Greenbriar ordered to finalize Puerto Rico energy deal

Greenbriar Sustainable Living Inc. reports that the Puerto Rico Energy Bureau has ordered the company and PREPA to complete contract negotiations within seven days.

Rhea-AI Filing Summary

Greenbriar Sustainable Living Inc. reports that the Puerto Rico Energy Bureau has ordered the company and PREPA to complete contract negotiations within seven days. The talks cover a 40 MW battery storage project using 4-hour and 6-hour systems, with Greenbriar’s quoted fees of $24,000 and $33,000 per MW per month respectively. This potential storage deal is in addition to an 80 MW AC solar contract with settlement pricing of 11.3 per kWh on a weighted-average basis, highlighting Greenbriar’s growing renewable energy footprint in Puerto Rico.

Insights

Renewable energy project analyst

Regulator-imposed timeline advances Greenbriar’s Puerto Rico projects but economics remain to be finalized.

The order from the Puerto Rico Energy Bureau compels Greenbriar and PREPA to finish negotiations on a 40 MW battery storage project within seven days. The filing lists fee levels of $24,000 and $33,000 per MW per month for 4-hour and 6-hour systems.

This storage negotiation comes on top of an 80 MW AC solar contract with settlement pricing of 11.3 per kWh, suggesting a multi-asset presence in the market. Actual financial impact will depend on final contract terms, approvals, and project execution once any agreement is submitted to the Energy Bureau.

Key Figures

Battery storage capacity: 40 MW 4-hour storage fee: $24,000 per MW per month 6-hour storage fee: $33,000 per MW per month +3 more

6 metrics

Battery storage capacity 40 MW Capacity of battery storage system under negotiation with PREPA

4-hour storage fee $24,000 per MW per month Quoted fee for 4-hour battery storage system

6-hour storage fee $33,000 per MW per month Quoted fee for 6-hour battery storage system

Solar contract capacity 80 MW AC Capacity of separate solar contract referenced

Solar settlement price 11.3 per kWh Weighted-average settlement pricing for 80 MW AC solar contract

Negotiation deadline 7 days PREB-ordered period to complete negotiations from the order date

Key Terms

Puerto Rico Energy Bureau, PREPA, battery storage system, TSX Venture Exchange, +1 more

5 terms

Puerto Rico Energy Bureau regulatory

"the Puerto Rico Energy Bureau (PREB) (the government energy regulator) has ordered PREPA and Greenbriar"

PREPA regulatory

"has ordered PREPA and Greenbriar to complete negotiations within the next seven (7) days"

battery storage system technical

"a 40 MW 4-hour and 6-hour battery storage system with GRB pricing"

A battery storage system is a setup that captures and holds electricity in large batteries and releases it when needed, using controllers and converters to manage charging and discharging. For investors, it matters because these systems let power producers and grid operators smooth out variable electricity supply, store cheap power to sell at peak prices, and provide backup reliability—similar to a rechargeable reservoir or bank account for energy that can create new revenue and reduce operational risk.

TSX Venture Exchange regulatory

"Neither the TSX Venture Exchange nor its Regulation Service Provider accepts responsibility"

A junior stock exchange in Canada where smaller, early-stage companies list shares to raise capital and gain public visibility. Think of it as a farmers’ market for young businesses: it offers investors a chance to buy into fast-growing but higher-risk ventures, with looser listing rules and typically lower liquidity than major exchanges. It matters because performance and financing on this exchange can signal growth prospects or risk for investors.

forward-looking statements regulatory

"This news release may contain "forward-looking information" and "forward-looking statements" within the meaning"

Forward-looking statements are predictions or plans that companies share about what they expect to happen in the future, like estimating sales or profits. They matter because they help investors understand a company's outlook, but since they are based on guesses and assumptions, they can sometimes be wrong.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did the Puerto Rico Energy Bureau order Greenbriar Sustainable Living Inc. (GEBRF) to do?

The Puerto Rico Energy Bureau ordered Greenbriar and PREPA to complete contract negotiations within seven days. If they reach agreement, they must jointly notify the regulator and submit the proposed contracts for review and determination within the same seven-day period.

What battery storage project is Greenbriar (GEBRF) negotiating with PREPA?

Greenbriar is negotiating a 40 MW battery storage system with PREPA. The project includes 4-hour and 6-hour storage configurations, with Greenbriar’s stated fees of $24,000 and $33,000 per MW per month, respectively, subject to final contract and regulatory approval.

How is the 40 MW battery storage pricing structured for Greenbriar (GEBRF)?

Greenbriar’s pricing is quoted per MW per month for different storage durations. The company cites fees of $24,000 per MW per month for 4-hour storage and $33,000 per MW per month for 6-hour storage, pending completion of negotiations and approval.

What is Greenbriar’s existing solar contract mentioned in the 6-K filing?

Greenbriar references an 80 MW AC solar contract with settlement pricing of 11.3 per kWh. This solar agreement is described as separate from, and in addition to, the 40 MW battery storage negotiations in Puerto Rico.

Does the PREB order mention potential penalties for non-compliance by PREPA or Greenbriar (GEBRF)?

The Energy Bureau specifically warns PREPA about possible fines for non-compliance. It cites Art. 6.36 of Act 57-2014k, stating that failure to comply with the Resolution and Order may lead to the imposition of fines on PREPA.

What sectors does Greenbriar Sustainable Living Inc. (GEBRF) operate in?

Greenbriar operates in sustainable real estate and renewable energy development. The company focuses on long-term, high-impact projects and states that it targets deep-value assets intended to support accretive shareholder value, led by an experienced development team.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 06/15/2026 - 12:22 PM EDT Learn about SEC filing dates

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16
UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of June 2026

Commission File No. 000-56391

Greenbriar Sustainable Living Inc.
(Translation of registrant's name into English)

632 Foster Avenue
Coquitlam, British Columbia, Canada V3J 2L7

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F

Form 20-F ☑ Form 40-F ☐

SUBMITTED HEREWITH

Exhibits

Exhibit		Description
99.1		News Release dated June 13, 2026

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Greenbriar Sustainable Living Inc.

/s/ Jeff Ciachurski
______________________________________
Jeff Ciachurski
Chief Executive Officer

Date: June 13, 2026

Greenbriar Sustainable Living Inc.
Greenbriar Capital Holdco Inc. 
Greenbriar Capital (US) LLC 632 Foster Avenue, Coquitlam, British Columbia, Canada V3J 2L7
Phone: 949.903.5906    Fax: 604.608.9572
www.greenbriarliving.com

NEWS RELEASE

Greenbriar Announces PREB Order

Scottsdale, Arizona, June 13, 2026 - Greenbriar Sustainable Living Inc. (TSXV: GRB) (OTC: GEBRF) ("Greenbriar" or the "Company") announces that after the market hours of Friday, June 12, 2026, the Puerto Rico Energy Bureau (PREB) (the government energy regulator) has ordered PREPA and Greenbriar to complete negotiations within the next seven (7) days from this date. If the parties reach agreement within such period, they shall jointly notify the Energy Bureau and submit the corresponding proposed contract or contracts for the Energy Bureau's review and determination within the same seven (7)-day period. The Energy Bureau WARNS PREPA that, under Art. 6.36 of Act 57-2014k, non-compliance with this Resolution and Order may carry the imposition of fines.

The negotiations are in specific reference to a 40 MW 4-hour and 6-hour battery storage system with GRB pricing at $24,000 and $33,000 per MW per month in fees respectively. This is separate and in addition to our 80 MW ac solar contract settlement pricing of 11.3 per kwh, weighted average.

About Greenbriar Sustainable Living Inc.

Greenbriar is a leading developer of sustainable real estate and renewable energy. With long-term, high impact projects and led by a successful industry-recognized operating and development team, Greenbriar targets deep valued assets directed at accretive shareholder value.

ON BEHALF OF THE BOARD OF DIRECTORS

"Jeff Ciachurski"

Jeffrey J. Ciachurski, CEO and Director, 949-903-5906

Neither the TSX Venture Exchange nor its Regulation Service Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

This news release may contain "forward-looking information" and "forward-looking statements" within the meaning of applicable Canadian securities laws. Forward-looking statements in this news release include statements regarding the grant of incentive stock options and any required acceptance or approval by the TSX Venture Exchange. Forward-looking statements are based on management's current expectations, estimates, assumptions and beliefs, and are subject to known and unknown risks, uncertainties and other factors that may cause actual results or events to differ materially from those expressed or implied by such forward-looking statements. There can be no assurance that such forward-looking statements will prove to be accurate. Readers are cautioned not to place undue reliance on forward-looking statements. Additional information regarding risks and uncertainties applicable to the Company is available under the Company's profile on SEDAR+ at www.sedarplus.ca. The Company undertakes no obligation to update or revise any forward-looking statements, except as required by applicable law.

"Greenbriar Capital Corp. was recognized as a TSX Venture 50^® company in 2014 and 2023. 
TSX Venture 50 is a trade-mark of TSX Inc. and is used under license."

Toronto Venture Exchange Symbol: GRB | US OTC Symbol: GEBRF

Filing Exhibits & Attachments

1 document

Press Releases

• EX-99.1 EXHIBIT 99.1 6.1 KB