Company: SUNE
Filing Date: 2025-04-22
Form Type: S-3
Source: 0001213900-25-033892
Chunk: 2

Company: SUNation Energy, Inc.
Filing Date: 2025-04-22
Form: S-3
Chunk 2
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, DATED April 22, 2025</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 sections of this prospectus entitled “About
this Prospectus” and “Plan of Distribution” for more information. This prospectus may not be used to offer and sell
our securities unless accompanied by a prospectus supplement describing the method and terms of the offering of such securities.

Investing in our securities involves risks. See “Risk Factors” beginning on page 4 of this prospectus and any similar section contained in the applicable prospectus supplement concerning factors you should consider before investing in our securities.

Our common stock is listed on the Nasdaq Capital
Market under the symbol “SUNE.” On April 21, 2025, the last reported sale price of our common stock on the Nasdaq Capital
Market was $2.75 per share. All common stock shares and share-related prices included in this prospectus are on a split-adjusted basis
per our amended certificate of incorporation.

Neither the Securities and Exchange Commission nor