You can use an Inovonics or Cerenti system both are cellular based RF infrastructure. Systems varying in price but for under fifty spaces price is around $1,000 plus the cost of pulse output meters, we use the Leviton Series 2000 electrical sub-meters for most applications which retail for about $350. Installation is @ one hour. Consider water sub-metering capitalizing on the same RF infrastructure. Also, we provide billing services for all utilities.
We’re here to answer your water sub-metering questions.
Southern Water Management