Welcome to the Proving Ground
2026 Tournaments
The premier Northern California youth soccer destination — 16 fields, 1,000+ teams, one complex.
Smart For The Environment.
Smart For Your Wallet
Battery Storage Systems
These cutting-edge solutions ensure you have a consistent power supply, even when the sun isn't shining or the wind isn't blowing.
Battery Storage Systems
These cutting-edge solutions ensure you have a consistent power supply, even when the sun isn't shining or the wind isn't blowing.
Energy Efficiency Consultation
Our energy efficiency experts will assess your property and recommend tailored solutions to maximize energy savings.
Battery Storage Systems
These cutting-edge solutions ensure you have a consistent power supply, even when the sun isn't shining or the wind isn't blowing.
Battery Storage Systems
These cutting-edge solutions ensure you have a consistent power supply, even when the sun isn't shining or the wind isn't blowing.
Energy Efficiency Consultation
Our energy efficiency experts will assess your property and recommend tailored solutions to maximize energy savings.