American Superconductor Corp (NASDAQ: AMSC) is a power electronics and superconductor technology company that designs wind turbine systems, supplies power electronics and control systems to wind turbine manufacturers, and provides power management and protection systems for military, industrial, and grid applications. Revenue comes from a mix of product sales, technology licensing, and customer support services across two primary end markets: wind power and grid and industrial power. The wind power segment supplies advanced power electronics, software-based control systems, and licensed turbine designs, primarily to manufacturers serving India and other global markets. The grid and industrial segment covers ship protection and power management systems for the U.S. Navy, substation-level power conditioning for semiconductor fabrication plants, and transformation and harmonic filtering systems for large industrial equipment. AMSC was incorporated in Massachusetts and its fiscal year runs April 1 through March 31. The 10-K filed May 21, 2025 covers fiscal year ending March 31, 2025.

Revenue model

AMSC generates revenue through product sales of power electronics hardware and control systems, technology licensing of wind turbine designs, and ongoing customer support services. The grid and industrial segment adds transactional product revenue from ship protection systems, voltage sag mitigation systems, and substation power conditioning equipment sold to the U.S. Navy and industrial operators.

Products and services

Wind power: advanced power electronics, software-based control systems, licensed wind turbine designs rated 2 MW and higher, and customer support services for wind turbine manufacturers. Grid and industrial: ship protection systems, power management and generation systems for U.S. Navy vessels, HTS (high-temperature superconductor) cable systems using Amperium wire (yttrium barium copper oxide compound), voltage sag mitigation systems for semiconductor fabrication plants, transformation and rectification systems, harmonic filtering systems, and voltage management systems for large industrial equipment including furnaces and chemical plants.

Customers and end markets

Wind turbine manufacturers, primarily serving the India wind market and global wind installation base. U.S. Navy for fleet electrification programs. Semiconductor fabrication plant operators requiring power conditioning. Large industrial operators including chemical plants and furnace operators. India wind installations were 3.4 GW in calendar 2024 per GlobalData, cited in the FY2025 10-K.

Value-chain role

AMSC sits between raw materials and end-product manufacturers. In wind, it is a technology licensor and component supplier to turbine manufacturers, not an end turbine OEM. In grid and industrial, it acts as a systems integrator and direct equipment supplier to the U.S. Navy and industrial end users. Amperium superconducting wire is a component that AMSC may supply into third-party cable systems through marketing and distribution arrangements.

Geographic exposure

India is a named wind market with 3.4 GW of annual installations in calendar 2024 per GlobalData, cited in the FY2025 10-K. U.S. Navy programs represent a domestic revenue stream. The filing notes international operations subject to varying legal, regulatory, and trade conditions, including exposure to U.S.-China and broader trade tensions. Specific revenue percentages by geography are not disclosed in the provided excerpts.

Source: SEC 10-K, filed 2025-05-21

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