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LHV vs HHV in Data Centers: Why Fuel Definitions Matter for Onsite Power Economics
LHV and HHV are often confused in data‑center energy modelling. Because gas‑engine performance is measured using LHV while fuel is billed using HHV, mixing the two can distort efficiency, fuel forecasts, and long‑term cost planning.
Why Gas Engines Behave Differently Under Partial Load – and Why Data Centers Should Care
Modern data centers rarely operate at full load, making partial‑load engine behavior critical. Gas engines offer high efficiency, fast ramp rates, and strong integration with UPS and BESS systems—helping operators improve resilience, performance, and long‑term economics.
Engineering Data-Center Reliability with Prime-Running Gas Engines
Data-center availability targets from 99.9% to 99.999% require different architectures, not different engines. Prime‑running gas engines enable scalable reliability using modular redundancy, allowing operators to deliver hyperscale‑grade uptime with predictable performance.
Clarke Energy Supports Groundbreaking of Soufflet Malt’s New Malting Facility in Gauteng
Clarke Energy joined the groundbreaking of Soufflet Malt’s new Midvaal malting facility, where the company will design and construct a high‑efficiency energy centre featuring Jenbacher gas CHP units, boilers, and hot water storage.
Clarke Energy Tunisia Commissions New Cogeneration System for Tunifries
Clarke Energy Tunisia has commissioned a new high-efficiency cogeneration system at Tunifries, supporting energy efficiency, operational resilience and reduced emissions within Tunisia’s agri-food sector.
Clarke Energy Participates in IIT Madras Workshop on Compressed Biogas
Clarke Energy participated in the IIT Madras workshop on Compressed Biogas, sharing insights on biogas upgrading and gas-to-power solutions. Meet us at Stall 3E30 at India Energy Week 2026.
Grid Resilience Policy and the Growing Case for Onsite Gas Peaking at U.S. Data Centers
Grid constraints and resilience policy are reshaping U.S. data-centre power strategies, strengthening the case for limited-hour onsite gas peaking as part of a flexible, reliable energy mix.
First Cogeneration Project in the Aquaculture Sector in Tunisia Installed at Nutrifish Tunisia
Clarke Energy commissions the first cogeneration project in Tunisia’s aquaculture sector at Nutrifish Tunisia.
Lithium Iron Phosphate BESS – The State of Charge Challenge
As lithium iron phosphate (LFP) batteries become the dominant chemistry for large-scale battery energy storage systems, accurate state-of-charge (SOC) estimation has emerged as a critical challenge. Due to LFP’s flat voltage profile, traditional SOC methods can struggle to deliver the precision required for reliable dispatch, compliance and revenue optimisation. This insight from Clarke Energy explores why SOC accuracy matters, the limitations of conventional approaches, and how advanced estimation strategies can unlock better performance from LFP-based BESS assets.
Clarke Energy Nigeria Wraps Up 2025 with a Fantastic Year-End Awards Celebration
Clarke Energy Nigeria marked the end of 2025 with a year-end awards celebration, recognising employee achievements, long service milestones, and the teamwork that defined a successful year.
Clarke Energy Australia Spreads Christmas Cheer at Staff Children’s Picnic
The picnic offered an opportunity for families to spend relaxed time together and enjoy the holiday season outside of the work environment.
Clarke Energy Celebrates Continued Collaboration with Enviro NZ at Hampton Downs Christmas BBQ
Clarke Energy and Enviro NZ came together at Hampton Downs for a Christmas BBQ, celebrating a year of strong collaboration, reliable landfill gas-to-energy operations and continued commitment to renewable power generation.
Wilga Park Power Station Featured in Sky News Narrabri Spotlight
Sky News’ Narrabri special has highlighted the importance of the Wilga Park Power Station in supporting regional energy security, with Clarke Energy’s long-term engineering and service expertise playing a crucial role in its performance.
60,000-Hour Jenbacher 620 Long Block Exchange Completed for United Utilities
Clarke Energy has completed a 60,000-hour Long Block Exchange on a Jenbacher 620 engine for United Utilities, delivering a fully reconditioned, performance-tested unit within just four weeks.
Celebrating Success at the COGEN Europe Awards 2025
Clarke Energy is delighted to announce that two team members have been honoured at the COGEN Europe Awards 2025 for their leadership and innovation in advancing high-efficiency CHP projects across Europe.
Clarke Energy Recognised with Award from AMPS for Outstanding Apprenticeship Programme
Clarke Energy has won the AMPS (Association of Manufacturers of Power Systems) Apprenticeship Programme of the Year Award
Clarke Energy India Reinforces Its Commitment to Sustainable Bioenergy at REI Expo 2025
We extend our heartfelt thanks to everyone who visited our booth and contributed to the vibrant discussions.
Clarke Energy and INNIO Collaborate on Landmark Project with Statera Energy to Support UK Grid Stability
Thurrock Power, a 450MW flexible generation plant, will support grid stability and power up to 1 million UK homes once fully operational.
Clarke Energy Commissions Jenbacher J320 Generator for AB Lime, New Zealand
Clarke Energy has commissioned a Jenbacher J320 containerised generator unit for AB Lime in Southland, New Zealand. The project strengthens landfill-to-energy capability in the region and supports AB Lime’s commitment to sustainable waste management.
Clarke Energy Powering Energy Resilience in Partnership with Strike Energy at South Erregulla Peaking Power Plant
Clarke Energy is delivering 20 high-efficiency Jenbacher gas engines to Strike Energy’s South Erregulla Peaking Power Plant in WA
Empowering People and Culture: Introducing Georgia Harrison, HR Manager at Clarke Energy Australia
Clarke Energy Australia welcomes Georgia Harrison as HR Manager, bringing over 22 years of experience in human resources and people management. Her leadership will further strengthen our focus on people, performance and progress.
How Agricon West Africa Turned to Gas-Powered Energy to Drive Food Production
Discover how Agricon West Africa cut energy costs by 60% with a power plant driving sustainable rice production in Nigeria.
Clarke Energy Commissions First Membrane-Based Biogas Upgrader in India in Parallel With UK-India Trade Delegation
Clarke Energy, a Rehlko company, has successfully commissioned its first membrane-based biogas upgrading plant in India
Kinsley Energy Systems to Acquire Clarke Energy USA’s Northeast CHP Business
Kinsley Energy Systems has acquired Clarke Energy USA’s CHP division, formerly CoEnergy America, enhancing our Northeast presence and delivering reliable, efficient energy solutions for customers.