Generator Statistical Digest 2023 (GSD2023)

The GSD2023 was released on Thursday 15th February 2024.

The GSD2023 ….

1)  follows the earlier versions (GSD2019, GSD2020, GSD2021 and GSD2022) and provide a summary of operational data for every single DUID that was operational in the ENERGY market of the NEM for at least part of calendar 2023.

2)  but also includes new sections (including one focused on every single DUID that was operational in any FCAS market of the NEM for at least part of calendar 2023.

… because of this addition (and others as well), the GSD2023 is ~50% larger than the GSD2022.

This page, and several linked pages, have been designed to provide information about this digest, and how it fits into what came beforehand.


How can I access the GSD2023?

The table below outlines how to order and access the GSD2023 and/or the optional Data Extract.

Order Access


There are two options for you:

Option 1)   You can order the GSD2023 (PDF and hard copy), or

Option 2)  You can order the GSD2023 (PDF and hard copy) plus the Data Extract.

Please nominate your selected option when you return this Order Form to us:

Order Form GSD2023

After we receive your order, we will:

  1. Set you up with electronic access;
  2. Organise the delivery of your bound-hard copy; and
  3. Process your payment and provide a tax invoice.

Clients who have already ordered can access the electronic PDF of the document at the link below.

Download the GSD2023 (PDF)

To use our downloads site, you’ll need to log in or register an account using your organisation’s email address. Please keep in mind that:

  • the document is a large (100Mb – for 1200+ pages) PDF so keep this in mind if on a low-speed link
  • this process works in Chrome, Edge and Safari.

One bound hard-copy is also included in your purchase and we will begin to organise delivery soon after we have received your order.

GSD2022 Data Extract

Clients who have already ordered the optional data extract can access the files at the link below.

Download the GSD2022 Data Extract

Follow the steps above to log in to our site. You’ll then be able to access:

  • a zipped folder of the separate TSV files covering the majority of the data published in this year’s GSD,
  • plus an XLSX file we have included for those who want to use Excel.

As per the order form, this data extract is for internal use within your organisation.


What is the GSD2023?

Unlike the preceding issues (which were 2 x Volume publications of ~800 pages), the GSD2023 is a 1200+ page document that requires moving to a 3-volume format as follows:

Volume 1
containing statistics
new to the GSD2023
approx 400 pages
Volume 2
‘A’ Page and ‘B’ Pages
DUIDs until KPP_1
approx 400 pages
Volume 3
‘A’ Page and ‘B’ Pages
approx 400 pages
In Volume 1 we have included familiar content, and also a considerable volume of new content to provide an even richer statistical record of operations in Australia’s National Electricity Market.

1)   Familiar content includes:

(a)  The popular Glossary, which contains much more than published here.

(b)  The focused ‘FCAS Cost’ calculations, by FCAS Portfolio.

… and more

2)  New content includes both:

(a)  A focused review of the operation of Semi-Scheduled units through calendar 2023 …

(b)  A 10-year review of every unit that participated in at least one FCAS market through 2023.

Click through on the links above for more information about this new content.

Moving from the GSD2022 to the GSD2023, the main set of data you’re used to seeing in the earlier issues is now located across Volume 2 and Volume 3.

This data is historical performance statistics for units that were operational in the ENERGY market for some time of calendar 2023 – this includes:

  • an ‘A’ Page containing a 10-year historical overview of key metrics, spanning 2014 to 2023 calendar years;
  • a ‘B’ Page containing a 12-month detailed performance profile for the 2023 calendar year.


The content of both the ‘A’ Page and the ‘B’ Page is described further below.


A useful reminder is that the GSD2023 (with a focus on calendar 2023) provides the second edition covering a full year of operations under Five Minute Settlement.


Volume 2 and Volume 3 – for units operational in the ENERGY market

Volumes 2 and Volumes 3 are for units operational in the ENERGY market through some part of 2023 – and hence are largely similar to the structure of the GSD2022, GSD2021, GSD2020 and GSD2019, which came beforehand.  

For all units that operated (in the ENERGY market – noting that FCAS participation is covered in Volume 1) through some portion of the 2023 calendar year (i.e. for which AEMO published some non-zero InitialMW data) we have included two pages:

A Page
10 Year Profile
2014 to 2023
B Page
12 Month Detailed Profile
for the 2023 Calendar Year
The A Page for each unit contains performance and financial metrics for the previous ten calendar years (i.e. 2014 to 2023).

Metrics included on this page include monthly revenue, monthly availability and capacity factors, volume bid in price bands, unit starts, operating hours, etc.

The image below shows the A Page for DDPS1.

Click to open more details about this set of statistics.

The B Page for each unit contains more detailed performance and financial metrics for the most recent calendar year only .

Metrics included on this page include daily output, daily availability and capacity factors, monthly revenue, hours constrained, etc.

The image below shows the B page for BRAEMAR1.

Click to open more details about this set of statistics.

The advantage of this format is that it enables data to be reported on the same basis for all units!



What is the GSD2023 Data Extract?

After we released the GSD2020, we received a number of requests from clients who wanted us to collate and release a separate extract of the data contained within the final document :

1)  We completed the additional work to make the GSD2020 Data Extract available in March 2021

2)  … so we did the same for the GSD2021 and GSD2022;

3)  and now have done the same for the GSD2023 (complete with the much larger data set).

The extract is available as an optional extra for those who wish to complete their own analysis of the data that we have calculated and processed.

There is an option to order the data extract on the order form linked above.



Who developed the GSD2023?

The GSD2021 is a collaborative project developed by two businesses providing services for market participants and other stakeholders in the NEM.

Global-Roam Pty Ltd is a software company operating in the NEM. The company is also the provider of this WattClarity service.

Global-Roam will be focused on further enhancements to its suite of software products to enable users to have ongoing visibility and understanding of the diverse range of metrics identified through this analytical process (some of which are detailed in this Generator Statistical Digest).

Greenview Strategic Consulting (GVSC) is a boutique consulting firm operating in the NEM.

GVSC will be focused on helping its client base to understand, and act on, the insights generated through this Statistical Digest and other contemporary market issues. GVSC will retain its focus on new entrants and keeping them on the right side of AEMO and the AER, with a strong focus on establishment of operational capability, strategic insight and dispatch optimisation.




The Evolution of WattClarity Deeper Insights

The GSD2023 is the another publication of WattClarity Deeper Insights, and the fourth in a series of statistical digests.

This GSD2023 follows from the GSD2022, the GSD2021, the GSD2020 and GSD2019 and the 300-page statistical component of the GRC2018, as shown here:


The GSD2023 is intended to be read in conjunction with GenInsights Quarterly Updates – our (now regular) analytical updates …

1)  that followed the 600-page GenInsights21

2)  which itself was an update to, and extension of, the 180-page analytical component in the GRC2018).