Kilovolt-Ampere (kVa) 2 topics · 2 sources ScienceEnergyA unit of apparent power, equal to 1,000 volt-amperes; the mathematical product of the volts and amperes in an electrical circuit.US DOE Office of Energy Efficiency & Renewable Energy — Glossary of Energy-Related Terms retrieved 2014-05-26 Cite ScienceWater1000 volt-amperes and approximately 89/100 of a kilowatt. Bureau of Reclamation — Bureau of Reclamation Glossary Cite