Mercury confirms geothermal expansion, warns of higher power prices

Mercury is increasing its geothermal capacity. (Image: Getty)

Tue, 19 Sep 2023

Mercury has confirmed it will go ahead with a $220 million expansion of its Ngā Tamariki geothermal station and warned that the investment needed for new generation is likely to push up electricity prices in the short to medium term.At the company’s annual general meeting on Tuesday, Mercury’s generation general manager, Stewart Hamilton, said work on the geothermal station near Taupō would include the addition of a fifth generating unit at the site, adding 46 megawatts (MW) of base-load generation to the 82MW-ca...

Unlock all stories free for 10 days

Stay informed on business, government and financial developments across New Zealand.

Deeply researched, twice-edited and fact-checked news
Annual subscribers also receive a complimentary subscription to The Wall Street Journal
Personalised email news alerts, plus gift up to 5 stories a month to non-subscribers

We won’t charge for 10 days. You can cancel anytime with two clicks, an email or a phone call. Find out more.

We are serious about journalism.

Name {{ registerForm.errors.get('name') }}

Email address {{ registerForm.errors.get('email') }}

Phone Number {{ registerForm.errors.get('phone') }}

Job Title {{ registerForm.errors.get('title') }}

Password Minimum password length of 8 characters.
Require at least one upper and lowercase, numeric, and special character. {{ registerForm.errors.get('password') }}

Repeat password {{ registerForm.errors.get('password_confirmation') }}

We had trouble validating your card. It's possible your card provider is preventing us from charging the card. Please contact your card provider or customer support.

Credit Card

Cardholder's name

{{ __(plans[index].interval) | capitalize }} {{ plans[index].attributes.old_price | currency }} {{ plans[index].price | currency }}

You will be charged in 10 days unless you cancel beforehand.
We will remind you three times before charging you.
All subscriptions auto renew but are easy to cancel.

I Accept The Terms Of Service

{{ registerForm.errors.get('terms') }}

Tax: {{ taxAmount(selectedPlan) | currency }}

Total Price Including Tax: {{ priceWithTax(selectedPlan) | currency }} {{ selectedPlan.type == 'user' && spark.chargesUsersPerSeat ? '/ '+ spark.seatName : '' }} {{ selectedPlan.type == 'user' && spark.chargesUsersPerTeam ? '/ '+ __('teams.team') : '' }} / {{ __(selectedPlan.interval) | capitalize }}