New: the federal battery rebate pays the full rate on the first 14 kWh, the exact size of the ElektroBank 14, and steps down over time.
New: the federal battery rebate pays the full rate on the first 14 kWh, the exact size of the ElektroBank 14, and steps down over time.
For hot-water upgrades
Hot water is one of the biggest, most flexible loads in your home when it’s an electric resistive system. Traditionally it sits on a controlled-load tariff to keep its cost down. But that doesn’t let it use your excess solar, so people often add a timer or a surplus-shifting device.
None of these delivers the lowest cost: It fights your Level 2 EV charger and solar-battery for excess solar PV, and cloudy days cause shortfalls that get topped up during the highest-price evening period. Nor do any of these approaches support wholesale tariffs, which offer the lowest prices, and can even pay you to use electricity at key times.
Empower’s Home Energy Management System (HEMS) compatible solar-battery solution sequences your water heater, EV charger and
solar-battery so they all run at the lowest cost.
Why now
Old timer / gas
Not aligned to solar surplus
With Empower
Heats when cheapest
Setup
Plug in, no extra kit
Battery rebate
Maxed at 14 kWh
Hot water shifted to cheap energy is one of the easiest wins in the home.
Moving to electric resistive water heating is cheaper than a heat pump, and lower cost to use than a gas system. However, controlled load is not aligned to surplus solar, smart water heaters fight with your smart EV charger and/or solar battery for excess solar, and are unable to support the lowest cost wholesale plans.
Basic timers can’t see prices, weather or your solar. And even smart water heaters compete with other devices for excess solar PV, fail to anticipate cloudy days, and are incompatible with wholesale tariffs.
Empower's HEMS enabled solar-battery forecasts usage, PV generation and prices, and treats your water heater as a flexible load, heating on solar surplus or the cheapest off-peak or wholesale-priced energy and coordinating it with your EV charging and battery storage needs for the rest of your home.
before replacing your existing water heater
Add your hot-water plans to the calculator and see how much shifting that load to cheap energy via a HEMS is worth over 10 years.
no-obligation consultation
Tell us a little about your home and EV. We’ll enter your specific details, validate the savings estimate, and generate a firm installation price, with and without financing, so you can make a decision with confidence.
Your calculator inputs will be attached to your enquiry, so your follow-up is tailored to your situation.
