Company: SUNE
Filing Date: 2025-04-07
Form Type: 424B5
Source: 0001213900-25-029179
Chunk: 3

Company: SUNation Energy, Inc.
Filing Date: 2025-04-07
Form: 424B5
Chunk 3
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-17 of this prospectus supplement for more information regarding
these arrangements.

As of April 7, 2025, immediately prior to the
second closing of the offering, we had 983,435,141 authorized but unissued shares of common stock available for issuance (after
deducting the number of shares outstanding and reserved for issuance and giving effect to an aggregate of 13,136 shares of common
stock issuable upon the exercise or conversion of any outstanding equity incentive plan, contractual arrangements, warrants and
convertible debt).

Our shares of common stock are traded on the Nasdaq
Capital Market under the symbol “SUNE.” The last reported sales price of our common stock on the Nasdaq Capital Market on
April 4, 2025 was $0.261 per share.

|                                  |     | Per Share |         |     | Total |              |
|:---------------------------------|:----|:----------|--------:|:----|:------|-------------:|
| Offering price                   |     | $         |    1.15 |     | $     | 4,999,999.90 |
| Placement agent fees (7.5%)(1)   |     | $         | 0.08625 |     | $     |   374,999.99 |
| Proceeds, before expenses, to us |     | $         | 1.06375 |     | $     | 4,624,999,91 |

| (1) | In addition, we have agreed to reimburse the placement agent for certain out-of-pocket expenses. See “Plan of Distribution” beginning on page S-17 of this prospectus supplement for additional information with respect to the compensation we will pay and expenses we will reimburse to the placement agent in connection with this offering. |

Investment in our common stock involves risks. See the section entitled “Risk Factors” on page S-3 of this prospectus supplement and the risk factors contained in the documents incorporated by reference in this prospectus supplement and the accompanying prospectus for a discussion of certain factors which should be considered before investing in our common stock.

Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities or determined if this prospectus supplement is truthful or complete. Any representation to the contrary is a criminal offense.

<div align='center'>Roth Capital Partners

The date of this prospectus supplement is April
7, 2025.

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