Home battery guide
Microgrids And Home Energy Resilience
A homeowner-friendly introduction to microgrids, storage, and backup power planning.
What to know before you compare installers
- A single home battery system is not always a microgrid, but it may use similar ideas: local generation, storage, controls, and grid isolation.
- The useful homeowner question is how the system operates when the grid is unavailable.
- Community microgrids and home backup systems have different ownership, design, and utility coordination issues.
A home is not always a microgrid
Microgrids are usually discussed as systems that can operate with or apart from the larger grid.
For a single home, the practical question is often whether solar, storage, inverters, and backup circuits can safely operate during an outage.
Use this when reviewing quotes
- Ask what equipment isolates the home from the grid.
- Ask whether the system has a defined backup panel or managed loads.
- Ask how the system starts and stops backup operation.
Ask for the operating mode
Ask what happens when the grid goes down, what disconnects from the grid, and what equipment controls backup operation.
The answer should be specific to your home, not just a general claim about resilience.
Use this when reviewing quotes
- Ask what happens in the first minute of an outage.
- Ask what happens when the grid returns.
- Ask what the monitoring app will show.
Know the difference between home backup and community resilience
A home backup system is usually designed around one home's panel, loads, solar equipment, and battery. A community microgrid may include shared assets, utility coordination, and multiple customers.
Both can improve resilience, but the questions and contracts are different. For a home project, focus on the equipment and responsibilities inside your property line.
Use this when reviewing quotes
- Ask whether any utility approval affects backup operation.
- Ask what parts of the system are homeowner-owned.
- Ask who services controls and communication equipment.
Official references
Related comparisons
Use these short comparisons to challenge assumptions before talking with installers.