrap in a few weeks; disputed cases can run 6–18 months from intake to resolution, longer if the matter goes to trial. John gives a realistic estimate for your facts at the consult — vague answers here are a red flag.

  • Can John take my case if I'm outside Baton Rouge?

    John is licensed in Louisiana. Matters governed by Louisiana law are the natural fit. Out-of-state matters are handled case-by-case, sometimes with local co-counsel. Ask during intake — John will tell you if the case is a fit or refer you to someone closer to your court.

  • What should I bring to my first meeting with John?

    Bring every document that touches the dispute: contracts, correspondence, police or medical reports, filed pleadings, invoices, photographs, insurance letters. Also bring a written timeline of what happened, in your own words. John will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.

  • Is John accepting new energy clients right now?

    John's intake status shifts week to week. Submit the form; the office will confirm availability or refer the matter out.

Areas served

Energy attorneys serving Baton Rouge, New Orleans and Metairie in Louisiana

John handles energy matters throughout Louisiana. Each city below is a direct link into the search page for verified energy attorneys in that community.

More counsel

If John's intake is full or the fit isn't right, these energy attorneys in Baton Rouge handle similar matters. Every profile below is verified and open to consultations.