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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 2025-04-30 Report Publication Anno…
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
Annual Financial Report
Report Publication Announcement Classification · 95% confidence The document is an 'Audited results for the year ended 31 December 2024' announcement from Mast Energy Developments PLC. While it contains a financial summary and a Chairman's report, the text explicitly states that it is an announcement of the results and that the 'full Annual Report and Financial Statements' can be found on the company's website. It follows the standard format of an RNS (Regulatory News Service) announcement, which serves as a summary and a notification of the availability of the full report. According to the 'Menu vs Meal' rule, this is a report publication announcement rather than the full 10-K/Annual Report itself. FY 2024
2025-04-30 English
Holding(s) in Company
Major Shareholding Notification Classification · 100% confidence The document is a 'TR-1: Standard form for notification of major holdings' filed by Mast Energy Developments PLC. It details a change in share ownership by RiverFort Global Opportunities PCC Ltd, crossing a reporting threshold. This is a classic 'Major Shareholding Notification' (MRQ) as defined in the filing categories.
2025-04-17 English
£5m Definitive Investment Agreement Signed
Regulatory Filings Classification · 98% confidence The document is an official announcement from Mast Energy Developments PLC regarding a new £5m investment agreement with Powertree and updates on Capacity Market contracts. It is distributed via the London Stock Exchange's RNS (Regulatory News Service). While it contains financial details, it is an initial announcement of corporate activity (financing and operational updates) rather than a full financial report or a simple report publication notice. Therefore, it falls under the category of Capital/Financing Update (CAP) as it details a significant investment agreement and capital structure changes.
2025-03-20 English
Record High January Revenues
Earnings Release Classification · 99% confidence The document starts with 'RNS Number' and is dated 11 February 2025. It announces 'Record High January Revenues' and provides preliminary trading figures for January 2025 and reconciled figures for December 2024 for the Pyebridge asset. This structure—an immediate announcement of recent operational/financial highlights, often referencing specific regulatory frameworks like UK MAR ('This announcement contains inside information for the purposes of the UK version of the Market Abuse Regulation')—is characteristic of a regulatory news service release. Since it is an initial announcement of period results (revenue highlights) rather than a comprehensive quarterly report (IR) or a full annual report (10-K), it fits best as an Earnings Release (ER). However, the presence of the RNS header and the nature of the announcement (operational update with financial metrics) also strongly suggests it is a general regulatory filing disseminated via RNS. Given the options, 'ER' (Earnings Release) captures the content focus (revenue update), but 'RNS' (Regulatory Filings) is the mechanism and a strong fallback for non-standard, brief regulatory updates. Since this is a specific operational/revenue update, ER is more precise than the general RNS fallback, although it is clearly an RNS distribution. I will classify it as ER because it is an 'Earnings Release' type of announcement, even if distributed via RNS. Q1 2025
2025-02-11 English
New Website Launch
Regulatory Filings Classification · 98% confidence The document is a short announcement disseminated via RNS (RNS Number: 6981U) on January 27, 2025. The content explicitly states that the company is 'pleased to announce the launch of its new website' and mentions that the new website 'contains MED's latest corporate presentation.' Since the document is very short (3437 characters) and its primary function is to announce the publication/availability of other materials (the new website and the corporate presentation), it fits the definition of a Report Publication Announcement (RPA) according to the 'MENU VS MEAL' rule. While it mentions a corporate presentation (IP), the filing itself is the announcement of that publication.
2025-01-27 English
Record High Sales Price Achieved
Earnings Release Classification · 99% confidence The document begins with 'RNS Number : 9574S' and is dated 13 January 2025. It contains operational and preliminary financial updates ('Record High Electricity Sales Price Achieved & Revenues Update') for the period ending December 2024, including specific revenue figures and operational milestones. The closing section explicitly states, 'This announcement contains inside information for the purposes of the UK version of the Market Abuse Regulation (EU No. 596/2014) as it forms part of United Kingdom domestic law...' and is distributed via 'RNS, the news service of the London Stock Exchange.' This structure strongly indicates a routine regulatory news service announcement. Since the content is an update on recent performance and operational progress, it is not a full Annual Report (10-K) or a comprehensive Interim Report (IR). It is a specific operational/financial update released via the regulatory news wire. Given the options, 'Regulatory Filings' (RNS) is the most appropriate general category for a standard LSE regulatory news service release that doesn't fit a more specific financial report type, although it contains elements of an Earnings Release (ER) or Management Report (MDA). However, the primary function here is the regulatory dissemination via RNS. H2 2024
2025-01-13 English

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