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SUNE·

SUNation Energy: Long Island Solar Installer — Real Revenue, Real Margins, Cyclically Volatile

NeutralEnergy / Solar InstallationNano CapPublished July 9, 2026
View Our Thesis ↓

SUNE — 6 Month Price History

Daily OHLC

Executive Summary

SUNation Energy (SUNE) gained +13% with no single identifiable catalyst — likely broad solar policy momentum. The company is a Long Island, NY residential solar installer with TTM revenue of $66.46M (18% YoY growth) and 37.2% gross margin.

Revenue is volatile: $38.16M (FY2021) → $27.52M (FY2022, -28%) → $79.63M (FY2023, +189%) → $56.86M (FY2024, -29%) → $71.91M (FY2025, +26%). This lumpy pattern reflects the project-based nature of residential solar installation.

Gross margins are healthy at 37.2%. The business is real — residential solar installation and maintenance on Long Island. But the company operates in a single geographic market with limited growth runway and is exposed to New York solar policy risk.

Neutral. Real business with good margins but limited scale and volatile revenue.

Business Model & Revenue

SUNation Energy, Inc. (NASDAQ: SUNE) is a Long Island, NY-based residential solar panel installer providing design, installation, and maintenance services. TTM Revenue: $66.46M, Gross Margin: 37.2%.

Financial Highlights

MetricTTMFY2025FY2024FY2023FY2022
Revenue$66.46M$71.91M$56.86M$79.63M$27.52M
Gross Profit$24.7M$27.54M$20.43M$27.69M$7.38M
Gross Margin37.2%38.3%35.9%34.8%26.8%

Revenue volatile but margins consistently 27-38%.

Competitive Landscape

Residential solar dominated by Sunrun (RUN), Tesla (Solar Roof), and Vivint. SUNE competes as a local Long Island installer with brand recognition and service relationships.

Catalysts

  1. "NY solar policy tailwinds (IRA incentives, NY-Sun program)."

  2. "Expansion beyond Long Island into broader New York/New Jersey markets."

  3. "Battery storage attachment — adding energy storage to solar installations."

Key Risks

  • Single geographic market (Long Island, NY). Limited growth runway.
  • Revenue volatile: -29% FY2023, +189% FY2022, -28% FY2022. Project-based lumpiness.
  • Solar policy risk: Net Metering changes, NY-Sun program modifications.
  • Nano cap with limited analyst coverage and liquidity.
  • Competition from national installers (Sunrun, Tesla) and local competitors.
  • Seasonality — solar installation is weather-dependent.

Our Thesis

SUNE is one of the more legitimate nano caps we've covered. $66.46M revenue, 37.2% gross margin, and a real business installing residential solar panels on Long Island. The company has been operating for years and has an established local brand.

The +13% move likely reflects broader solar policy momentum (IRA incentives, NY-Sun program, Net Metering) rather than company-specific news. The residential solar market benefits from policy tailwinds but is also subject to policy risk (Net Metering changes, utility opposition).

The single-market limitation is the key constraint. Long Island is a wealthy market with good solar economics, but growth is capped by market size. Expansion beyond Long Island would require significant capital and operational investment.

Neutral. Real business with good margins but limited scale and volatile revenue.

Disclaimer: This report is for informational purposes only and does not constitute financial advice. Small-cap, micro-cap, and nano-cap stocks carry significant risk including limited liquidity and higher volatility. Always do your own due diligence before making investment decisions.

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