
BAY ENERGY
Energy independence for a brighter tomorrow
Modular battery systems for homes, farms and businesses. Built for Nordic conditions. Ready for a connected energy future.
Designed for European homes and Nordics
Modular and scalable as your needs grow
Reliable, safe and cost-efficient
Connected and AI-optimized through BAY EnergyOS
Product family
From residential to commercial — one connected architecture.

BAY Home
10–15 kWh
- Wall-mounted
- Residential homes
- Scalable (add modules)
Compact & elegant
Modern design for everyday homes
Scalable
Add modules over time
Easy installation
Indoor or outdoor-rated

BAY Home+
7–43 kWh
- Outdoor system
- Homes, cabins
- Solar integrated
Integrated solar
Clean energy, off-grid ready
Robust & flexible
Ideal for cabins and harsh conditions
Connectable
Can be aggregated with auto-start

BAY Pro
62–124 kWh
- Outdoor cabinet
- Farms, SMEs
- High energy demand
High capacity
For farms, businesses and microgrids
Robust
Built for Nordic conditions
Scalable
Multiple cabinets / larger installations
Product capacities are working concepts until engineering and supplier configurations are finalized.
Smart Integration
We make proven technologies work together.
Battery storage, power electronics, solar, energy data and smart control already exist. BAY Energy brings proven technologies together into one integrated system — designed around how homes and businesses actually use energy.
Proven components → Smart integration → One customer experience
Storage
Battery capacity matched to customer need.
Power
Inverter / power electronics and system control.
Solar
Use and store locally generated energy.
Energy Data
Real-time consumption and price signals.
Smart Control
Heating, hot water, EV and controllable loads.
Customer Layer
One coherent installation, service and financing experience.