Company: SUNE
Filing Date: 2025-02-27
Form Type: 424B5
Source: 0001213900-25-017771
Chunk: 5

Company: SUNation Energy, Inc.
Filing Date: 2025-02-27
Form: 424B5
Chunk 5
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center'>PROSPECTUS</div>

|                                                           |     | Page |
| ABOUT THIS PROSPECTUS                                     |     |   ii |
| PROSPECTUS SUMMARY                                        |     |    1 |
| RISK FACTORS                                              |     |    3 |
| WHERE YOU CAN FIND MORE INFORMATION                       |     |    4 |
| INCORPORATION OF CERTAIN INFORMATION BY REFERENCE         |     |    5 |
| CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING STATEMENTS |     |    6 |
| USE OF PROCEEDS                                           |     |    8 |
| SELLING STOCKHOLDERS                                      |     |    9 |
| DESCRIPTION OF SECURITIES                                 |     |   13 |
| DESCRIPTION OF DEBT SECURITIES                            |     |   18 |
| DESCRIPTION OF WARRANTS                                   |     |   36 |
| DESCRIPTION OF STOCK PURCHASE CONTRACTS                   |     |   40 |
| DESCRIPTION OF RIGHTS                                     |     |   41 |
| DESCRIPTION OF UNITS                                      |     |   42 |
| PLAN OF DISTRIBUTION                                      |     |   43 |
| LEGAL MATTERS                                             |     |   46 |
| EXPERTS                                                   |     |   47 |

<div align='center'>S-i</div>

No dealer, salesperson or other person is authorized to give any information or to represent anything not contained in this prospectus supplement or the accompanying prospectus. You must not rely on any unauthorized information or representations. This prospectus supplement and the accompanying prospectus are an offer to sell only the securities offered hereby, but only under circumstances and in jurisdictions where it is lawful to do so. The information contained in this prospectus supplement and the accompanying prospectus is current only as of their respective dates.

<div align='center'>ABOUT THIS PROSPECTUS SUPPLEMENT</div>

This prospectus supplement and the accompanying
prospectus are part of a registration statement that we filed with the U.S. Securities and Exchange Commission, or SEC, utilizing a “shelf”
registration process. This document is in two parts. The first part is this prospectus supplement, describes the specific terms of this
offering and also adds to and updates information contained in the accompanying prospectus and the documents incorporated by reference
herein. The second part, the accompanying prospectus, provides more general information. Generally, when we refer to this prospectus,
we are referring to both parts of this document