Customer Overview
A UK homeowner on the EV Saver tariff sought to reduce their high electricity bills, which averaged £320/month. They opted for the DX Energy Home Battery Storage System to optimise energy usage and reduce peak-time charges — without changing their energy supplier or tariff.
Key Features Used
- DX Home Battery System
- DX EV Charger
Saving Summary
- £200+ monthly savings
- No tariff change required
- Fast ROI under 3 years
- Highly satisfied customer
Before vs. After Installation
| Metric | Before Installation | After Installation | Change |
| Avg. Monthly Bill (£) | £320 | £116 | saved £204 |
| Avg. Monthly Usage (kWh) | 1050 kWh | 950 kWh | -100 kWh |
| Day Rate (p/kWh) | 29.9p | 29.9p | No change |
| Off-Peak Rate (p/kWh) | 8.1p | 8.1p | No change |
| Electricity Tariff | EV Saver | EV Saver | No change |
Energy Cost Optimisation
Thanks to smart battery scheduling, the system stores energy during off-peak hours (8.1p/kWh) and powers the home during expensive peak periods (29.9p/kWh), significantly reducing electricity costs.
Return on Investment (ROI) Snapshot
- Monthly Saving: £200
- Estimated Annual Saving: £2,400
- Payback Time: < 3 years
- ROI Year 1: ~480%
Customer Satisfaction
Overall Experience: ★★★★★
“We were amazed by the savings. Very satisfied with sales, delivery, installation, and handover. Everything was well-communicated and seamless.”
— Homeowner, South East England
