Last Updated on September 21, 2021 by Henry John
With more people crying out the harmful effects of global warming and the danger of relying on unsustainable energy, renewable energy stocks are soaring.
As you probably know, solar energy stocks are among the leading fast-growing stocks of renewable energy stocks along with stocks of companies invested in wind, hydro, and thermal energy sources.
If you are looking to invest in cheap (small-cap) renewable energy stocks, including solar energy stocks under $10 or $5, Here are some to consider:
1. Sunhydrogen Inc. (OTCMKTS: HYSR)
SunHydrogen, Inc. develops solar-powered nanoparticle systems that mimic photosynthesis to separate hydrogen from water.
The company was formerly known as HyperSolar, Inc. and changed its name to SunHydrogen, Inc. in June 2020.
SunHydrogen, Inc. was founded in 2009 and is based in Santa Barbara, California.
2. Ocean Power Technologies, Inc. (NASDAQ: OPTT)
Ocean Power Technologies, Inc. develops and commercializes proprietary systems that generate electricity by harnessing the renewable energy of ocean waves in North America, Europe, Australia, and Asia.
It offers PB3 PowerBuoy system that generates power for use independent of the power grid in remote offshore locations.
The company also provides hybrid PowerBuoy products; subsea battery systems; and support services, such as innovation, remote monitoring, extended agreement, customization and pre-packaged payload option, engineering-design-testing, mooring design, and marine services.
It also offers electric power and real-time data communications for remote offshore and subsea applications in markets, such as oil and gas, defense and security, science and research, and communications.
The company focuses on serving public and private entities, and agencies that require remote offshore power. Ocean Power Technologies, Inc. was founded in 1984 and is headquartered in Monroe Township, New Jersey.
3. Clean Energy Fuels Corp (NASDAQ: CLNE)
Clean Energy Fuels Corp. provides natural gas as an alternative fuel for vehicle fleets, primarily in the United States and Canada.
The company supplies renewable natural gas (RNG), compressed natural gas (CNG), and liquefied natural gas (LNG) for light, medium, and heavy-duty vehicles; and offers operation and maintenance services for public and private vehicle fleet customer stations.
It also designs, builds, operates, and maintains fueling stations; sells and services natural gas fueling compressors and other equipment that are used in CNG and LNG stations; and provides assessment, design, and modification solutions to offer operators with code-compliant service and maintenance facilities for natural gas vehicle fleets.
In addition, the company transports and sells CNG and LNG through virtual natural gas pipelines and interconnects; procures and sells RNG; sells tradable credits, such as RNG and conventional natural gas as a vehicle fuel comprising Renewable Identification Numbers and Low Carbon Fuel Standards credits; enables its customers to acquire and finance natural gas vehicles; and obtains federal, state and local credits, grants, and incentives.
It serves heavy-duty trucking, airports, refuse, public transit, industrial, and institutional energy users, as well as government fleets.
As of December 31, 2019, the company served approximately 1,000 fleet customers operating approximately 48,000 natural gas vehicles; and owned, operated, or supplied approximately 550 natural gas fueling stations in 41 states in the United States and four provinces in Canada.
Clean Energy Fuels Corp. was incorporated in 2001 and is headquartered in Newport Beach, California.
4. Ascent Solar Technologies (OTCMKTS: ASTI)
Ascent Solar Technologies, Inc. designs, manufactures, and sells photovoltaic (PV) integrated consumer electronics and portable power applications for commercial and military users.
It offers outdoor solar chargers, such as XD-12 and XD-48 for the individual soldier and platoon power needs; high-voltage SuperLight thin-film CIGS PV blankets; and solar modules.
The company markets and sells its products through distributors, value added resellers, and e-commerce companies.
Ascent Solar Technologies, Inc. was founded in 2005 and is headquartered in Thornton, Colorado.
5. Alto Ingredients Inc(NASDAQ: ALTO)
Alto Ingredients Inc. produces and markets low-carbon renewable fuels and alcohol products in the United States.
The company operates in two segments, Production and Marketing.
It produces and markets ethanol; and co-products, such as wet and dry distillers grains, wet and dry corn gluten feed, condensed distillers solubles, corn gluten meal, corn germ, corn oil, dried yeast, and CO2, as well as markets ethanol produced by third parties.
The company also offers ethanol transportation, storage, and delivery services through third-party service providers.
It sells ethanol to integrated oil companies and gasoline marketers; distillers grains and other feed co-products to dairies and feedlots; and corn oil to poultry and biodiesel customers.
The company owns and operates nine ethanol production facilities, including four plants located in the Western states of California, Oregon, and Idaho; and five plants in the Midwestern states of Illinois and Nebraska.
Alto Ingredients Inc was formerly known as Pacific Ethanol, was founded in 2003 and is headquartered in Sacramento, California.
6. Gevo, Inc. (NASDAQ: GEVO)
Gevo, Inc. operates as a renewable fuels company. It commercializes gasoline, jet fuel, and diesel fuel to achieve zero carbon emissions, and reduce greenhouse gas emissions with sustainable alternatives.
The company uses low-carbon renewable-resource-based carbohydrates as raw materials and is developing renewable electricity and renewable natural gas for use in production processes.
It products also include renewable biodiesel, isooctane, isobutanol, sustainable aviation fuel, isobutylene, ethanol, and animal feed.
The company was formerly known as Methanotech, Inc. and changed its name to Gevo, Inc. in March 2006. Gevo, Inc. was founded in 2005 and is headquartered in Englewood, Colorado