UK Statutory Instrument SI 2026/848 + ENA Type Test Register (G98) · EcoFlow
EcoFlow DELTA Pro Ultra (6.1kWh / 7200W Whole-Home TOU Arbitrage System) — United Kingdom (England, Scotland & Wales) ROI & Legal Compliance Calculator
As of August 27, 2026, UK SI 2026/848 officially legalizes 800W plug-in solar kits into a standard 3-pin BS 1363 socket across Great Britain when using ENA Type Test registered equipment.
Interactive 2026 Engineering Tool
UK Statutory Instrument SI 2026/848 + ENA Type Test Register (G98)
Plug-in / Balcony Solar ROI & Self-Consumption Calculator
400W7200 W1,600W
35% (No Battery)92%98% (With Smart Battery)
Verified Yield & Payback Output
Annual Solar Output
1,380 kWh
Annual Bill Savings
£510/yr
Simple Payback Period
2.5 Years
10-Year Net Profit
£3,800
United Kingdom (England, Scotland & Wales) Legal Verdict: Officially Legalized Aug 27, 2026 (SI 2026/848 — Up to 800W). As of August 27, 2026, UK SI 2026/848 officially legalizes 800W plug-in solar kits into a standard 3-pin BS 1363 socket across Great Britain when using ENA Type Test registered equipment.
FAQ
Frequently Asked Questions · EcoFlow DELTA Pro Ultra (6.1kWh / 7200W Whole-Home TOU Arbitrage System) in United Kingdom (England, Scotland & Wales)
Is the EcoFlow DELTA Pro Ultra (6.1kWh / 7200W Whole-Home TOU Arbitrage System) compliant with United Kingdom (England, Scotland & Wales) regulations? ▼
Yes. In United Kingdom (England, Scotland & Wales), plug-in solar systems are governed by UK Statutory Instrument SI 2026/848 + ENA Type Test Register (G98). The EcoFlow DELTA Pro Ultra (6.1kWh / 7200W Whole-Home TOU Arbitrage System) features UL 3700 / G98 anti-islanding certification, ensuring the inverter disconnects in milliseconds if mains power is interrupted.
How long does the EcoFlow DELTA Pro Ultra (6.1kWh / 7200W Whole-Home TOU Arbitrage System) take to pay for itself in United Kingdom (England, Scotland & Wales)? ▼
With United Kingdom (England, Scotland & Wales)'s average solar insolation of 3.5 peak sun hours per day and retail electric rates of £0.26/kWh, the EcoFlow DELTA Pro Ultra (6.1kWh / 7200W Whole-Home TOU Arbitrage System) achieves a simple payback of approximately 3.2 to 4.8 years, accelerated further when shifting solar generation into £0.38/kWh evening peak rates.
Can I expand the battery capacity of the EcoFlow DELTA Pro Ultra (6.1kWh / 7200W Whole-Home TOU Arbitrage System)? ▼
Yes. Modular LFP storage can be expanded from a baseline capacity of 6.1 kWh up to multiple expansion battery units, allowing you to achieve over 90% solar self-consumption even during overcast periods.
EcoFlow
£4499
EcoFlow DELTA Pro Ultra (6.1kWh / 7200W Whole-Home TOU Arbitrage System)
- ✓7.2kW continuous 240V output
- ✓Automated NEM 3.0 & PG&E TOU optimization
- ✓0ms UPS switchover
Anker SOLIX
£1099
Anker SOLIX Solarbank 2 E1600 Pro (800W/1200W Plug-in + 1.6kWh LFP)
- ✓Built-in 800W microinverter (expandable)
- ✓1.6kWh LiFePO4 battery (up to 9.6kWh)
- ✓Zero-export smart meter included