Kristina Pearson
@krisbikes4life.bsky.social
Engineer, MSc SEDV, #yycbike with kids, knitter, canoeist, snowshoer. I am currently doing research into a net zero electricity grid in Alberta with NZERI. I'm here for the science and data crunching. She/her
When life gives you peppers...
Make pepperonatta and roast the rest!
Make pepperonatta and roast the rest!
November 20, 2025 at 3:14 AM
When life gives you peppers...
Make pepperonatta and roast the rest!
Make pepperonatta and roast the rest!
There's a satisfying feeling when you can finish a last minute Halloween sew without having to wind the bobbin!
One Link hat ready to go!
One Link hat ready to go!
October 31, 2025 at 5:52 PM
There's a satisfying feeling when you can finish a last minute Halloween sew without having to wind the bobbin!
One Link hat ready to go!
One Link hat ready to go!
Now we're cooking with magnetic fields!
October 25, 2025 at 11:33 PM
Now we're cooking with magnetic fields!
Ummm....don't I get any?
July 10, 2025 at 3:38 AM
Ummm....don't I get any?
So I'm electricity nerding on the way home from electricity camp.
Penstock, hydro plant, reservoir, substation... and mountains.
Penstock, hydro plant, reservoir, substation... and mountains.
May 25, 2025 at 2:44 AM
So I'm electricity nerding on the way home from electricity camp.
Penstock, hydro plant, reservoir, substation... and mountains.
Penstock, hydro plant, reservoir, substation... and mountains.
Just schlepping the kids to and from Tennis lessons #cargobikes #carryshitolympics
May 2, 2025 at 10:46 PM
Just schlepping the kids to and from Tennis lessons #cargobikes #carryshitolympics
OMG! If this holds....
April 29, 2025 at 4:54 AM
OMG! If this holds....
How about inuit snow goggles, hand carved, circa 1920s from the mouth of the copper mine river.
April 13, 2025 at 9:15 PM
How about inuit snow goggles, hand carved, circa 1920s from the mouth of the copper mine river.
This maple tempeh sausage took three separate ferments to make, but it's a keeper.
4/5 loved it, and 1/5 said its OK.
Oncom tempeh patties
Rice koji -> shuyo koji for the salty unami marinade
4/5 loved it, and 1/5 said its OK.
Oncom tempeh patties
Rice koji -> shuyo koji for the salty unami marinade
April 7, 2025 at 3:32 PM
This maple tempeh sausage took three separate ferments to make, but it's a keeper.
4/5 loved it, and 1/5 said its OK.
Oncom tempeh patties
Rice koji -> shuyo koji for the salty unami marinade
4/5 loved it, and 1/5 said its OK.
Oncom tempeh patties
Rice koji -> shuyo koji for the salty unami marinade
Haida title, and dignity to decide their own fate. Hurray!
February 18, 2025 at 3:30 AM
Haida title, and dignity to decide their own fate. Hurray!
It's so quiet... parents of small children... when your kids can read a novel - life changes!
February 11, 2025 at 3:00 AM
It's so quiet... parents of small children... when your kids can read a novel - life changes!
Oh - but I need the map data (so I can compare Calgary v Edmonton school illness rates and control for the difference in vaccination status as best I can). So this data table for every zone:
January 17, 2025 at 10:25 PM
Oh - but I need the map data (so I can compare Calgary v Edmonton school illness rates and control for the difference in vaccination status as best I can). So this data table for every zone:
So, it's January (admittedly a mild one so far). Before this year we have not ever had a 0$/MWh pool price in January... we now have 35 - with more likely on the way. That's nearing 10% of the 0$ hours we had last year... and it's only January 14th!
January 14, 2025 at 4:44 PM
So, it's January (admittedly a mild one so far). Before this year we have not ever had a 0$/MWh pool price in January... we now have 35 - with more likely on the way. That's nearing 10% of the 0$ hours we had last year... and it's only January 14th!
OK, these are probably not the final counts for these ridings... but I'm sure this didn't change much.
January 11, 2025 at 11:02 PM
OK, these are probably not the final counts for these ridings... but I'm sure this didn't change much.
We had the first 2 hours of the year where the Alberta Pool Price was 0$/MWh today!
This is, I believe, a first for 0$ hours in January.
This is, I believe, a first for 0$ hours in January.
January 8, 2025 at 12:07 AM
We had the first 2 hours of the year where the Alberta Pool Price was 0$/MWh today!
This is, I believe, a first for 0$ hours in January.
This is, I believe, a first for 0$ hours in January.
That's essentially what I did, I scaled up wind and solar - massively overbuilding it to see how much demand we could meet (first without, than with storage, and ignoring transmission constraints). Storage absolutely lowers the costs to meet more than 80% of demand with W + S.
December 20, 2024 at 12:32 AM
That's essentially what I did, I scaled up wind and solar - massively overbuilding it to see how much demand we could meet (first without, than with storage, and ignoring transmission constraints). Storage absolutely lowers the costs to meet more than 80% of demand with W + S.
Apologies, I missed this. Unfortunately, seasonal storage issues are a big deal in Alberta. Storage lowers costs and cuts gas usage, but retiring gas generation is really tough. Even when wind and solar and storage can meet 99% of our demand... we still need almost all of our NG generation.
December 19, 2024 at 6:09 PM
Apologies, I missed this. Unfortunately, seasonal storage issues are a big deal in Alberta. Storage lowers costs and cuts gas usage, but retiring gas generation is really tough. Even when wind and solar and storage can meet 99% of our demand... we still need almost all of our NG generation.
@jessedjenkins.com looks like you have a fake account impersonating yours. I'll report and block, best others do the same.
December 8, 2024 at 7:07 PM
@jessedjenkins.com looks like you have a fake account impersonating yours. I'll report and block, best others do the same.
So, 48 zone minutes for a presentation is totally normal, right?
December 8, 2024 at 12:59 AM
So, 48 zone minutes for a presentation is totally normal, right?
5000 MW is really conservative, here's some net load data for all the 0$/MWh from 2018 - Nov 30 of this year... all 419 of them!
December 5, 2024 at 9:54 PM
5000 MW is really conservative, here's some net load data for all the 0$/MWh from 2018 - Nov 30 of this year... all 419 of them!
@shastingssimon.bsky.social I updated the figures in our Policy Trend with Nov. 2024 Long Term Assessment information (current/in construction/approved/announced numbers).
We have enough wind and solar in construction to meet ~ 32% of demand!
We have enough wind and solar in construction to meet ~ 32% of demand!
December 5, 2024 at 7:26 PM
@shastingssimon.bsky.social I updated the figures in our Policy Trend with Nov. 2024 Long Term Assessment information (current/in construction/approved/announced numbers).
We have enough wind and solar in construction to meet ~ 32% of demand!
We have enough wind and solar in construction to meet ~ 32% of demand!
Our 8th annual #TreeByBike, #CarryShitOlympics,
-14C (-21 with windchill), ~10km round-trip. The eldest on her own bike did great (but was slightly chilled), I had the two boys on the ecargo, and DH on the regular cargo with the tree!
We were quite a sight!
-14C (-21 with windchill), ~10km round-trip. The eldest on her own bike did great (but was slightly chilled), I had the two boys on the ecargo, and DH on the regular cargo with the tree!
We were quite a sight!
December 1, 2024 at 10:41 PM
Our 8th annual #TreeByBike, #CarryShitOlympics,
-14C (-21 with windchill), ~10km round-trip. The eldest on her own bike did great (but was slightly chilled), I had the two boys on the ecargo, and DH on the regular cargo with the tree!
We were quite a sight!
-14C (-21 with windchill), ~10km round-trip. The eldest on her own bike did great (but was slightly chilled), I had the two boys on the ecargo, and DH on the regular cargo with the tree!
We were quite a sight!