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  • Writer's pictureGraham Harris

Our Carbon Footprint report for 2021

We are proud to publish our annual greenhouse gas inventory report for our 2021 operations.

As before, we have calculated our carbon footprint in accordance with international best practice (the GHG Protocol) and report on our Scope 1, Scope 2 and Scope 3 emissions. This year, we expanded our Scope 3 reporting to include purchases/use of IT assets and office paper (as well as the previously reported business travel and employee commuting).

We have reached net zero emissions through a combination of avoidance actions, purchases of certified green electricity, exports of clean solar energy from our PV system and through funding tree-planting via TreeEra.

To view our Carbon Footprint Report for 2021, click here.

93 views2 comments


Warren Brooke
Warren Brooke
Apr 26, 2022


Can you comment on the value of your solar PV array? My own electricity purchased from the grid is becoming quite expensive. The "energy only" part is above $0.16/kWh which is absurd. You, on the other hand, can harvest photons for free and amortize the up-front costs quicker when the grid price is high. Can you tell us what the payback period was when you started the PV project, and what the forcast is now that the utility prices are rising?

Graham Harris
Graham Harris
May 05, 2022
Replying to

Hi Warren! Thanks for your comment. We have a couple of blog posts on our PV array - One year later: results from my home solar PV system (Part 2) ( - deals with the issue of payback. It will certainly be much better as electricity prices rise though we haven't yet tried to calculate exactly how much better.

It's also worth noting that payback can also be improved through getting a Canada Greener Homes Grant, signing up for solar micro-generation tariffs and through selling carbon offsets through a program such as

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