Key Takeaways
- • Monroe Capital LLC acted as sole lead arranger and administrative agent on a senior credit facility supporting First Reserve's strategic growth investment in Lindsey Systems, according to a Business Wire announcement.
- • Lindsey Systems, founded in 1947 and headquartered in Azusa, California, supplies proprietary products and systems for the electric grid, including sensors, high-voltage transmission hardware, Emergency Restoration System structures, Dynamic Line Rating systems, and FIREBird early wildfire detection solutions.
- • The transaction is a private credit deal financing a private equity sponsor's growth investment, with the funding amount not disclosed in the source material.
- • Monroe Capital, a Chicago-based private credit manager active since 2004 with 12 locations across the U.S., Middle East, Asia and Australia, highlighted the deal as part of its ongoing lending activity.
Summary
Monroe Capital LLC ("Monroe") announced that it acted as sole lead arranger and administrative agent on the funding of a senior credit facility to support a strategic growth investment in Lindsey Systems ("Lindsey") by private equity sponsor First Reserve, according to a Business Wire release dated May 7, 2026. The release did not disclose the size of the facility.
Lindsey, founded in 1947 and headquartered in Azusa, California, is a worldwide provider of proprietary products and systems supporting the electric grid. Its offerings include what the company describes as the widest range of high-accuracy overhead and switchgear sensors in the industry, high-reliability high-voltage and extra-high-voltage transmission hardware assemblies, Emergency Restoration System ("ERS") structures, transmission line Dynamic Line Rating systems ("SMARTLINE"), and early wildfire detection ("FIREBird") solutions.
The financing underscores continued demand for private credit to fund growth-stage investments in infrastructure-related industrial businesses. Monroe describes itself as a specialist asset manager across direct lending, technology finance, venture debt, alternative credit, structured credit, real estate and equity, offering products to both institutional and high-net-worth investors. The firm has been recognized with several industry awards, including Private Debt Investor's 2025 CLO Manager of the Year, Americas, and its 2023 Lower Mid-Market Lender of the Decade.
The release also referenced two other recent Monroe Capital transactions: support for Altamont Capital Partners' investment in Key Container and for Battery Ventures' investment in Phigenics, both published by Business Wire.
Lindsey, founded in 1947 and headquartered in Azusa, California, is a worldwide provider of proprietary products and systems supporting the electric grid. Its offerings include what the company describes as the widest range of high-accuracy overhead and switchgear sensors in the industry, high-reliability high-voltage and extra-high-voltage transmission hardware assemblies, Emergency Restoration System ("ERS") structures, transmission line Dynamic Line Rating systems ("SMARTLINE"), and early wildfire detection ("FIREBird") solutions.
The financing underscores continued demand for private credit to fund growth-stage investments in infrastructure-related industrial businesses. Monroe describes itself as a specialist asset manager across direct lending, technology finance, venture debt, alternative credit, structured credit, real estate and equity, offering products to both institutional and high-net-worth investors. The firm has been recognized with several industry awards, including Private Debt Investor's 2025 CLO Manager of the Year, Americas, and its 2023 Lower Mid-Market Lender of the Decade.
The release also referenced two other recent Monroe Capital transactions: support for Altamont Capital Partners' investment in Key Container and for Battery Ventures' investment in Phigenics, both published by Business Wire.
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