Trewado bụ ụlọ ọrụ teknụzụ ike mmeghari ohuru.Ọ bụ onye na-eweta ESS azụmahịa & ụlọ ọrụ mmepụta ihe, ESS obibi na ọdụ ọkụ nwere ike ibugharị, bụkwa onye na-ebubata ngwakọ inverter, inverter apụ-grid, na inverter on-grid.N'ime afọ 8, anyị ejirila ọtụtụ ụdị mba ụwa ozi na mba 20+.