Energy Recovery (ERII) Q4 2024 earnings summary

Executive summary

• Announced a new format for earnings calls, with a detailed shareholder letter released prior to the call and the live session focused on Q&A.

• Q4 2024 revenue reached $67.1 million, up 17% year-over-year, with full-year revenue at $144.9 million, up 13% from 2023.

• Gross margin for Q4 improved to 70.2%, up 110 bps year-over-year, attributed to manufacturing transformation benefits.

• Operating income for Q4 was $25.6 million, a 24.3% increase year-over-year; net income was $23.5 million, up 19%.

• Management expressed strong confidence in their strategic playbook and ongoing execution.

Outlook and guidance

• Guidance for further gross margin improvement in 2025, driven by manufacturing transformation and operational efficiencies.

• Wastewater revenue guidance for 2025 is $13 million–$16 million, with potential risk from tariffs affecting exports to China.

• Desalination revenue geographic mix expected to remain similar to 2024, with over 60% from Middle East and North Africa.

• Management released a shareholder letter discussing business and financial updates and the 2025 outlook, available on the company website.

Segment performance

• Q4 megaproject revenue grew 12% year-over-year to $46.5 million; OEM revenue rose 78% to $16.3 million; aftermarket revenue fell 36% to $4.3 million.

• PX technology validated in lithium extraction in China, with potential applications in mining, heavy manufacturing, chemical, and textile sectors.

• CO2 systems seeing increased interest from Japan and South Africa, expanding beyond core markets.

• Water segment contributed nearly all revenue; Emerging Technologies segment remained minimal.