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Mast Energy Developments PLC — Investor Relations & Filings

Ticker · MAST ISIN · GB00BMBSCV12 LEI · 213800HFVHGJ9YGO9F71 IL Electricity, gas, steam and air conditioning supply
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Filings indexed 202 across all filing types
Latest filing 2025-10-14 Earnings Release
Country GB United Kingdom
Listing IL MAST

About Mast Energy Developments PLC

https://med.energy/

Quantum Data Energy PLC, formerly Mast Energy Developments PLC, is an energy holding company that acquires, develops, and operates a portfolio of flexible, small-scale power generation projects. The company has strategically shifted its focus to become a specialized provider of power supply for the high-demand artificial intelligence (AI) data centre market. Its core activity involves developing reserve power assets tailored to meet the significant and growing energy requirements of AI infrastructure.

Recent filings

Filing Released Lang Actions
Pyebridge FlexGen Power Asset Revenues Surge
Earnings Release Classification · 100% confidence The document is an RNS (Regulatory News Service) announcement from Mast Energy Developments PLC. It provides a summary of operational and financial performance highlights for a specific asset (Pyebridge) for the third quarter of 2025. While it contains financial data, it is an initial announcement of performance highlights rather than a full quarterly report or a formal earnings release document. Given the RNS format and the nature of the content (a corporate update on operational performance), it falls under the category of a general regulatory announcement. 9M 2025
2025-10-14 English
Hindlip Project Significant Construction Progress
Share Issue/Capital Change Classification · 100% confidence The document is an RNS (Regulatory News Service) announcement from Mast Energy Developments PLC. It covers two primary topics: a project update regarding the construction progress of the Hindlip power project and a formal announcement of an application for a block listing of shares. Since the document contains specific corporate updates and regulatory notifications regarding share issuance and project milestones, it falls under the general regulatory filing category.
2025-10-07 English
AI Datacentre Power Supply JVA Completed
Regulatory Filings Classification · 98% confidence The document is an RNS (Regulatory News Service) announcement from Mast Energy Developments PLC. It covers multiple corporate events: the execution of a joint venture agreement (M&A/Strategic Partnership), the exercise of cash warrants leading to a new share issue (Share Issue/Capital Change), and a change of registered office. While it contains elements of M&A and capital changes, the document is a general regulatory announcement issued via the London Stock Exchange's RNS platform. Given the mix of topics and the primary nature of the filing as a regulatory disclosure, 'RNS' is the most appropriate classification.
2025-09-30 English
Pyebridge Income Boost -15-yr. Cap. Mkt. Contract
Regulatory Filings Classification · 100% confidence The document is an official announcement issued via the London Stock Exchange's Regulatory News Service (RNS). It details a specific operational update regarding a 15-year Capacity Market contract for the company's Pyebridge power asset. Since it is a corporate announcement regarding business operations and financial outlook rather than a full report, and it is distributed via the RNS platform, it falls under the category of general regulatory announcements.
2025-09-23 English
AI Investment Surge Validates MAST’s AI Vision
Share Issue/Capital Change Classification · 100% confidence The document is an RNS (Regulatory News Service) announcement from Mast Energy Developments PLC. It covers two primary topics: a strategic update regarding the company's AI datacentre power supply vision and a formal notification regarding the application for block listing of shares and the exercise of warrants. While it contains strategic information, the core regulatory action is the share capital change and block listing application. According to the filing definitions, announcements regarding new share issues, stock splits, or capital changes fall under 'SHA'.
2025-09-17 English
AI Datacentre Power Supply Strategy Target of 1 GW
Regulatory Filings Classification · 100% confidence The document is an official announcement from Mast Energy Developments PLC regarding a new corporate strategy focused on AI datacentre power supply. It is distributed via the London Stock Exchange's RNS (Regulatory News Service) and contains inside information under UK MAR. Since it is a general corporate announcement detailing a strategic shift and business development rather than a specific financial report, dividend notice, or governance filing, it falls under the 'Regulatory Filings' category.
2025-09-16 English

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