Span envisions a future where residential energy management is intelligent, adaptive, and seamlessly integrated with the renewable energy landscape. By revolutionizing traditional electrical panels, we aim to place the power of deep energy insight and control directly into the hands of homeowners, enabling smarter energy consumption and resilience.
Our mission is to catalyze a transformation in home energy infrastructure, supporting the rapid adoption of renewables and advanced energy storage solutions. Through innovative hardware and software integration, we empower users to optimize energy use, reduce costs, and contribute meaningfully to a sustainable energy future.
Span is building the foundational technology for connected power ecosystems, where every home becomes a proactive participant in energy conservation and grid stability. Our intelligent panels and ecosystems represent a shift towards a cleaner, more controlled, and deeply informed way to harness and manage home energy.
Our Review
We've been tracking Span for a while now, and honestly, it's one of those companies that makes you wonder why nobody thought of this sooner. They're essentially taking the dusty old electrical panel in your basement — you know, that metal box with circuit breakers that hasn't changed much since the 1960s — and turning it into the smart hub your home actually needs.
The Tesla Connection That Actually Makes Sense
What caught our attention first was Span's founding team. These aren't just random startup folks — they're veterans from Tesla, Google Nest, Amazon, and Sunrun. When you see that kind of talent concentration, especially from companies that actually understand both hardware and energy systems, it's usually a good sign.
The product itself feels like what would happen if Tesla designed your electrical panel. Instead of just flipping breakers when something goes wrong, Span's smart panel gives you real-time data on every appliance and room in your house.
Why This Actually Solves Real Problems
Here's where Span gets interesting: they're not just adding WiFi to an old product and calling it "smart." The panel automatically disconnects from the grid during outages and lets you prioritize which appliances get power from your battery backup. Want to keep the fridge running but turn off the pool pump? Done.
We're particularly impressed with their approach to solar and battery integration. While most homeowners struggle with clunky interfaces from multiple vendors, Span works with Tesla, Enphase, and pretty much every major battery system out there. It's like having a universal remote for your home's energy.
The Reality Check
That said, this isn't a simple plug-and-play upgrade. You're looking at a significant electrical installation that requires a licensed electrician and probably a few thousand dollars. But for homeowners serious about energy independence — especially in places like California and Hawaii where Span's already gaining traction — the investment starts to make sense.
The company's partnerships with Sunrun and Mitsubishi suggest they're building real market momentum, not just Silicon Valley hype. With over 80 installations in Hawaii alone, they're proving the concept works in real homes, not just demo videos.
Feature
Smart electrical panels with real-time energy monitoring
Remote control and management via SPAN Home App
Integration with solar, battery storage, EVs, and HVAC systems
Power prioritization during outages
Grid health monitoring and automatic disconnection
Compatible with Tesla, Enphase, and other battery systems
UL 1741 PCS safety certified for indoor/outdoor use
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