kowatek

kowatek

Chibueze Iwuala is a highly experienced information technology professional with a diverse educational background and a wealth of certifications. With a B.Tech and MSc in Information Technology, Chibueze has established a strong foundation in both theory and practical application. His dedication to excellence is evident through his acquisition of industry-recognized certifications such as CompTIA Network+, CompTIA A+, CompTIA Certified IT Operation Specialist, Google Cybersecurity professional certification, ISC2 Certified in Cybersecurity and a Blockchain Security certificate from Udemy. Additionally, Chibueze has authored five books and co-authored three, further demonstrating his commitment to advancing knowledge in the field. These certifications and achievements underscore his commitment to remaining updated with the latest advancements and best practices in information technology and cybersecurity.

Wind on Oʻahu: A Modest but Valuable Complement to Solar

Chatgpt generated: Onshore wind turbines along an Oʻahu ridgeline illustrating existing wind generation on the island.

Support CleanTechnica’s work through a Substack subscription or on Stripe. Any serious discussion of renewable energy on Oʻahu should begin with a clear understanding of how much electricity the island actually needs once fossil fuel end uses are electrified. Earlier…

Published at Solar Energy – Effects of aperture configurations on heat losses in concentrated solar power systems: An experimental study for a semi-cylindrical cavity receiver

Abstract:This study presents a comprehensive experimental investigation into the convective heat losses of a semi-cylindrical cavity receiver, a geometry that holds considerable promise but has been inadequately explored in the context of parabolic trough concentrated solar power systems. The research…

Sunrun solar installs fall in Q4 despite 45% revenue growth

For the full year of 2025, Sunrun reported revenue of US$2.96 billion, up 45% year-on-year, continuing to expand its customer base despite a decline in quarterly installation volumes.  In the fourth quarter, revenue rose 124% to US$1.16 billion, driven primarily by…