Battery size estimate
Installed cost estimate
What it typically keeps running
For the assumptions behind these ranges, see the full DFW home battery cost breakdown.
Battery-rewards estimate
Roughly $100–$400 per year if you enroll, plus a possible one-time enrollment bonus — provider, program, battery capacity and participation rules vary.
Smaller batteries may earn less because less stored energy may be available for program events.
Pairing a battery with solar can improve daily economics by storing more of the energy your home produces. Section 25D ended December 31, 2025, so cash buyers get no federal credit for a new 2026 expenditure; ask a qualified tax professional about your specific facts.
Important
Estimates, not promises
Voltkeep Home Energy, operated by TIGADONAMAX LLC, is an independent guide — not a tax advisor, utility, manufacturer or installer. Size, runtime, installed cost and rewards are estimates; equipment, electrical work, provider terms and eligibility vary. Verify every estimate and program term in writing with a licensed installer and the program provider before making a purchase.