Superior Backup Power Economics: Bidirectional EV systems provide 3-7 days of home backup power at $5,000-$12,000 total cost, significantly undercutting traditional generators ($8,000-$15,000) and dedicated battery systems ($15,000-$25,000) while serving dual. Superior Backup Power Economics: Bidirectional EV systems provide 3-7 days of home backup power at $5,000-$12,000 total cost, significantly undercutting traditional generators ($8,000-$15,000) and dedicated battery systems ($15,000-$25,000) while serving dual. Wondering how much a modern energy storage charging cabinet costs? This comprehensive guide breaks down pricing factors, industry benchmarks, and emerging trends for commercial and industrial buyers. The magic happens through power electronics that act as translators between different types of electricity. While still in its early stages, recent regulatory changes and new product developments are pushing bidirectional charging closer to mainstream adoption in Australia. But EVs have a lot of energy stored in their batteries when they're not being driven, and that power could be put to use (assuming it's put back by the time the car is needed for transportation). Early analysis suggests potential utility savings of $300-500 million annually per major metropolitan.