Sono Sion: progress made on campaign launched to secure future of solar EV brand

12 Jan 2023

A funding campaign launched by Sono Motors to secure the future of its Sion ‘solar electric vehicle for the masses', has raised more than €40 million (£35 million), the company says. 

In December, Sono’s two founders and joint CEOs, Jona Christians and Laurin Hahn said the firm was yet to gather enough funding from financial markets to put the Sion into production, launching the #saveSion campaign to prevent scrapping the car altogether. 

First shown in 2020 and revealed in full earlier this year, the Sion is scheduled to go into production later this year with a starting price of around £21,700. More than 21,000 people have placed a registration for a Sion, and the firm claims it has lined up a further 22,000 business orders.

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Sono says that ‘progress’ has been made on the campaign, which enabled participants to reserve a Sion EV with a discount of up to €3000 (£2500) on their vehicles price. Payments would only made if the campaign was successful. 

The German solar-EV brand added that due to the high level of interest in the Sion, the firm has received approximately 1200 new reservations for the vehicle since the start of the campaign.

That’s the biggest month-on-month increase in orders in December 2022 since the company went public, according to Sono Motors. 

The €40 million raised so far will be used to invest in the continuing production set-up for the Sion EV. 

Commenting on the funding campaign, Laurin Hahn, CEO and co-founder of Sono Motors said: “Our focus remains on bringing the Sion into production in early 2024 as we further execute our mission of revolutionising mobility by making every vehicle solar.” 

What is the Solo Motor Sion?

The Sion was first shown in concept form in 2020 and takes the form os a large MPV-type crossover. As with other ‘solar-powered’ machines such as the Lightyear 0 and Squad Solar City Car, the solar panels on the Sion actually complement the traditional battery powertrain system. 

The Munich firm says that the 21,000 customers that have placed a private reservation for one of the bold £21,700 machines paid an average deposit of around £1700. 

Sono Motors specialises in solar-powered vehicles, and showed off the Sion SEV and a clever Solar Bus Kit at a recent ‘Celebrate the Sun’ event. 

The Sion has a 54kWh battery, which can be charged at speeds of up to 75kW on a fast charger – and it also offers bi-directional charging as a bonus. But the machine doesn’t just get charged by being plugged in.

The exterior of the Sion features 456 solar half-cells integrated into the shell. Sono estimates they will add up to 18.6 miles of range a day depending on how sunny it is, on average adding 70 miles to the 189-mile range of the Sion per week – which the firm says will result in drivers in urban areas having to charge their vehicles four times fewer than drivers of EVs with a similar battery size.

The final production version of the Sion features a notable pared-back exterior and interior from the earlier concepts, with fewer lines.

The solar panels and battery power a 120kW and 199lb ft motor, and the car has a top speed of 89mph. There's also a big 650-litre boot.

Prices are claimed to start from ‘an estimated’ €25,126 (£21,319). Production is due to begin in late 2023, with manufacturing carried out by Valmet Automotive in Finland. The firm aims to produce 257,000 vehicles per year within seven years.

But Sono isn’t just working on a solar-powered car: it also wants to use the sun to help power buses that are already on the road through a new Solar Bus Kit. It’s offered as a business-to-business retrofit solution, and is designed for the 12-metres public transport buses that are mostly used in Europe. 

The system allows for bus subsystems such as heating and ventilation to be powered partly by solar energy rather than the engine, reducing fuel use and CO2 emissions. Sono estimates a 1.4kW peak system using eight square metres of solar panels could save up to 1500 litres of diesel per bus per year, which would equate to a reduction of up to four tonnes of CO2.

That reduction in diesel usage would allow bus operators to ‘payback’ the cost of the system in three-four years.

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