The awesome foursome.

The awesome foursome.

Our energy is generated from 100% renewable sources, including geothermal, hydro and soon wind. We’re proud to work with some of our wonderful customers to help them generate solar energy too.

Hydro.

Hydro.

We have 9 hydro stations on the Waikato River. These stations harness the power of water to generate approximately 10% of NZ's annual energy supply.

More about hydro
Solar.

Solar.

Our solar farm and R+D Centre sits on the site of the former gas-fired Southdown power station to help us learn more about this energy source. Plus we've got great solar offers for customers.

More about solar
Wind.

Wind.

We’ve started building our first wind farm at Turitea (just outside of Palmerston North), as we work towards New Zealand’s even more sustainable future.

More about wind
Geothermal.

Geothermal.

We have 5 geothermal stations across the central North Island. Base-load geothermal runs at full capacity about 95% of the time.

More about geothermal
Join the electric revolution.

Join the electric revolution.

Not everyone is ready to give up their petrol cars just yet, but we know lots of you are thinking about alternate transport options. See how e. you can be and we'll keep you posted on electric deals. You'll also go in the draw to win wonderful prizes like your very own e.bike or e.scooter, experiencing a VW e-Golf for a month, or even Mercury bill credits. Terms apply.

Our EV story so far.

Our EV story so far.

We haven't quite Kissed Oil Goodbye completely yet, but we're getting there!

In the last few years we've converted more than 69% of our vehicle fleet to electric or plug-in hybrid. Plus, we're now a proud member of EV100, an initiative to help reduce carbon emissions and make electric transport the new normal by 2030.

Check out NZ's most famous EV conversion, Evie.