Get great rates, up to 12% prompt
payment discount, and more.
If you need gas, no problem.
Plus you'll get a dual fuel discount
when you combine it with our
Our solar residential packages
start from as little as $4,995!
See which plan is right for you.
Stay on top of your energy usage with our weekly GEM emails. Just give us your email address and we'll take care of the rest.
If you're heading for a bill that's 30% higher than the same bill last year, we'll send you an email to let you know. No more bill surprises.
Click on the GEM tab inside My Account for loads of helpful savings tips and detailed information on how you're using power.
We’ve joined forces with Air New Zealand, and you’ll now be that bit closer to taking off every time you switch on with Mercury.
Join the e.bike and e.scooter movement. A fun, affordable way to keep moving. Check out our exclusive deals and take a test ride at one of our retail partners.
Fuel your EV for the equivalent of 30c per litre. Plug in at home and save 20% on your entire home's electricity usage between 9pm - 7am every day.
To make sure you're on the most cost effective price plan, we check your energy usage every 12 months.