Store solar energy after sunset with Tesla Powerwall battery storage

Tesla Powerwall is state of the art energy storage technology allowing customers to retain the power they have gernerated with solar panels during daylight hours and continue to use it after dark. They are compact and once installed require very little maintenance. In terms of cost per kWh they are the most affordable on the market. Contact us to find out more about Tesla Powerwall.

Solar power day and night

H2O Renewables are proud to be at the cutting edge of home energy technology. As certified, approved installers for Tesla battery storage we offer state of the art solutions enabling you to continuously power your home with sustainable energy day and night.

With variable tariff energy rates being introduced the system also enables you to draw energy from the grid to store while the rate is cheaper, for use when the tariffs hit the peak rates. The simple system secures low electricity costs for your home which you can control entirely as you need to.

A revolutionary battery for home

Powerwall is a home battery that stores solar energy so you can use it day or night and self-power your home. Giving you the ability to own your energy and reduce your reliance on the grid. Solar generates clean energy and typically more than your house can immediately use. Powerwall stores that excess solar energy allowing you to make solar available on demand. Through the Tesla mobile app, you will have full visibility and control over your self-powered home.

Measuring only 1150 x 755 x 155mm it is a sleek, compact unit which can be mounted on an external wall or indoors as necessary. It is a completely automated system that requires no maintenance once installed. Liquid thermal controls and touch safe technology maximise battery life and safety. With an integrated battery inverter, Powerwall is the most affordable home battery in terms of cost per kWh.

Usable Capacity (kWh)

Standard Continuous Power

Max. Continuous Power (kW)

Year Warranty

H2O Renewables Ltd is now a Tesla Powerwall Certified Installer, which means we now offer a customized solar-plus-battery solution that enables you to access the free, abundant power of the sun and reduces your reliance on fossil fuels.

With Powerwall you can store solar energy generated during the day for use any time. During the day, the sun shines on your solar panels, charging your battery. At night, your home draws electricity from your battery, powering your home with clean, sustainable energy 24/7.

Installing Powerwall with H2O Renewables Ltd is easy. We take care of everything from system design, permitting, installation and follow up other customer service.

Powerwall consists of a 14 kWh lithium-ion battery pack, liquid thermal control system, an integrated inverter and software that intelligently dispatches electricity when it’s needed most. The unit mounts seamlessly on a wall or on the ground, indoors or outdoors, and is connected to the grid to export excess energy, maximizing your opportunity for economic benefit.

Tesla battery storage provides a number of benefits

Increasing self-consumption of solar power generation –Powerwall can store surplus solar energy during daylight hours and use that energy later when the sun is not shining.

Load shifting – Powerwall can charge during low rate periods when demand for electricity is lower and discharge during more expensive rate periods when electricity demand is higher.

Back-up power – Assures power in the event of a grid outage.

Powerwall 2 specs:

Mounting: Wall or Floor Mounted, Indoor/Outdoor
Inverter: Fully integrated Tesla inverter
Usable Capacity: 13.5 kWh
Power: 5 kW continuous, 7 kW peak
Round Trip Efficiency: 90%
Operating Temperature Range: –20°C to 50°C (–4°F to 122°F)
Warranty: 10 years
Dimensions: 1150 mm x 755 mm x 155 mm (45.3 in x 29.7 in x 6.1 in)

Control Your Energy

Get an integrated view of your home’s solar production and energy consumption with the Tesla App.

Monitor Your Powerwall

Seamlessly monitor your Powerwall’s state of charge at any place and any time.


Up to 10 Powerwalls can be used together to increase capacity.


The unit is weatherproof for positioning outside.


There is no danger from touching the unit, it is completely safe.

Contact H2o Renewables here or call 07840 975816

Contact us to find out more

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