Company: SUNE
Filing Date: 2025-04-22
Form Type: S-3
Source: 0001213900-25-033892
Chunk: 3

Company: SUNation Energy, Inc.
Filing Date: 2025-04-22
Form: S-3
Chunk 3
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 any state securities commission has approved or disapproved of these securities or passed upon the adequacy or accuracy of this prospectus. Any representation to the contrary is a criminal offense.

<div align='center'>The date of this prospectus is April 22, 2025.

TABLE OF CONTENTS</div>

| ABOUT THIS PROSPECTUS                                     |     | ii |
| PROSPECTUS SUMMARY                                        |     |  1 |
| SELECTED FINANCIAL DATA                                   |     |  2 |
| RISK FACTORS                                              |     |  4 |
| WHERE YOU CAN FIND MORE INFORMATION                       |     |  8 |
| INCORPORATION OF CERTAIN INFORMATION BY REFERENCE         |     |  9 |
| CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING STATEMENTS |     | 10 |
| USE OF PROCEEDS                                           |     | 13 |
| DESCRIPTION OF SECURITIES                                 |     | 14 |
| DESCRIPTION OF DEBT SECURITIES                            |     | 17 |
| DESCRIPTION OF WARRANTS                                   |     | 32 |
| DESCRIPTION OF STOCK PURCHASE CONTRACTS                   |     | 35 |
| DESCRIPTION OF RIGHTS                                     |     | 36 |
| DESCRIPTION OF UNITS                                      |     | 37 |
| PLAN OF DISTRIBUTION                                      |     | 38 |
| LEGAL MATTERS                                             |     | 41 |
| EXPERTS                                                   |     | 41 |

<div align='center'>i

ABOUT THIS PROSPECTUS</div>

This prospectus is part of a registration statement
that we filed with the U.S. Securities and Exchange Commission, or the SEC, using a “shelf” registration process. By using
a shelf registration statement, we may sell securities described in this prospectus from time to time and in one or more offerings up
to a total dollar amount of $100,000,000.

Each time that we offer and sell securities using
this prospectus, we will provide a prospectus supplement to this prospectus that contains specific information about the securities being
offered and sold and the specific terms of that offering. We may also authorize one or more free writing prospectuses to be provided
to you that may contain material information relating to these offerings. The prospectus supplement may also add, update or change information
contained in this prospectus with respect to that offering. If there is any inconsistency between the information in this prospectus
and the applicable prospectus supplement, you should rely on