Clean Energy Penny Stocks

US-listed clean energy penny stocks priced $0.50 to $5, ranked by today's percentage change. Solar, wind, hydrogen, geothermal, carbon capture, biofuels, and grid services tagged to the clean energy theme. Updated intraday.

Data as of 10/13/2026 10:41:31 AM · Intraday prices · 60 penny stocks in theme
#SymbolCompanySectorPriceDay ChgVolume
1OPTTOcean Power Technologies, Inc.Technology$0.7010+0.60%1K
2TET1 Energy Inc.Technology$3.1920+0.31%66K
3PLUGPlug Power Inc.Energy$1.61500.00%170K
4EOSEEos Energy Enterprises, Inc. Class A Common StockTechnology$2.37000.00%106K
5FRMIFermi Inc. Common StockReal Estate$3.26000.00%51K
6GSMFerroglobe PLC Ordinary SharesMaterials$4.12000.00%22K
7NUAINew Era Energy & Digital, Inc. Common StockTechnology$4.32100.00%19K
8SLNHSoluna Holdings, Inc. Common StockTechnology$0.85700.00%19K
9DGXXDigi Power X Inc. Subordinate Voting SharesTechnology$2.99900.00%12K
10BLDPBallard Power Systems Inc.Technology$1.82500.00%10K
11MASK3 E Network Technology Group Ltd Class A Ordinary SharesTechnology$0.88500.00%6K
12SSMSono Group N.V. Ordinary SharesTechnology$1.18000.00%3K
13ARRYArray Technologies, Inc. Common StockTechnology$3.61000.00%2K
14FGLFounder Group Limited Class A Ordinary SharesUtilities$4.48500.00%2K
15PRFXPRF Technologies Ltd. Ordinary SharesHealthcare$0.85300.00%2K
16NEOVNeoVolta Inc. Common StockTechnology$2.44000.00%1K
17TOYOTOYO Co., Ltd Ordinary SharesTechnology$4.40000.00%1K
18BEEMBeam Global Common StockTechnology$1.02500.00%1K
19ATPCAgape ATP Corporation Common StockHealthcare$1.96500.00%965
20CLNEClean Energy Fuels Corp.Energy$1.48000.00%743
21ASTIAscent Solar Technologies, Inc. Common StockTechnology$2.16000.00%628
22SHMDSCHMID Group N.V. Class A Ordinary SharesTechnology$3.70000.00%527
23AGIGAbundia Global Impact Group Inc.Energy$0.96000.00%505
24SMXTSolarmax Technology Inc. Common StockUtilities$4.74000.00%501
25POLAPolar Power, Inc. Common StockIndustrials$1.11600.00%386
26DFLIDragonfly Energy Holdings Corp. Common Stock (NV)Technology$3.55000.00%379
27ALTOAlto Ingredients, Inc. Common StockEnergy$3.59200.00%331
28FIPFTAI Infrastructure Inc. Common StockIndustrials$2.58000.00%279
29STEMStem, Inc.Technology$4.01000.00%270
30NXXTNextNRG, Inc. Common StockEnergy$0.59100.00%270
31SUNESUNation Energy, Inc. Common StockTechnology$2.28500.00%259
32GEVOGevo, Inc.Energy$1.28500.00%257
33BWENBroadwind, Inc. Common StockIndustrials$3.74000.00%205
34IPWRIdeal Power Inc.Technology$3.50500.00%189
35SPRUSpruce Power Holding CorporationUtilities$1.52000.00%167
36PNPN Smart Energy Limited Class A Ordinary SharesTechnology$2.39500.00%134
37PPSIPioneer Power Solutions, Inc.Industrials$2.95500.00%116
38NRGVEnergy Vault Holdings, Inc.Technology$3.10500.00%112
39VIVOVivoPower PLC Class A Ordinary SharesTechnology$3.13000.00%92
40NKLRTerra Innovatum Global N.V. Ordinary sharesEnergy$2.86100.00%69
41SEVAptera Motors Corp. Class B Common StockConsumer Discretionary$1.66000.00%47
42ANNAAleAnna, Inc. Class A Common StockEnergy$2.52500.00%33
43MNTKMontauk Renewables, Inc. Common StockUtilities$2.44000.00%10
44WPRTWestport Fuel Systems Inc Common SharesIndustrials$1.74000.00%6
45BESSBimergen Energy CorporationUtilities$2.31500.00%1
46AMTXAemetis, Inc. (DE) Common StockEnergy$1.59000.00%0
47CETYClean Energy Technologies, Inc. Common StockEnergy$0.96500.00%0
48LZMLifezone Metals LimitedMaterials$3.38500.00%0
49NPWRNET Power Inc.Energy$1.23000.00%0
50TUSKMammoth Energy Services, Inc. Common StockEnergy$2.82000.00%0

How Clean Energy Penny Stocks Trade

Clean energy at sub-$5 is heavily policy-driven and broadly out of favor after a tough 2022-25 stretch. Most names here are residential solar developers hit by interest-rate increases, hydrogen names that haven't reached commercialization, and small wind/grid contractors. The next leg depends largely on policy and interest rates.

  • IRA tax credit landscape: Section 45 (production), 48 (investment), and 45V (hydrogen) credits underpin most clean energy economics. Rule changes move the group.
  • Interest rate sensitivity: clean energy projects are capital-intensive and financed long. The sector trades inversely to long-term rates.
  • Residential solar: primarily a financing model. Lease vs. PPA vs. loan economics shift with rates; defaults rising in some states.
  • Hydrogen reality: green hydrogen economics still depend heavily on subsidies. Sub-$5 hydrogen pure plays are pre-revenue or barely revenue.
  • State RPS targets: renewable portfolio standards by state set the demand floor for utility-scale projects.
  • Election cycle risk: regulatory continuity matters; rollback risk is real.
  • Carbon capture & storage: 45Q tax credit drives unit economics; commercial-scale projects starting to come online.

See also: nuclear penny stocks, energy storage penny stocks, EV penny stocks, penny stocks under $1.

Clean energy stocks — the full-market theme page, all price ranges.