Manifesto

The Grid is Growing Up

The future of energy is already settled. We are moving from a world of distant, fragile power plants to a decentralized web of millions of independent nodes. The traditional grid will remain, but its role is shifting—from a central commander to a supporting backbone. The era of energy-sovereign homes and neighborhoods has arrived.

We see this not as a disruption, but as an evolution. The grid is growing up, and it starts on your roof and in your garage.

01

The Hardware: Inevitable Commoditization

Your home is already full of solid engineering. Solar inverters, batteries, and high-end air conditioners are built to do their jobs reliably. But they have reached a functional dead end.

Manufacturers of heavy hardware have no incentive to talk to each other. To them, your home is a collection of silos. Regardless of the brand, your heat pump or inverter is currently just a tool—like a hammer or a screwdriver. It does one thing, but it has no awareness of your needs or the world outside. The change is inevitable: value is moving from the "muscle" of the hardware to the "brain" of the software.

02

The Passport

This shift requires an entry point. We call it The Passport. It is a small, purple box, roughly the size of two matchboxes. It features a single, white "breathing" light to let you know the system is active.

We designed it to sit on a LEGO base because it’s effective and fun. Infrastructure can be fun.

Crucially, The Passport is not a luxury gadget. To have a real impact, it must be mass-market, affordable, and earn or save you multiples of its cost. Less gadgetry, more impact. It is a piece of engineering intended for every home. We really mean every home, like a fusebox.

03

The Long Game

This transition will take decades to perfect. At GridPassport, we are building for a generation. We have the patience to get the engineering right.

Our roadmap is a two-step progression toward a cooperative world:

  1. The Home: Synchronize the high-powered hardware inside your walls.
  2. The Grid: Connect those homes so they can balance the world’s energy together.

We start where the impact is highest: solar inverters, home batteries, and air conditioning. Once we have mastered the orchestration of these assets, we will move to heat pumps and EV chargers. We are making the most important things finally make sense.

Founders

Twenty-Five Years of Preparation

Kamil Janiszewski and Filip Miłoszewski at a Listonic event.
Kamil Janiszewski and Filip Miłoszewski at a Listonic event.

GridPassport is led by Kamil Janiszewski and Filip Miłoszewski.

We have been friends for 25 years and professional partners for nearly 20. In a world of fleeting startups, this stability is our foundation. Kamil brings a deep passion for electronics and the business strategy required to scale infrastructure; Filip leads the consumer product vision, ensuring that complex engineering feels as intuitive and essential as a physical object.

Under Filip’s guidance, our team has created applications awarded for excellence by Apple and Google and used by millions of people worldwide—including Listonic, a global benchmark for consumer utility.

Having spent two decades merging heavy technology with human habits at scale, we feel ready for something this large, this important, and this exciting. GridPassport is the culmination of everything we have learned. It is the neural system for the next era of energy.

The first version of GridPassport has been active in one home since January 1st, 2026. It is a true V1—raw and evolving—but the evidence is already in. The data is clear: First, it is fun. Second, it automates comfort that used to be a manual chore. Third, it brings real savings: we expected 15–26%, and we got over 50%. Our architecture works. We didn't just build a prototype; we built a functioning piece of the future.

Join the Evolution

The future of energy is already settled.

We are simply building the Passport to get there. If you share our patience and our vision for the heavy side of the smart home, join the evolution.