This page give you the best answers for the following questions;
- What is Stack Energy?
- What kinds of services Stack Energy is offering?
- Should I made a contract with the Stack Energy for power/electricity?
- What is advantages and disadvantages of Stack Energy?
This page is the best for you to understand about these types of questions.
I’m going to explain about Stack Energy one by one as below.
- What is Stack Energy?
- What is the advantages of Stack Energy?
- What is the disadvantages of Stack Energy?
- Which power company is the best for you?【plus comparison table】
If you read this page, you can easily understand what Stack Energy is and whether Stack Energy is the best company for you or not.
1. What is Stack Energy?
source: Stack Energy
Stack Energy is one of the smaller power companies, and Stack Energy is proud to be 100% New Zealand owned electricity retailer*.
(*) Stack Energy buys electricity from electric wholesale market and sell it to their customers.
Stack Energy’s mission is delivering the quality electricity service to consumers with a smarter way of saving.
Top5 power companies (“Big5”) in New Zealand
Company name | Customer (ICP count*) |
Market share (ICP share) |
Genesis Energy | 490,000 | 22% |
Contact Energy | 420,000 | 19% |
Meridian Energy | 340,000 | 15% |
Mercury NZ | 330,000 | 15% |
Trustpower | 270,000 | 12% |
(*) ICP (Installation Control Point) : Each property has a unique ICP number identifying it on the New Zealand electricity network.
(*) ICP count : the total number of ICP
(source: Electricity Authority, as of March 2021)
2. What is the advantages of Stack Energy?
Based on my research, the 2 advantages of Stack Energy are as below.
- Lower price and quick sign-up
- No long term fixed contract
Details of the advantage are as below.
2-1. Lower price and quick sign-up
source: Stack Energy
Stack Energy offer lower price for your cost savings.
Once you decide to join, it’s easy to sign up Stack Energy’s plans as below.
Step1: Address information
Step2: Personal information
source: Stack Energy
Registration process is just step 1 – 3, so it takes only around 5 minutes to fill in.
Payment options
Only Direct debit or Credit card automatic payment (weekly basis) is available.
2-2. No fixed-term contract
source: Stack Energy
There is no fixed-term contract, so you don’t need to worry to join Stack Energy.
You can switch(change) to another power company anytime in the future, if you want to do it.
Also, there is no prompt payment discount to offer every time low price.
3. What is the disadvantages of Stack Energy?
Based on my research, the 2 disadvantage of Stack Energy are as below.
- No Gas and No Broadband service
- There are some power companies with higher customer satisfaction
The details of the disadvantage are as below.
3-1. No Gas and No Broadband service
source: Stack Energy
Stack Energy’s plan is only for Electricity at this moment.
So, if you need gas and/or broadband together, Stack Energy may not be suit for you.
If you need Gas and/or Broadband too…
The following companies offer Gas and Broadband too, so please check their official websites, if you like.
Power company name | Gas | Broadband |
Pulse Energy | ✓ | ✓ |
Contact Energy | ✓ | ✓ |
Trustpower | ✓ | ✓ |
Genesis Energy | ✓ | – |
(*) I recommend “Pulse Energy” among the above 4 companies, because Pulse Energy has better customer satisfaction as explained later.
3-2. There are some power companies with higher customer satisfaction
As far as I tried, I could not find any survey and data about Stack Energy’s customer satisfaction in 2021.
But, based on the survey “Customer Satisfaction with power companies” by Consumer NZ in 2021, “Powershop” is No.1 among major power companies in NZ.
(*) Consumer NZ is an independent, non-profit organisation to offer New Zealanders a fairer deal and established in 1959.
source: Consumer NZ
So I’ll explain about Powershop in the next chapter.
4. Which power company is the cheapest for you?【plus comparison table】
It is important to think about [customer satisfaction] or [cheapest price in the area you live in], when you choose a power company.
I recommend that you should choose a company
- [Best customer satisfaction]・・”Powershop“.
- [Cheapest price finding tool]・・”Powerswitch“
Also, I’ll show you a comparison table of the most popular 10 power companies in NZ at the end of this part.
4-1. [Best customer satisfaction] ・・”Powershop”
source: Powershop
Powershop is a smaller power company, and No.1 customer satisfaction among major power companies in NZ in 2021 based on the survey by Consumer NZ.
I believe that you can enjoy price and service by Powershop, because Based on the survey, the score of “value for money” is 63% (this score is much higher than average of the electric industry).
Also, Meridian Energy (one of the 5 biggest power company in NZ) owned 100% share of Powershop, so you don’t need to worry about Powershop.
It’s good for you to check Powershop’s official website.
Head Office | Wellington |
Operate from | 2009 |
Main Shareholders | 100%: Meridian Energy |
Service | Electricity only |
Service area | All of NZ |
Customer | around 95,000 customers |
Number of employee | Over 200 employees |
4-2. [Cheapest price finding tool]・・”Powerswitch”
Powerswitch is the best way for you to find the cheapest electric plan.
source: Powerswitch
Powerswitch is the best website in New Zealand to find which power company and pricing plan is the cheapest for you.
What you have to do is just to input some information (your address, number of your family, type of heating products/systems you use and etc), then you can get to know the cheapest plan.
For example, the result will come up as a list such as the following image.
source: Powerswitch
So, it’s very easy to understand that which company and plan you should choose.
(*) If you want to know more details about Powerswith, please check another page “What is POWERSWITCH? The best way to find the cheapest electricity plan“.
4-3. Comparison table of the most popular 10 power companies in NZ
It’s good for you to get to know the difference between Stack Energy and other popular electric providers.
(*) You can scroll the following chart left to right.
Company name | Ownership | Number of customer (Market share) |
Capacity of power generation | Services | Review (customer’s satisfaction) |
Genesis Energy |
Partial State |
490,000 (22%) |
generator and retailer |
Electricity Gas |
◯ |
Contact Energy |
Partial State | 420,000 (19%) |
generator and retailer | Electricity Gas Broadband |
▲ |
Meridian Energy |
Partial State |
340,000 (15%) |
generator and retailer |
Electricity only | ◯ |
Mercury NZ |
Partial State |
330,000 (15%) |
generator and retailer |
Electricity only | ◯ |
Trustpower |
Private company | 270,000 (12%) |
generator and retailer | Electricity Gas Broadband Landline Mobile |
▲ |
Nova Energy |
Private company | 120,000 (5%) |
Retailer Only |
Electricity Gas Broadband |
◎ |
Pulse Energy |
Private company | 84,000 (4%) |
Retailer Only |
Electricity Gas Broadband |
◯ |
Electric Kiwi |
Private company | 76,000 (3%) |
Retailer Only |
Electricity only | ◎ |
Vocus |
Private company | 38,000 (2%) |
Retailer Only | Electricity Broadband |
◯ |
Flick Electric |
Private company | 26,000 (1%) |
Retailer Only |
Electricity only | ◎ |
source: Electricity Authority (as of March 2021)
6. Summary
Until here, I explained about Stack Energy’s advantages, disadvantages and so on – is it useful for you?
As a summary, I write down about the main points of this page as below.
- Stack Energy offers cheaper electricity
- There is no fixed-term contract, so you don’t need to worry to join Stack Energy.
- If you are interested in [customer satisfaction] or [cheapest price], it is good for you to check other power companies too.
If you are interested in Stack Energy, please click the following button and check Stack Energy’s official website.
And, I recommend the following power companies and website, if you are interested in.
- “Powershop“・・・Best customer satisfaction among the NZ’s major power companies.
- “Powerswitch“・・・You can get to know the cheapest electric plan in the area you live in.
Many thanks to read this page.
Please let your family and friends about this page, if you like.