We built a Plug-in Home Battery for the 99.7% of us without Powerwalls
Hi HN! I’m Cole Ashman, founder of Pila Energy. I’ve spent my career working on home energy systems—first as an engineer on Tesla’s Powerwall, where I focused on the Backup Gateway, Solar Inverter, and metering systems. More recently, I led Product at SPAN, where we built the Smart Electrical Panel and integrated with most major home solar, EV, and battery systems. Pila (https://pila.energy/) is a home battery that plugs into a standard wall outlet, provides smart backup power, energy shifting, and grid services. It’s more than a power bank—it’s a distributed energy system…
We built a Plug-in Home Battery for the 99.7% of us without Powerwalls launched on March 11, 2025 with 301 votes, #120 of 7,215 launches that month and more than 99% of that year's launches. The site was still online in September 2026, 1 year on.
In plain words
Pila Energy makes a plug-in home battery system that connects to standard wall outlets, offering backup power, energy storage optimization, and grid services without requiring professional installation. Designed for homeowners who want battery backup without expensive fixed systems, it can scale across multiple rooms and buildings while operating as a coordinated network. The system includes an open API for third-party integration with platforms like Home Assistant, allowing users and developers to build custom automation on the hardware.
written from the facts on this page · September 2026
From the sources
Modern battery backup power & smart energy control – designed for your home
The world's first mesh home battery – built to run your whole home as one. Designed for your home. Built for the next decade of energy. 2:14 AM. The block goes dark. Your home doesn't. Pila switches in milliseconds — silent, automatic, ready for anything. Whether you own or rent, Pila connects to a standard wall outlet. No rewiring, no hassle. It belongs in your home — not in a utility room. Pila optimizes your home's energy in the background — tracking solar production, balancing loads, flagging anomalies. Whether you're in the kitchen or 200 miles away. Every battery, working as one — to back you up, lower your bills, and keep your home running. Even when Wi-Fi's out. For homes with…from pilaenergy.com
In the maker’s words, at launch
Hi HN! I’m Cole Ashman, founder of Pila Energy. I’ve spent my career working on home energy systems—first as an engineer on Tesla’s Powerwall, where I focused on the Backup Gateway, Solar Inverter, and metering systems. More recently, I led Product at SPAN, where we built the Smart Electrical Panel and integrated…
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