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Sifting through countless of stocks in the Electrical Equipment industry can be tedious, and sometimes two stocks are just too similar to judge which is the better investment. If you’re on the fence about investing in American Superconductor Corporation or Plug Power Inc. because you’re not sure how they measure up, it’s important to compare them on a few factors before making your decision.
Read on to learn how American Superconductor Corporation and Plug Power Inc. compare based on key financial metrics to determine which better meets your investment needs.
About American Superconductor Corporation and Plug Power Inc.
American Superconductor Corporation, together with its subsidiaries, provides megawatt-scale power resiliency solutions worldwide. It operates through Grid and Wind segments. The Grid segment offers products and services that enable electric utilities, industrial facilities, and renewable energy project developers to connect, transmit, and distribute power under the Gridtec Solutions brand. The company provides transmission planning services, which identify power grid congestion, poor power quality, and other risks; grid interconnection solutions for wind farms and solar power plants, power quality systems, and transmission and distribution cable systems; D-VAR systems used for controlling power flow and voltage in the AC transmission system; actiVAR system, a fast-switching medium-voltage reactive compensation solution; armorVAR system installed for reactive compensation, power factor correction, loss reduction, utility bill savings, and mitigation of common power quality concerns related to power converter-based generation and load devices; and D-VAR volt var optimization (VVO) that serves the distribution power grid market. This segment also offers ship protection systems, which reduce a naval ship’s magnetic signature; and Onboard power delivery systems, power generation systems, and propulsion systems; and transformers and rectifiers systems. The Wind segment designs wind turbine systems and licenses these designs to third parties under the Windtec Solutions brand. The company also supplies power electronics and software-based control systems, engineered designs, and support services; and provides customer support services to wind turbine manufacturers. This segment’s design portfolio comprises a range of drivetrains and power ratings of 2 megawatts and higher. American Superconductor Corporation was incorporated in 1987 and is headquartered in Ayer, Massachusetts.
Plug Power Inc. develops hydrogen fuel cells product solutions in North America, Europe, Asia, and internationally. The company offers GenDrive, a hydrogen fueled proton exchange membrane (PEM) fuel cell system that provides power to material handling electric vehicles; GenSure, a stationary fuel cell solution that offers modular PEM fuel cell power to support the backup and grid-support power requirements of the telecommunications, transportation, and utility sectors; and Progen, a fuel cell stack and engine technology used in mobility and stationary fuel cell systems. It also offers GenFuel, a liquid hydrogen fueling delivery, generation, storage, and dispensing system; GenCare, an ongoing Internet of Things-based maintenance and on-site service program for GenDrive fuel cell systems; GenSure fuel cell systems; GenFuel hydrogen storage and dispensing products; ProGen fuel cell engines; and GenKey, an integrated turn-key solution for transitioning to fuel cell power. In addition, the company also provides electrolyzers, a hydrogen generator for clean hydrogen production; liquefaction systems that provides liquid hydrogen to customers; cryogenic equipment for the distribution of liquified hydrogen, oxygen, argon, nitrogen, and other cryogenic gases, including trailers and mobile storage equipment; and liquid hydrogen, an alternative to fuel to fossil-based energy. The company sells its products through a direct product sales force, original equipment manufacturers, and dealer networks. Plug Power Inc. was incorporated in 1997 and is headquartered in Latham, New York.
Latest Electrical Equipment and American Superconductor Corporation, Plug Power Inc. Stock News
As of September 17, 2025, American Superconductor Corporation had a $2.7 billion market capitalization, compared to the Electrical Equipment median of $475.4 million. American Superconductor Corporation’s stock is NA in 2025, NA in the previous five trading days and up 182.14% in the past year.
Currently, American Superconductor Corporation’s price-earnings ratio is 153.1. American Superconductor Corporation’s trailing 12-month revenue is $254.9 million with a 6.0% net profit margin. Year-over-year quarterly sales growth most recently was 79.7%. Analysts expect adjusted earnings to reach $0.747 per share for the current fiscal year. American Superconductor Corporation does not currently pay a dividend.
Currently, Plug Power Inc. does not have a price-earnings ratio. Plug Power Inc.’s trailing 12-month revenue is $672.8 million with a -292.8% net profit margin. Year-over-year quarterly sales growth most recently was 21.3%. Analysts expect adjusted earnings to reach $-0.620 per share for the current fiscal year. Plug Power Inc. does not currently pay a dividend.
How We Compare American Superconductor Corporation and Plug Power Inc. Stock Grades
Stock evaluation requires access to huge amounts of data and the knowledge and time to sift through it all, make sense of financial ratios, read income statements and analyze recent stock movements. AAII created A+ Investor, a robust data suite that condenses data research in an actionable and customizable way suitable for investors of all knowledge levels, to help investors streamline and work through such data.
AAII’s proprietary stock grades come with A+ Investor. These offer intuitive A‐F grades for each of five key investing factors: value, growth, momentum, earnings estimate revisions and quality. Here, we’ll take a closer look at American Superconductor Corporation and Plug Power Inc.’s stock grades to see how they measure up against one another.
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