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 July 2022

Commission File Number: 001-40752

RENEW ENERGY GLOBAL PLC

(Translation of registrant’s name into English)

C/O Vistra (UK) Ltd 3rd Floor

11-12 St James’s Square London SW1Y 4LB

(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  ☐

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1):  ☐

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7):  ☐

Other events – Annual General Meeting and Record Date

On July 11, 2022, ReNew Energy Global Plc issued a press release announcing to hold its first Annual General Meeting on August 19, 2022. A copy of the press release dated July 11, 2022 is attached hereto as Exhibit 99.1.

EXHIBIT INDEX

SIGNATURES

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.

Exhibit 99.1

ReNew Energy Global Plc to hold its first Annual General Meeting on August 19, 2022

Gurugram, India; July 11, 2022: ReNew Energy Global Plc (“ReNew” or “the Company”) (NASDAQ: RNW, RNWWW) today announced that it will hold its first Annual General Meeting (AGM) of shareholders in London, United Kingdom, on August 19, 2022.

The Company will propose resolutions at the AGM to (i) receive the U.K. Companies Act annual accounts and reports of the Company for the financial year ended March 31, 2022, (ii) to approve the directors’ remuneration report of the Company for the financial year ended March 31, 2022, (iii) to approve directors’ remuneration policy of the Company, (iv) to (ix) to approve the appointment of non-executive independent directors: Ram Charan; Manoj Singh; Robert S. Mancini; Sir Sumantra Chakrabarti; Vanitha Narayanan; and Michelle Robyn Grew, (x) to re-appoint KNAV Limited as the U.K. statutory auditor of the Company, and (xi) to authorise the Board and Audit Committee to determine the remuneration of the auditors.

Only shareholders of record at 23:59 (Eastern Daylight Time) on July 14, 2022 (the “Record Date”) will be entitled to attend and vote at the AGM. Changes to the register of members after the Record Date will be disregarded in determining the rights of any person to attend and vote at the meeting. Beneficial shareholders, for whom shares in the Company are held in a stock brokerage account or by a broker, bank or other nominee, will be sent information on how they can give instructions for voting of their shares at the meeting.

The AGM notice and the Company’s U.K. Companies Act annual accounts and reports for the financial year ended March 31, 2022 (containing the directors’ report, strategic report, directors’ remuneration report, annual accounts, and auditor’s report for the financial year ended March 31, 2022) are expected to be published on, or around July 21, 2022, and will then be available in the Investor Relations Section on ReNew’s website at https://investor.renewpower.in/and on the website of the U.S. Securities and Exchange Commission at www.sec.gov. We will provide all shareholders, upon request, hard copies of these documents free of charge.

About ReNew

ReNew is one of the largest renewable energy Independent Power Producers in India and globally. ReNew develops, builds, owns, and operates utility-scale wind energy, solar energy, and hydro projects. As of June 30, 2022, ReNew has a gross total portfolio of ~ 12.8 GW of renewable energy projects across India, including commissioned and committed projects. To know more, visit www.renewpower.in and follow us on Linked In, Facebook, Twitter and Instagram.

Press Enquiries

Kamil Zaheer

kamil.zaheer@renewpower.in

+ 91 9811538880

Karan Anand

karan.anand@renewpower.in

+91 9833372732

Investor Enquiries

Nathan Judge

Anunay Shahi

ir@renewpower.in