Tristan Rayner
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tristanr.bsky.social
Tristan Rayner
@tristanr.bsky.social
Currently busy with batteries! + solar/renewables, @techaltar research and writing, and more!
Reposted by Tristan Rayner
Time for 2025 updates to my annual “opinions about solar” thread. If you like these, you might like the second edition of my book, Solar Power Finance Without The Jargon. A 30% discount code WSQ0437 is valid on publisher website until end of November 2025.

www.worldscientific.com/worldscibook...
Solar Power Finance Without the Jargon
www.worldscientific.com
October 20, 2025 at 7:43 AM
Batteries can earn money for people or for business. And this model sorta kinda does it for both:

www.ess-news.com/2025/10/09/b...

Interestingly, I did meet a startup in Germany that wanted to do similar but at zero cost, and where you got paid to operate a small battery even in your apartment.
Base Power hauls in $1 billion to take its distributed home battery model beyond Texas - Energy Storage
The two-year-old power company has deployed more than 100 MWh of residential battery capacity across Texas, pooling thousands of installs in homes into a grid resource as a virtual power plant. It wil...
www.ess-news.com
October 13, 2025 at 1:07 PM
The banning of X links in sports (and others) subreddits, and starter packs featuring reporters for those niches is another massive moment for Bluesky. Awesome stuff!
January 22, 2025 at 1:07 PM
Marton filmed me enjoying my new Microsoft Surface Laptop 7! It's in our new Friday Checkout video ...for about 3 seconds! youtu.be/H6KuIvwmkGA?...
November 29, 2024 at 5:57 PM
Reposted by Tristan Rayner
go.bsky.app/HwjoWF1
I made a starter pack for viewers of The Friday Checkout/TechAltar :)
November 14, 2024 at 8:26 PM
I had such fun running ESS News as a stand-in Editor for my pal Marija last week - the storage industry is absolutely booming on all fronts www.ess-news.com
Latest updates on energy storage trends and technologies - Energy Storage
pv magazine’s ESS News brings you the latest news, analysis and opinion from the global energy storage industry.
www.ess-news.com
November 12, 2024 at 10:26 AM
I saw this Huawei IP event being promoted over on X/Twitter (https://twitter.com/Huawei/status/1686209616584245248) and realised I'd missed that Huawei just went and published its IP rates: $1.5 for 4G, $2.50 for 5G devices. Hm. https://www.huawei.com/en/news/2023/7/ipr-innovation-horizon
August 1, 2023 at 8:28 AM