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Delft, Netherlands – November 12, 2025 – OTT HydroMet, a leader in environmental monitoring solutions and an operating company of Veralto, today announced the acquisition of Atonometrics, Inc., a technology leader in solar plant performance sensors and monitoring.
This strategic addition expands OTT HydroMet’s solar portfolio, enhances its leadership in climate and environmental resilience and compliments OTT HydroMet’s portfolio, which includes the Kipp & Zonen and Lufft Brands.
Based in Austin, Texas, Atonometrics brings expertise that is complementary to OTT HydroMet’s current offerings in solar soiling measurement, solar performance optimization and irradiance monitoring—providing the tools needed to maximize clean energy output and adapt to the challenges of a changing climate.
Combined with OTT HydroMet’s leadership in weather and environmental analytics, this integration delivers a powerful end-to-end solution—equipping energy providers with the insights needed to maximize solar output, improve forecasting accuracy, and build resilience in the face of a changing climate.
“Reliable data is essential to drive sustainable energy outcomes, and OTT HydroMet has a long history of advancing environmental intelligence across the energy sector,” said Nadia Iannuzzi, President of OTT HydroMet. “Integrating Atonometrics’ inventor-led spirit and customer-driven technology, with our proven expertise in environmental monitoring and solar radiation measurement, strengthens our ability to deliver precise, actionable data. Together, we’re enabling energy providers to optimize performance and make smarter decisions with confidence.
“Our mission has always been to solve the real-world challenges faced by solar operators and researchers,” said Bill Stueve, CEO of Atonometrics. “Joining OTT HydroMet, alongside leading brands like Kipp & Zonen and Lufft, Atonometrics is enhancing its ability to expand innovation in solar measurement and performance monitoring solutions, empowering energy providers with critical insights to maximize clean energy generation and reliability across the globe.
About OTT HydroMet
OTT HydroMet, an operating company of Veralto, delivers trusted environmental monitoring solutions that help protect lives, infrastructure, and the environment. With a legacy of precision and innovation, OTT HydroMet’s portfolio includes Kipp & Zonen—a global leader in solar radiation measurement with nearly 200 years of scientific heritage. Together, they empower energy providers, researchers, and environmental professionals with the tools and insights needed to monitor critical conditions, advance clean energy performance, and build resilience in a changing climate.
About Kipp & Zonen
Kipp & Zonen, a brand of OTT HydroMet, provides class-leading instruments for measuring solar radiation and atmospheric properties in Meteorology, Climatology, Hydrology, Industry, Renewable Energy, Agriculture and Public Health. Kipp & Zonen is the specialist in the measurement of solar and sky radiation, from the ultraviolet to the far infrared. We offer a complete range of high-quality instrumentation and accessories, from reliable cost-effective products to the best performance available. Our pyranometers are used in meteorological networks around the world.
About Atonometrics
Founded in Austin, Texas, Atonometrics is a technology-driven company specializing in solar performance monitoring and soiling measurement solutions. With a focus on innovation and precision, Atonometrics develops advanced instrumentation that helps solar energy providers optimize output, improve system reliability, and enhance forecasting accuracy. Its customer-centric approach and commitment to solving real-world challenges have made it a trusted partner in the global solar industry.