Finally completed my Space Age run to the point where I'm reasonably satisfied. The Nauvis base is built for 28.8k SPM, half of it is fully functional (getting about 130k eSPM with half the base). The other half is waiting on 3000 legendary speed and prod modules + legendary biolabs which will take many hours. It was certainly an interesting build since apart from Fulgora this was the most logistically challenging.

Performance has been good so far, expected to improve with further productivity research. Mining research 300+ is crazy, my 8 wagon trains fill up in 1 second with direct mining.

The limiting factor now is Promethium science for which I have a ship but I haven't really measured performance, seems to get about 200k chunks per hour on a round trip.

The base is extended from my mall at the south which has modular areas to change production depending on needs. 

The base has 22GW Fusion when fully legendary + backups of 2.5GW nuclear and some solar.

Galaxy of Fame: [https://factorio.com/galaxy/Tungsten%20II:%20Epsilon2-4.D1U2/planets](https://factorio.com/galaxy/Tungsten%20II:%20Epsilon2-4.D1U2/planets)

I made some posts about the various bases I've worked on previously:

* Modular Mall: [https://www.reddit.com/r/factorio/comments/1o4jzef/premegabase\_mall/](https://www.reddit.com/r/factorio/comments/1o4jzef/premegabase_mall/)
* Vulcanus Base (this is from my previous save but I loved the design so much I improved on it for my current run - see Galaxy of Fame for the newer map): [https://www.reddit.com/r/factorio/comments/1iqqe3u/tungsten\_specialty\_manufacturing\_co\_480\_sps/](https://www.reddit.com/r/factorio/comments/1iqqe3u/tungsten_specialty_manufacturing_co_480_sps/)
* Fulgora Base: [https://www.reddit.com/r/factorio/comments/1oqs902/fulgora\_base\_zero\_43k\_spm/](https://www.reddit.com/r/factorio/comments/1oqs902/fulgora_base_zero_43k_spm/)
* Gleba Base: [https://www.reddit.com/r/factorio/comments/1ohb12b/43k\_spm\_gleba\_base\_94\_certified\_fresh/](https://www.reddit.com/r/factorio/comments/1ohb12b/43k_spm_gleba_base_94_certified_fresh/)
* Aquilo Base: [https://www.reddit.com/r/factorio/comments/1owsgl9/aquilo\_megabase\_72k\_spm/](https://www.reddit.com/r/factorio/comments/1owsgl9/aquilo_megabase_72k_spm/)

Space Age Completed! (28.8k SPM)