And if there was one, the answer here probably would be deleted as site promotion.
But let me give you this link http://www.world.org/weo/energy
It calls itself "Top 100 renewable energy sites". That's certainly technology. However, it isn't a blog, so it might be not what you're looking for. because the set of blogs is a subset of the set of sites.
Kees
Hai guys can any one please clear my doubt what is the list of Technology Blogs? with some real time examples.
Thank you all.

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic