United Kingdom (England, Scotland & Wales) Plug-in / Balcony Solar Calculator (800W 2026 Guide)
2026 Legal Status: Officially Legalized Aug 27, 2026 (SI 2026/848 — Up to 800W) · Avg Retail Tariff: £0.26/kWh (Peak: £0.38/kWh)
Interactive 2026 Engineering Tool
UK Statutory Instrument SI 2026/848 + ENA Type Test Register (G98)
Plug-in / Balcony Solar ROI & Self-Consumption Calculator
400W800 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.
Compare Compliant Kits for United Kingdom (England, Scotland & Wales) (UK Statutory Instrument SI 2026/848 + ENA Type Test Register (G98))
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
EcoFlow
£999
EcoFlow PowerStream / STREAM 800W Balcony Solar + 2kWh LFP Kit
- ✓Smart plug dynamic load allocation
- ✓Plug-and-play flat MC4 window cable
- ✓App-controlled TOU discharge schedule
Anker SOLIX
£2799
Anker SOLIX F3800 (3.84kWh / 6000W Split-Phase 120V/240V TOU Battery)
- ✓Native 240V NEMA 14-50 output for EV & Home Panel
- ✓Built-in Time-of-Use (TOU) peak shaving mode
- ✓Expandable up to 26.9kWh
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
Model-Specific Payback Pages for United Kingdom (England, Scotland & Wales):
Anker SOLIX Solarbank 2 E1600 Pro (800W/1200W Plug-in + 1.6kWh LFP) in United Kingdom (England, Scotland & Wales)EcoFlow PowerStream / STREAM 800W Balcony Solar + 2kWh LFP Kit in United Kingdom (England, Scotland & Wales)Anker SOLIX F3800 (3.84kWh / 6000W Split-Phase 120V/240V TOU Battery) in United Kingdom (England, Scotland & Wales)EcoFlow DELTA Pro Ultra (6.1kWh / 7200W Whole-Home TOU Arbitrage System) in United Kingdom (England, Scotland & Wales)