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Latest articles from EnergyMag covering energy, digital mining, and AI infrastructure.
Venture capital firm Andreessen Horowitz (a16z) announced today that it has led a $500 million Series B investment in Nexthop AI, a networking startup designed to build high-performance infrastructure specifically for the artificial intelligence era. The round includes participation from Lightspeed Venture Partners.
Duke Energy expanded its offering of convertible senior notes to $1.3 billion, up from the $1 billion originally anticipated. The company also provided initial purchasers with a 13-day option to buy up to an additional $200 million in notes. The transaction is scheduled to close on March 12, 2026, pending standard closing conditions.
OpenAI plans to incorporate Promptfoo's security and evaluation capabilities directly into its Frontier platform. This move is intended to provide enterprises with systematic tools to test AI agent behavior and identify potential risks before they are deployed into professional workflows. By embedding these features, OpenAI aims to address foundational requirements for security, compliance, and oversight in the operation of AI coworkers.
Duke Energy Corp (CIK: 1326160) has filed a prospectus supplement to facilitate the sale of common stock with a par value of $0.001 per share. The company intends to raise an aggregate gross amount of up to $6 billion through an at-the-market equity offering. This program supplements a base prospectus originally dated September 23, 2025.
Greenidge Generation Holdings Inc. has released preliminary financial and operating results for the fourth quarter and full year 2025, detailing a continued shift from Bitcoin mining toward AI and high-performance computing (HPC) data center infrastructure.
In its latest operational update, Bitfufu reported producing 227 BTC during February 2026, a slight decrease from the 229 BTC produced in January. However, the company's daily production efficiency improved, rising to 8.1 BTC per day compared to 7.4 BTC in the previous month. Cloud mining operations contributed the majority of the output at 190 BTC, while self-mining activities generated 37 BTC.
IREN confirmed the acquisition of over 50,000 NVIDIA B300 GPUs as part of a broader strategy to scale its AI cloud infrastructure. This purchase is expected to bring the company's total hardware fleet to 150,000 units. Management noted that early procurement is intended to accelerate deployment timelines and provide greater certainty for customer agreements in a market currently facing supply constraints.
Core Scientific, Inc. announced its financial and operational results for the fourth quarter of 2025 on March 2, 2026, highlighting a strategic pivot toward high-performance computing (HPC) colocation and a significant expansion of its power pipeline.
Blackstone, a global investment firm, disclosed its intention to create a public vehicle for the purpose of purchasing AI data centers. This announcement was made on February 27, 2026.
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