E.ON Next customers are among the first in Britain to move onto Market-wide Half Hourly Settlement, a key upgrade that records electricity use every 30 minutes instead of monthly reads.
The shift promises more accurate billing, more transparent costs and a platform for innovative time-of-use tariffs that reward flexibility.
The MHHS programme is designed to modernise the electricity market by giving suppliers and system operators a precise picture of when energy is consumed.
With better data, suppliers can price more fairly, while households can identify waste, shift usage to cheaper off-peak windows, and support grid balancing.
Ramona Vlasiu, Chief Operating Officer at E.ON Next, said the change will make energy “fairer and more responsive” and empower customers to choose flexible tariffs that fit their lives.
She added that aligning bills to real-world behaviour can help drive down costs and reward people for supporting the future energy system.
MHHS changes
Migration to MHHS will roll out in stages, with industry-wide completion targeted by May 2027.
Bills will be based on precise interval data rather than averages or estimates. Customers will gain clearer visibility of what they use and what it costs, helping them plan and save.
More personalised tariffs will expand, including time-of-use and EV plans that incentivise off-peak charging and appliance use.
Export customers with solar, batteries, or EVs will see stronger support for flexible, dynamic pricing.
The upgrade also delivers system-wide gains that reinforce the UK’s clean power mission. Half-hourly data improves demand forecasting, helping suppliers optimise operations and cut running costs.
Encouraging off-peak consumption can relieve peak strain on the grid, which in turn reduces the need for expensive backup capacity.
Richer, near-real-time data should also catalyse innovation, from smarter tariffs to automated demand response tools.
Crucially, interval data helps match renewable generation with demand more accurately. Better alignment between wind and solar output and customer usage will reduce curtailment and speed integration of clean power.
As MHHS scales, E.ON Next plans to expand tailored propositions that make the most of half-hourly data.
No half measures: E.ON Next customers begin benefiting from half-hourly meter readings appeared first on Energy Live News.