Why Battery Storage?
There are many reasons why you would install a battery storage system in your home. If you have a PV array already in place, then it is likely that you are exporting up to 80% of that energy back to the grid. This is your energy that you have generated for free – and you get paid for generating that energy regardless of whether you use it or export it. By storing this surplus production for use later in the day you can increase ‘self-consumption’ to in excess of 80%, drastically reducing your reliance on the grid and driving down your energy bills. Switch to solar battery storage today.
No Solar? No Problem!
Domestic energy storage is not just for those that have generation assets like solar panels. You can install a battery system and benefit from ‘rate arbitrage’ – charging your batteries overnight on Economy7 and using that energy during peak periods; reducing your bills and offering protection against future energy price rises. All of our systems also have ‘Emergency Power Supply’ functionality – an option that will protect you against power outages.
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We Choose Our Brands Carefully
Eco7 consider the reliability of its products, service and after sales a priority, so we chose our partners very carefully. We choose partners that are financially strong, strategically placed and are able to offer dedicated UK end user support and service. This is why we have chosen Sofar and SolaX as our battery storage and battery storage manufacturing partners; offering market leading storage solutions suitable for every application.
Typical Household Appliances And Usage
The power required to run equipment in the home every day varies with each electrical device. Appliances such as microwaves, irons, toaster ovens and hair dryers require high current for short periods of time. Appliances such as televisions, computers, fans and refrigerators use low current for extended periods of time. For example if all of the following devices are used once a day for the stated time, the total usage will be less than 1,500 watt hours. Installing solar battery storage with 4kWh of usable capacity could power many of your essential devices using free solar energy or energy purchased overnight at off-peak rates.
Run Time Chart
How much energy do appliances actually use?
| Devices | Watts | Time (Minutes) | Usage (Wh) |
|---|---|---|---|
| Microwave | 1200 | 15 | 300 |
| Kettle | 1200 | 7 | 130 |
| Television | 65 | 120 | 130 |
| Fan | 35 | 180 | 105 |
| Computer | 50 | 180 | 150 |
Indicative Pricing
Larger systems available – price on request.
2.4kWh System
Battery Storage
- AC Coupled Battery Storage
- 2.4kWh Capacity
- 3.6kW Charge Controller
- Remote Monitoring
- Intelligent Energy Management
- Charge From Grid Capability
- Fully Installed Price
4.8kWh System
Battery Storage
- AC Coupled Battery Storage
- 4.8kWh Capacity
- 3.6kW Charge Controller
- Remote Monitoring
- Intelligent Energy Management
- Charge From Grid Capability
- Fully Installed Price
How a typical AC-couple storage system works.
7 Reasons To Choose Battery Storage
AC or DC
There are two possible solutions for domestic storage systems – AC or DC coupled.
AC-coupled systems are recommended as a retrofit solution (for those who have PV installed). There is no impact of FIT revenues for those on a high rate (owing to charge/ discharge efficiency losses) and no need to replace the existing DC inverter. They also open up the possibility of charging batteries from the grid to exploit peak/off-peak price differentials and therefore can be installed without PV.
DC-coupled systems would be preferred for new PV installs where the priority is to store surplus solar energy. The round-trip efficiency is greater and any impact on FIT (at current rates) would be negligible. Charging from the grid would still be possible but less efficient and would require a specific metering solution.
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