A little more information on what the numbers mean would be helpful. I assume the production rates next to power plants are per power plant? What about storage: What does storage levels affect? Since auto-sell does not start unless storage is at full capacity, I do not see any reason to have much storage nor reason to invest in storage enhancing techs as it only means it takes that much longer to fill up and start auto-selling. What about auto-buy: It seems to only buy when stock is zero, and only buy enough for one "tick" of production. So it's not as useful either; I am better off stocking up when prices are low instead of letting auto-buy use up all my capital buying when prices are high.
From a design perspective, having such things in the game only make sense if they provide some kind of need, worth, and/or value--otherwise there is no incentive for people to play the game or utilize the ... "feature" ... while playing.