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Market-Wide Half-Hourly Settlement

Market-Wide Half-Hourly Settlement (MHHS) is reshaping the UK energy market. Explore insights, guidance, and tools to help you convert regulatory change into commercial opportunity and operational excellence. Stay informed. Stay ready.

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Understanding MHHS and What It Means for Modern Energy Retailers.

Market-wide Half-Hourly Settlement replaces estimated profiles with real half-hourly consumption data, tightening settlement timelines and enabling more accurate forecasting, operational efficiency, and innovative tariff design.

ENSEK supports retailers with the platforms, data governance, and automation needed to qualify, migrate, and thrive under MHHS, turning compliance into commercial advantage

Download the MHHS Readiness Checklist


Powering MHHS‑Ready Operations

Enabling digital transformation and accelerating the energy transition

 
Real time data

Billing & Settlement Engine

Designed for MHHS’s four‑month settlement window, ENSEK’s settlement engine automates validation, reconciliation, and exception management. With >99.9% data accuracy and audit‑ready lineage, it ensures financial confidence and protects margin in a data‑intensive environment.

Pie-Chart

Forecasting & Analytics

With half-hourly data replacing estimated profiles, retailers need precise forecasting to hedge effectively and design new tariff models. ENSEK provides granular consumption insights to support smarter trading, optimised product design, and improved customer engagement.

Compliant

Data Governance & Quality Framework

Data accuracy, in a post-MHHS world, represents both a financial risk and an opportunity. ENSEK’s governance framework enhances veracity, ensures compliance, and reduces revenue leakage by delivering consistent, trusted data across billing, settlement, and customer operations.

Workflow

Integration & Market Communication Layer

ENSEK’s cloud‑native integration capabilities streamline MHHS data flows across the new event‑driven Data Integration Platform (DIP), supporting full qualification, migration, and ongoing operational agility.

Frequently Asked Questions about Market-wide Half-Hourly Settlement (MHHS)

What is Market-wide Half-Hourly Settlement (MHHS)?
MHHS replaces profilebased settlement with actual half-hourly consumption data, enabling a more accurate, flexible, and efficient electricity market. It shortens settlement timelines from around 14 months to roughly four, improving liquidity and accelerating reconciliation.
Why is MHHS commercially important for energy retailers?
MHHS enables retailers to use accurate consumption data to develop new tariff models, improve forecasting, shorten cash cycles, and drive product innovation. It transforms compliance obligations into commercial levers that enhance competitiveness.
What challenges does MHHS create for operational teams?
The shift to halfhourly settlement generates billions of data points monthly, making data quality, automation, and exception management critical. Without robust systems, errors and manual interventions can escalate rapidly, harming margins and customer experience.
How does ENSEK support MHHS readiness and compliance?
ENSEK provides marketintegrated SaaS platforms covering billing, settlement, data governance, forecasting, and the new MHHS data flows. We actively participate in industry working groups and invest heavily in qualification and migration delivery.
What role does high‑quality data play under MHHS?
Data accuracy becomes a boardlevel financial risk under MHHS, with potential penalties or rewards tied to performance. Strong data governance helps prevent revenue leakage, reduce audit complexity, and stabilise margins.