Uhlelo lokulawula ukuziqalela lulawula ngokuzenzakalelayo ukusebenza/ukuma kwesethi ye-generator, futhi futhi inomsebenzi wezandla; Esimeni sokulinda, isistimu yokulawula ithola ngokuzenzakalelayo isimo se-mains, iqala ngokuzenzakalelayo ukukhiqiza amandla lapho igridi yamandla ilahlekelwa amandla, futhi iphuma ngokuzenzakalelayo futhi ime lapho igridi yamandla ithola amandla kagesi. Yonke le nqubo iqala ngokulahleka kwamandla kusuka kugridi kuya kugesi kusuka ku-generator ingaphansi kwamasekhondi angu-12, okuqinisekisa ukuqhubeka kokusetshenziswa kwamandla.
Isistimu yokulawula ikhethiwe i-Benini (BE), i-Comay (MRS), ulwandle olujulile (DSE) namanye amamojula okulawula ahamba phambili emhlabeni.
Ukubona ukushintshwa okuzenzakalelayo phakathi kwemithombo emibili yamandla (amapayipi amakhulu namandla, amapayipi amakhulu namandla, ukuphehlwa kukagesi kanye nokuphehla ugesi), ukuqinisekisa izidingo zamandla eziqhubekayo zomsebenzisi, ngokusebenza okuzenzakalelayo, umshini, umsebenzi wokuxhuma kabili kagesi.
Amayunithi akhiqizayo amabili noma ngaphezulu noma phakathi kokusebenza okufanayo nensiza, (kusetshenziswa isilawuli esihambisanayo se-GAC sase-United States nesisabalalisi somthwalo), abasebenzisi bangakhetha umthamo nenani lamayunithi ngokuya ngokusetshenziswa kwamandla, ukonga uphethiloli nokonga ukutshalwa kwezimali.
Isistimu yokulawula ihlukaniswa njengesistimu ye-parallel manual. Isistimu ehambisanayo ezenzakalelayo.