Lower bills
Reduces hot water bills by up to 40% heating what the home needs.
Solar X
Optimise Your Solar Investment
Mixergy Solar X stores surplus solar energy as hot water, cutting energy bills and emissions. Ideal for housing, new build, and commercial use — smart, efficient, and designed for modern living.
Heat pump ready. Add our Heat Pump Kit and easily connect to a heat pump today or anytime in the future.
Smarten Up Your Solar PV
Maximise use of solar energy by dynamically diverting excess PV into hot water, creating a solar hot water battery.
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Cut hot water energy bills by up to 60% (when integrated with Octopus Agile smart tariff)
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Improve SAP outcomes with Appendix Q recognition
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Support grid flexibility with intelligent energy scheduling
- Heats only what’s needed for faster delivery and less waste, with direct electric or gas
Hot water battery
Automatically diverts excess solar energy to generate hot water
Smart tariffs
Integration with smart tariffs optimises energy costs and balances the grid
Tackling Fuel Poverty in Mid Wales
Mixergy’s smart cylinders and solar PV tech are helping Mid Wales households cut energy bills and carbon emissions, delivering real savings, comfort and sustainability through innovative partnerships.
Mixergy is a year-round solution, so even without the solar PV, the machine learning means they can heat what they need. But with PV topping it up, it means they will virtually have no cost to their hot water bills when the sun is shining.
Harry Bowen, Project Manager at Mid-Wales Property
Technical data
The following table displays technical data for the Solar X Direct Standard cylinders with a capacity of 120-210L. See our full technical details for Slimline, indirect and larger capacity cylinders.
| Sizes | 120-210L |
|---|---|
| Min reheat time (15-64C) | 44 mins |
| Standing heat loss (kWh/24h) | 00.68-1.44 |
| Heat pump compatible | Yes |
| ErP rating | B |
| Standard height (mm) | 986-1526 |
| Standard diameter (mm) | 582 |
| See full technical details | Solar X Datasheet |
Mixergy X
Faster, efficient, and future-ready. The smart, flexible hot water for any energy system.
iHP X
Indoor heat pump cylinder for low-carbon homes with direct electric heating.
Cube X
A compact cylinder designed for tight spaces and ideal for social housing retrofits.
