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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 2026-01-13 Regulatory Filings
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
Hindlip Makes Significant Construction Progress
Regulatory Filings Classification · 98% confidence The document is an RNS (Regulatory News Service) announcement from Quantum Data Energy PLC. It contains two primary pieces of information: a project construction update (operational news) and a formal announcement regarding the issuance of new ordinary shares to settle a creditor balance. While it contains operational updates, the core regulatory action is the issuance of new shares, which falls under the 'Share Issue/Capital Change' category. The document is not a report publication announcement (RPA) because it provides the actual details of the share issuance rather than just announcing the availability of a separate report.
2026-01-13 English
Record Generation and Revenues For 2025
Regulatory Filings Classification · 98% confidence The document is an RNS (Regulatory News Service) announcement from Quantum Data Energy PLC. It contains two primary components: first, an operational update regarding record electricity generation and revenues for the 2025 fiscal year (Earnings Release/Operational Update), and second, a formal notification of issued share capital and total voting rights (TVR) following the exercise of warrants. While it contains operational highlights, the inclusion of formal share capital changes and the RNS format makes it a regulatory announcement. Given the primary focus on the financial performance and the subsequent capital structure update, it fits best as an Earnings Release (ER) as it announces the financial results for the period.
2026-01-06 English
QDE CEO Interview & Publication of Business Video
Regulatory Filings Classification · 98% confidence The document is a short press release (under 5,000 characters) distributed via the RNS (Regulatory News Service) platform. It announces the availability of a CEO interview and a business video on external platforms. It does not contain primary financial reports or regulatory filings, but rather serves as a general corporate update/announcement. Given the 'Menu vs Meal' rule and the nature of the content, it falls under the RNS category.
2025-12-18 English
2025 A Remarkable Year in Review
Regulatory Filings Classification · 98% confidence The document is an RNS (Regulatory News Service) announcement from Quantum Data Energy PLC titled '2025 A Remarkable Year in Review'. It provides a summary of key milestones, operational progress, and financial highlights for the year 2025. It is not a full annual report (10-K) or a quarterly report (IR), but rather a corporate update/press release summarizing performance. Since it does not fit into specific categories like 'Earnings Release' (which focuses on specific financial results) or 'Management Reports' (which are typically part of a larger filing), it falls under the 'Regulatory Filings' (RNS) category as a general corporate announcement.
2025-12-16 English
Electricity Generation and Revenues Surge
Regulatory Filings Classification · 98% confidence The document is an RNS (Regulatory News Service) announcement from the London Stock Exchange regarding operational performance updates for a specific power asset (Pyebridge). It provides key performance indicators such as electricity generation and revenue figures for an 11-month period. It does not constitute a full financial report, audit, or proxy statement, but rather a periodic operational update released via a regulatory news service. As it is a general regulatory announcement that provides operational highlights rather than a formal quarterly/interim financial report, it falls under the RNS category.
2025-12-09 English
Significant Progress with Funding at Project Level
Share Issue/Capital Change Classification · 100% confidence The document is an RNS (Regulatory News Service) announcement from Quantum Data Energy PLC. It covers two primary topics: 1) A business update regarding progress on growth funding for power projects, and 2) A formal notification of issued share capital and total voting rights (TVR) in accordance with DTR 5.6.1. While it contains business updates, the inclusion of the formal TVR disclosure and the nature of the RNS distribution makes it a regulatory filing. Since it does not fit into a single specific category like 'Earnings Release' or 'M&A', and serves as a general regulatory announcement, 'RNS' is the most appropriate classification.
2025-12-02 English

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