# TPI Composites

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/tpi-composites

- Industry: Industrial Machinery
- Headquarters: Scottsdale, US
- Website: www.tpicomposites.com
- Total disclosed funding: $68M
- Latest round: Series B (Dec 3, 2009)
- Investors on record: 5

## About

Based in the US, TPI Composites, Inc. is a manufacturer specializing in advanced composite wind blades for the renewable energy sector, providing essential components that enhance efficiency and performance in wind energy applications. Founded in 1968, by its founder Steven C. Lockard and headquartered in Scottsdale, US, TPI Composites, Inc. focuses on the production of advanced composite wind blades. In July 2026, Energy Capital Partners acquired TPI Composites, Inc., as part of restructuring. The CEO is Bill Siwek. TPI Composites Inc. specializes in manufacturing advanced composite wind blades that are critical for the renewable energy sector. Since its inception in 2001, TPI has produced over 100,000 wind blades designed to optimize performance and reliability. The company caters primarily to leading Original Equipment Manufacturers (OEMs) in the wind energy market, facilitating efficient outsourcing of production. TPI’s products are strategically manufactured in the U.S., Mexico, Türkiye, and India, supporting the global shift towards renewable energy. TPI Composites generates revenue primarily through the design and manufacture of composite wind turbine blades for global wind turbine OEMs. The company also earns income from wind blade inspection, maintenance and repair services, engineering support, and composite solutions for transportation and other industrial applications. The July 2026 restructuring strengthens TPI Composites by providing financial stability, reducing balance-sheet pressure, supporting continued wind blade manufacturing and field services operations, and enabling investment in growth, innovation, and customer delivery capabilities

## Funding rounds

- Series B, Dec 3, 2009, $26M — GE Capital, Equity, Landmark Partners, NGP, Element Partners, Angeleno Group
- Series B, Jan 22, 2009, $20M — GE Capital, Equity, Landmark Partners, NGP, Angeleno Group
- Series A, Oct 11, 2007, $22M — Landmark Partners, NGP, Angeleno Group

## Investors

- Landmark Partners (https://capitalatlas.ai/funds/landmark-partners) — Series A, Series B
- NGP (https://capitalatlas.ai/funds/ngp) — Series A, Series B
- Angeleno Group (https://capitalatlas.ai/funds/angeleno-group) — Series A, Series B
- GE Capital, Equity (https://capitalatlas.ai/funds/ge-capital-equity) — Series B
- Element Partners (https://capitalatlas.ai/funds/element-partners) — Series B