Prototype financing round

When the prototype is ready, we will invite politicians and industrialists from all over the world to demonstrate our solution in the field of housing and energy.








A house with a double garage only has 51 kW peak photovoltaics. With this settlement structure, this increases to 82 kW peak per home.

We don't want to become the 293rd house building company in Austria, we have much bigger plans. We already have some international contacts, but they are only useful if we can invite these people to the prototypes to show our solutions.

In May 2024, for example, one of our shareholders made initial contact with a large company in Ghana. The CEO said that there was a shortage of around 2 million housing units in his home country and he was very impressed by the idea that 3 km² of energy-optimized settlement area could already operate a cement factory with an annual production of 500,000 tons purely electrically. Our houses don't need concrete, but concrete is an ideal material for road construction. But as long as we don't have our prototype, all these efforts are useless.

  What should the prototype be able to do?


House and double garage with 51 kW peak photovoltaics, 130 to 140 kWh electricity storage, 20 kW grid connection. The energy system pays for itself by selling electricity on the spot and balancing energy market. It demonstrates potential savings in grid expansion because the grid connection only corresponds to 39% of the peak photovoltaic output. The 73 m² living space is heated or cooled via a 17 mm air gap in the floor, walls and ceiling. Due to climate change, comfortable cooling is becoming increasingly necessary further north.

With very many air source heat pumps, the power supply in residential areas would have to be designed for only a few days with very cold weather. We show how this problem can be solved cost-effectively. Range anxiety with electric cars? Even our prototype will have an 80 kW CCS fast charger supplied directly via the electricity storage system. By selling electricity to drivers, the homeowner can benefit even more from the home's energy system. When the spot market price is below 0, drivers will be happy about "Happy Hour: only 15 cents kWh".

The utility value of the house is enhanced by drawers as a cellar replacement and movable wall-mounted furniture elements are far above what you would otherwise expect from 73 m² of living space.

  How should the prototype be produced?


I found a company for lightweight steel construction technology at the Munich construction fair in January 2025. I visited them in Banska Bistrica on February 19 together with the shareholder who owns a few hectares in Prince George Canada: "We have found our Magna". Just as BMW, Jaguar and Toyota have 5 car models manufactured by Magna, we will be commissioning this company.

This visit reduced "We need 4 million for a factory building in the new industrial estate in Unken, but this has not even been approved for an indefinite period because of rare lizards" to "We need 400 thousand for the prototype".

  Company valuation on May 21, 2025


How do you determine the value of a start-up? Firstly, I have no idea about valuation methods and secondly, as CEO and founder, I am clearly biased. So I asked Grok, X's artificial intelligence, for a company valuation. Why Grok in particular? Because you can upload images and PDFs to X with a Premium membership.

The discussion about company valuation can be divided into 3 groups: Markets, technology and favorable purchasing:

  Markets


  • NDA on negotiations with a large company in Ghana that supports Afrika Vision
  • One shareholder has several hectares in Prince George Canada
  • Spot market prices are very high in all former Eastern bloc countries and Greece on sunny days in the evening
  • Affordable with a household income of € 3,000

  Technology and its possibilities


  Favorable purchase


  Share dramatically undervalued


  Lower limit Upper limit
May 2025 10,000,000 € 50,000,000 €
Prototype end of 2025 40,000,000 € 140,000,000 €
Saleable product summer 2026 300,000,000 € 900,000,000 €


All documents used in the discussion can be downloaded here:

  Share price by milestone principle


The share is currently drastically undervalued. Every milestone towards realization increases the share price. So don't wait and see: "When the prototype is ready, I'll buy shares". Of course you can do that too, but the share price will rise many times over by the time the prototype is built.

  Examples of planning work with Grok from X.com


You can rummage through all the calculation methods, laws and standards. You can commission specialists to deal with these issues. But good specialists don't usually work for free. But you can also save time and money by consulting Grok.

A few years ago, for example, I would have called one of my former web design clients, for whom I created a website for their ventilation system company. Today, I just ask Grok.

Here are the last 3 discussions with Grok:

And another discussion, how Grok rates Lilium.
GEMINI next Generation AG (Inc.) GEMINI next Generation AG (Inc.)
We improve the world through Climate Protection Superiority Houses. Our mission statement: planet renovation back to 350 ppm CO2, we contribute house by house.


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Home ownership cheaper than rental apartment
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Our proposals and topics for discussion with policymakers
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Housing turnaround and energy turnaround Housing turnaround and energy turnaround
Urbanization has been underway since the 1st industrial revolution. An efficient energy transition and a higher standard of living require a reversal of this trend.


The fundamentally different philosophy behind the product
The way of thinking determines which product developments are possible at all. Mental barriers can be much more important than technical ones.


2022 Establishment of a corporation to 1. capital increase
The foundation of GEMINI next Generation AG and the preparation for the first capital increase. Step by step on the way to the next big disruption that redefines what a house must be able to do.


2023 from research and development towards realization
The goal for 2023 is to prepare for the construction of the first factory hall in Unken in 2024 and the remaining development work on the house and production technology.


2024 Capital increase and cooperations for the development of components
The goal for 2024 is to achieve the necessary capital increase, cooperation for the development of components and the prepare for the construction of the first factory building in Unken in 2025.


2025 less capital required and faster realization
A meeting at the Munich construction fair with a company from Banská Bystrica brings a big leap forward towards the realization of the prototype.




  2025 less capital required and faster realization


A meeting at the Munich construction fair with a company from Banská Bystrica brings a big leap forward towards the realization of the prototype.

More than just a house - a way out of a nightmare More than just a house - a way out of a nightmare
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Lecture at the CORP.at conference at the Joanneum Lecture at the CORP.at conference at the Joanneum
On 16 April 2025, I gave a presentation at the CORP conference in Graz on energy-optimized settlement areas and the overall scope of our project.


Even more photovoltaic peak power Even more photovoltaic peak power
The efficiency of photovoltaics for the mass market has increased further. The GEMINI standard house with double garage exceeds 50 kW peak for the first time.


Thuringia Investor Days Thuringia Investor Days
Solutions for affordable and comfortable living, functional and cost-optimized energy transition are undesirable. But what are the criteria then?




          Prototype financing round: When the prototype is ready, we will invite politicians and industrialists from all over the world to demonstrate our solution in the field of housing and energy. https://gemini-next-generation.house/2025/prototype-financing.htm