Changes the visual effect of nighttime to look more like daytime and less dark and gloomy. The default is a blend that's 30% of the way between night and day, but you can configure it with mod settings in the main menu (changes require a game restart) This mod is purely cosmetic and does not affect solar power or the length of day/night - only the appearance is changed.
Providing the player with new tools or adjusting the game interface, without fundamentally changing gameplay.