Unlock rooftop solar for apartments and
multi-dwelling buildings
Millions of apartment residents have the roof space for solar but, until recently, no way of accessing it.
We didn’t think this was fair, and so we developed a world-first technology, SolShare, which enables the sharing of solar energy from a single rooftop solar system amongst multiple dwellings within the same building.
This breaks down the technical and ownership barriers that have historically prevented apartment residents from accessing cheaper and cleaner energy from the sun.
About the SolShare
Maximised Saving
The SolShare’s sharing algorithm responds to each participant’s instantaneous usage, directing the solar to where it’s needed to maximise consumption and savings.
Tailored for the user
A SolShare system can be delivered in a variety of ways, from pay as you use solar to owning the system outright and receiving solar energy for free.
Stay on market
The SolShare’s behind-the-meter approach means residents can maintain the freedom to choose their electricity retailer.
Each year, a typical SolShare will
Apartment Owners
Learn how you and your neighbours
can save money and the planet with
a SolShare solar system
Social Housing
Learn how the SolShare can be installed on
your apartment buildings, saving your
residents money and increasing sustainability
New Builds
Learn how the SolShare can be used as
a unique marketing opportunity and
increase the value of your development
Case studies
Parkside, SA
This landlord-owned apartment building has a SolShare to increase the attractiveness of the apartments in a competitive rental market.
Chatham, Kent – New Build
The client approached us with the challenge of reaching EPC B for every flat in their development. They had exhausted all reasonable measures when they discovered the SolShare.
With the SolShare they were able to specify the precise kWp associated to each flat. This fidelity enabled them
to add exactly the right number of SAP points to each flat to achieve the goal of EPC Bs throughout the building.
The client was extremely happy to be able to achieve the EPC B in a simple, low cost method.
Cardiff, Wales – Wales & West Housing
The client’s brief was to connect all 24 flats to rooftop solar PV and battery storage. The initial proposal was to connect an individual solar system with individual batteries to each flat. The space requirements for 24 inverters and 24 batteries left the attic as the only place to house the equipment. This was deemed inappropriate by the client and the project ground to a halt.
Upon discovering the SolShare, the solution was able to be dramatically simplified to two inverters, two SolShares connected to 12 flats each. The reduction in hardware enabled the equipment to be installed next to the meter room on the ground floor, green lighting the project. The simplification also reduced the project costs by 25%.
Whetstone, London – New Build
The client’s objective was to develop a building of net-zero flats. To achieve this, solar had to be connected to each flat and funnel any excess energy produced to a heat battery contained within each flat. Space constraints meant that installing 20 individual inverters for each flat was not an option.
The developer learnt about the SolShare and was delighted to learn that just two inverters and two SolShares were needed to connect all 20 flats to solar. All the equipment was easily housed inside a small plant room on the ground floor.
The SolShare solution increased the SAP scores and achieved certified net-zero status for every flat in the building.
Norwood, London – Retrofit
The client wanted to provide solar energy to each of the 6 flats in the building. However, the limited roof space made multiple individual systems infeasible.
The SolShare provided a solution to connect all 6 flats to solar PV while still providing a decent bill saving for each resident.
Our partners
As seen in
“One Step Off The Grid has followed Allume’s progress with its SolShare technology with great interest, as it works to break through the solar ceiling for those consumers traditionally “locked out” of the rooftop solar market, including renters and apartment dwellers.”
- One Step Off The Grid
“As the world’s first behind-the-meter solar sharing technology, SolShare is used to knocking it out of the ballpark, but becoming the first Power Division Control System (PDCS) to be UL certified is a game-changer.”
- PV magazine
“The SolShare is the most efficient system to maximise the use of energygenerated at any given time. It achieves this by supplying energy to where it is needed most, instead of sending it back to the grid.”
- Utility magazine
“Previously we have been limited in the use of solar in multi-occupant buildings such as apartments or offices due to limited roof space, but Allume’s technology allows everyone to use affordable solar power,” said Stuart Penklis, Mirvac's head of residential.
- Australian Financial Review
“People in the past have looked at the tech and tried to crack this and not really been able to,” Mr Lucas said. “We are particularly interested in Allume’s solution. It’s a segment of our customer base that hasn’t traditionally been able to access solar because of the way it’s metered and shared and this goes a long way to solving that physical element."
- The Australian
“Allume sees a huge opportunity for improvement in Australia’s low-income housing space, with state and territory government as well as not-for-profits providing homes for roughly 800,000 people around the country. Putting solar on all of these dwellings – detached, semi-detached and multi-unit – would not only level the playing field for people already at a disadvantage to home owners, but would add another 1,600MW to Australia’s rooftop solar capacity."
- Reneweconomy
Partner with us
Partner with Allume and
significantly expand your solar
market opportunity.
Sustainability
The SolShare is a powerful solution
for achieving your sustainability goals.
Significantly reducing grid energy usage
via renewable solar energy.
News
Multi-Family Solar Arrives: Allume’s SolShare Unlocks Clean Energy Access and Savings
Press release – Los Angeles, CA, April 18th, 2023 Allume Energy today announced the successful deployment of its initial U.S. shared solar energy technology and plans to bring its SolShare solution to all apartments, in particular within low-to-moderate income (LMI) communities across the U.S. By allowing multi-family buildings, including renters, to access the benefits […]
Read More
Clean energy companies band together to slash the cost of living for social housing tenants
MEDIA RELEASE – 28th March 2023 A partnership of renewable energy companies, including Allume Energy, AXITEC Energy, Clenergy and Fronius Australia, has formed to make solar energy for multi-tenant social housing buildings more affordable. As the cost of living in Australia continues to soar, particularly the cost of energy, many Australians are struggling to make […]
Read More
Allume Energy Announces Latest U.S. SolShare Installation in Jackson, MS, Bringing Clean Energy to Low-Income Residents
Press release – 15th March 2023 Allume Energy today announced the successful commissioning of its SolShare clean energy technology at 805 Madison Street, a multifamily building owned and operated by Belhaven Residential in Jackson, Mississippi. This latest U.S. SolShare deployment will help advance solar and behind-the-meter technologies in a market underserved by renewable energy projects. Solar Alternatives, a Louisiana-based solar […]
Read More
$10 billion for Social Housing Electrification
An example of shared rooftop solar for community housing being made possible through previous government funding Net-Zero and how do we get there? There’s been a big focus on national electrification in the public sphere of late. The long term “how we get there” aspect is often considered unknown and constantly changing. […]
Read More