Household Energy Storage System
Available various solutions for home off grid/ on grid/ and hybrid solar system
Home Energy Storage
Home energy storage devices store electricity locally, for later consumption, also known as “Battery Energy Storage System” (or “BESS” for short), at their heart are rechargeable batteries, typically based on lithium-ion controlled by a computer with intelligent software to handle charging and discharging cycles. Companies are also developing smaller flow battery technology for home use. As local energy storage technologies for home use, they are smaller relatives of battery-based grid energy storage and support the concept of distributed generation. When paired with on-site generation, they can virtually eliminate blackouts in an off-the-grid lifestyle.
Popular models for home storage system,
| Battery Voltage | Battery Capacity | Total Energy |
| 12v | 100Ah | 1280WH |
| 12v | 200Ah | 2560WH |
| 24v | 100Ah | 2560WH |
| 24v | 200Ah | 5120WH |
| 48v | 50AH | 2560WH |
| 48V | 100Ah | 5120WH |
| Other model customizeable, battery also can be put in parallel for high capacity | ||
A solar photovoltaic (PV) system changes sunlight into electricity. Sunlight is caught by the solar panels and converted into usable electricity by the inverter. This can then be used to power appliances in your home directly, or stored in a battery for use later when the sun is not shining. If not used or stored, the excess electricity is directed back to the grid.
How Home Battery Energy Storage Systems Work
- Solar panels convert sunlight to DC (Direct Current) electricity.
- Any surplus DC electricity charges the power system.
- The inverter converts the DC electricity to AC (Alternating Current) for use in the home.
- The inverter can also convert AC to DC to charge the system using cheap off-peak mains power.
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Is Home Energy Storage Right For Now?
For years, many people saw energy storage as a novelty or the preserve of people living off-grid. Now technological developments and the growth of domestic renewable energy mean this is an area with big potential.
Energy storage works well with the idea of the ‘smart home’. Many smart storage systems allow you to keep track of your energy use online and charge the batteries with low rate electricity from the grid if you’re on a tariff that is cheaper at certain times of day, such as Economy 7.
We’re starting to see energy storage playing a role in smart energy management at the grid level. In the future, we could see people using their energy storage devices, including hot water cylinders, to store excess electricity, in return for preferential rates.
Advantages of Home Energy Storage Systems
Renewable
Solar energy is the one of the most effective sources of renewable energy because of the reliable amount of sun the world gets. The ever-advancing technologies that are emerging will continue to harness this source in better, easier and cheaper ways making solar the fastest growing renewable energy source.
Low Maintenance
Once installed, solar panels require very little maintenance. They are generally installed at an angle which allows rain to run off freely, washing dirt and dust away. As long as you keep them from becoming blocked by dirt, solar panels could last for over 25 years with little loss in efficiency.
Efficient
You’ll be contributing to a more efficient way of generating energy. Transmitting energy from power plants across extensive networks to your home inevitably results in energy loss. When your power is coming direct from your rooftop, the loss is minimised, so less energy is wasted.
Clean
The carbon footprint of solar PV (photovoltaic) panels is already quite small and, as the materials used in them are being increasingly recycled, it continues to shrink.
Save Money
Your electricity bills could decrease quite a bit because of the power you are generating and using, and not buying from your supplier.
Use Your Own-Generated Energy
Invest in a home solar battery storage and you could be using your own electricity day and night.
No Permit Required
As solar panels are considered ‘permitted development’ you usually don't need a permit to install them on your roof. There are a few limitations you need to bear in mind before installation.
Independence
Investing in a solar power system makes you less reliant on the National Grid for your electricity. As an energy generator, you can enjoy cheaper electricity throughout the day. And if you invest in battery storage, you could carry on using solar energy after the sun goes down.
Property Value
Solar panels are generally good investment for your home. Current trends in the energy market mean that a home with solar panels (if properly marketed with a focus on fuel savings and tariff payments) could command a higher price in the future than one without.
Are You Ready For Lower Power Bills And A Clean Energy Future?
Home Energy Storage Comes Of Age
Lithium-ion-based residential energy storage has been around for a couple of years. There are also open concepts that work with most solar battery technologies and any existing grid connect inverter.