What is a Microgrid?

A Microgrid is a local independent energy system, with the ability to connect and disconnect/island from the grid and operate autonomously.
(Wikipedia, Microgrid Knowledge, IBM)

We strongly believe Microgrids are fundamental to enabling Energy Independance, neighborhood resilience, and our larger vision for America’s energy future. Entities having the equipment to generate their own clean-sourced power become less dependent on fossil fuels from their utility. Houses and smaller buildings which do this are known as nano grids, whereas larger complexes like an airport or mixed-use development are called microgrids.

History Microgrids have deep roots: Thomas Edison’s first commercial power plant, built in 1882, was actually a direct current microgrid. His first residential customer was JP Morgan, in whose basement he installed the first “dynamo” to power 400 electric light bulbs in the financier’s home.

Components Microgrids consist of energy storage (typically batteries), power sources (solar + generator), loads, controller, and isolation device.

Benefits
Microgrids produce power onsite which can be used to serve local loads directly (reducing your utility bill), excess stored or rerouted to the grid, or consumed later during peak grid times. Nano and microgrids can therefore fortify the grid during peak demand or climate stress while shoring up the home or a building’s resiliency during outages. Through holistic load management they enable energy to be sold during times when utilities pay the most, which helps with the return on investment.

Utilities also reference microgrids as Distributed Energy Resources (DERs) and collections of microgrids as Virtual Power Plants (VPPs). VPPs enable electricity consumers to buy/sell energy which creates an ecosystem that brings all of America's energy resources into collaboration that can reduce carbon, increase capacity, increase resiliency, open new doors to affordability and equity.

We refer to battery + solar + generator as a microgrid,
or a Hybrid Generator™

For multi-day outages 

your best bet is a Hybrid Generator™