Company: SUNE
Filing Date: 2025-08-18
Form Type: 424B5
Source: 0001213900-25-078001
Chunk: 27

Company: SUNation Energy, Inc.
Filing Date: 2025-08-18
Form: 424B5
Chunk 27
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 Energy Inc.

171 Remington Blvd.

Ronkonkoma, NY 11779

Attention: Corporate Secretary
Telephone (631) 750 9454</div>

You also may access these filings
on our website at https://sunation.com/. We do not incorporate the information on our website into this prospectus or any supplement
to this prospectus and you should not consider any information on, or that can be accessed through, our website as part of this prospectus
or any supplement to this prospectus (other than those filings with the SEC that we specifically incorporate by reference into this prospectus
or any supplement to this prospectus).

Any statement contained in a
document incorporated or deemed to be incorporated by reference in this prospectus will be deemed modified, superseded or replaced for
purposes of this prospectus to the extent that a statement contained in this prospectus modifies, supersedes or replaces such statement.

<div align='center'>S-13</div>

PROSPECTUS

<div align='center'>SUNation Energy, Inc.

$100,000,000

Preferred Stock

Common Stock

Debt Securities

Stock Purchase Contracts

Warrants

Rights

Units</div>

We may offer and sell, from time to time in one
or more offerings, up to $100,000,000 in the aggregate of preferred stock, common stock, debt securities, stock purchase contracts, warrants,
rights and units, in any combination.

This prospectus provides you with a general description
of the securities that may be offered. Each time either we offer and sell securities using this prospectus, we will provide a supplement
to this prospectus that contains specific information about the offering, as well as the amounts, prices and terms of the securities.
The supplement may also add, update or change information contained in this prospectus with respect to that offering. You should carefully
read this prospectus and the applicable prospectus supplement before you invest in any of our securities.

We may offer and sell the securities described
in this prospectus and any prospectus supplement to or through one or more underwriters, dealers and agents, or directly to purchasers,
or through a combination of these methods. If any underwriters, dealers or agents are involved in the sale of any of the securities,
their names and any applicable purchase price, fee, commission or discount arrangement between or among them will be set forth, or will
be calculable from the information set forth, in the applicable prospectus supplement. See the