Valkyrie Analytics Re-launches as Nirova LLC to Advance Optimization of Anaerobic Digesters

Nirova's platform leverages proprietary algorithms to help anaerobic digesters operate more efficiently while reducing risk and variability.

Apr. 9, 2026 at 1:36pm

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A photorealistic studio still-life image of a polished metal anaerobic digester tank, dramatically lit with sharp shadows to represent the advanced analytics and optimization capabilities of Nirova's platform.Nirova's advanced analytics platform helps anaerobic digester operators and investors maximize the efficiency, stability, and return on investment of this critical organic waste infrastructure.Boise Today

Valkyrie Analytics, a US-based analytics company specializing in real-time monitoring and optimization of anaerobic digesters, has received a $3 million seed stage investment from a strategic investor. This allows the company to re-launch as Nirova LLC with an upgraded service offering, strengthened technology platform and expanded organization. Nirova's first-of-a-kind, proprietary platform enables plant operators and investors to make proactive operational adjustments that increase biogas production, ensure stability of biological processes and improve overall plant performance and return on investment.

Why it matters

Anaerobic digesters are critical infrastructure for managing liquid organic wastes from livestock agriculture, food waste, and municipal or industrial wastewater. Nirova's technology helps these complex systems operate more efficiently, maximizing energy production and return on investment.

The details

Nirova's platform leverages proprietary algorithms that convert near-infrared spectral data to key process metrics to support specific operational outcomes, including maximizing the conversion of organic waste to energy, early detection of biological instability, and economically optimized feedstock management. These capabilities help anaerobic digesters operate more efficiently while reducing risk and variability.

  • Valkyrie Analytics received a $3 million seed stage investment in April 2026.
  • Nirova will exhibit at the Residuals, Biosolids and Treatment Technology trade show in Kansas City from May 11-14, 2026.
  • Nirova will also exhibit at the Biogas Americas trade show in Detroit from May 18-21, 2026.

The players

Nirova LLC

A US-based analytics company that provides real-time monitoring and analysis of anaerobic digesters that manage liquid organic wastes.

Sandy Selman

Chief Executive Officer of Nirova.

Will Charlton

Chief Technology Officer of Nirova.

Christopher Maloney

Chief Marketing Officer of Nirova.

David Christensen

Chief Financial Officer of Nirova.

Alex Chassels

Board Advisor - Operations for Nirova.

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What they’re saying

“Anaerobic digesters are complicated systems that are difficult to operate by virtue of the fact that many of the most important operational metrics can only be determined in retrospect. Even with constant attention, guesswork is still part of the operator's decision framework. Our platform is a total game changer and will help owners and investors maximize their return on investment in this critical infrastructure.”

— Sandy Selman, Chief Executive Officer, Nirova

What’s next

Nirova will exhibit at the Residuals, Biosolids and Treatment Technology trade show in Kansas City from May 11-14, 2026, and the Biogas Americas trade show in Detroit from May 18-21, 2026, to showcase its revolutionary technology.

The takeaway

Nirova's advanced analytics platform is a game-changer for the anaerobic digester industry, helping operators and investors maximize the efficiency, stability, and return on investment of this critical infrastructure for managing organic waste streams.