Solar & Clean Energy

At Galkam Solar, we aim to support Australia's clean energy transition through cutting-edge solar technology and compliance-driven design. Our flagship product, the DCMax Smart Solar Combiner, is AS/NZS 5033 compliant and allows system designers to oversize solar arrays while still claiming STC credits

Learn more about the DCMax: Product Document

Comparing DCMax Rated array with conventional string

DCMax News - August 2025

August 2025 - Production OUT OF SIGHT!

DCMax achieved incredible results this month

At the end of 2022, I looked at my Solar results for the year. WOW! The winter months are a killer. In that moment, the idea for the DCMax was born.

Here are the real world numbers for our test site (in blue):

We are showing this years results against the 2022 year results for a comparison. The blue section indicates how much more the DCMax test site produced in 2025 over the 2022 results. Remember we have not changed the inverter or the rated value of the system. 10kW is the max inverter capacity allowed for single phase by the grid operator and the standard limits the oversizing to 13.33kW.

You can see why we are so happy with this result. The July 2022 result was 807kWh. This year we achived 1482kWh. That is 184% of the 2022 result! (and getting close to double). The August numbers 1918kWh: out performing the best summer result ever by almost 130kWh. In August 2022 we only managed 925kWh, this year we MORE than doubled this result with 207% above the 2022 result.

DCMax News - July 2025

STC Credit news! Its good...well mostly

In communications with the The Clean Energy Regulator (CER) it has been indicated that it may be possible to claim full STCs credits for all the installed panels, not just the Inverter rating. While this sounded great, we thought we had better do our own research and check the legislation. The wording states that STC are calculated by various methods to determine their contribution to carbon emission reduction over the 'deeming' period (years). Now, it would be nice to assume that the contribution of the panels that are curtailed during the normal course of the day could still receive the same STC as those that aren't, realistically we feel that simplification is not in aligment with the intent of the legislation. So we took our concerns to CER who are now doing a more thorough investigation.

The good news is that since the panels are indeed still producing a significant amount, we are confident that the STCs for a DCMax system should be significantly higher than the Inverter's max Oversize rating. We'll make an announcement as soon as CER gives us the news.

Coming soon:

Our V2L2H (Vehicle-to-Load-to-Home) product, enabling integration of EVs, solar, and home energy systems with AS/NZS 4777.2 compliance.

Configure Your DCMax (coming soon): DCMax calcultor