Power Generation: Difference between revisions
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'''Power Generation''' is a core concept of the modpack, necessary at every [[tier]] beyond the [[Stone Age]]. There are many different options, available and useful at varying points of progression. So many options are available that it may be confusing to new players. This page lists many of the most viable power generation options, what tiers they are available and useful at, and how to use them.
== Steam ==
[[Steam Age|Steam]] is the first power source you have access to, and is the fuel for the first Bronze and Steel machines. Upon reaching LV, it is also the starter fuel for generating EU, but it falls off in the next two tiers due to how difficult it becomes to transport a lot of Steam around to match the EU/t demands of your upgraded machines, especially your Electric Blast Furnace.
Production: Steam is produced in boilers, of various types. All boilers require 1L of water per
The first set of boilers available are the Small Boilers. All of these are available in the Bronze age, and are the backbone of your first machines. Included in this lineup are the [[Small Coal Boiler]], the [[High Pressure Coal Boiler]], the [[Simple Solar Boiler]], [[High Pressure Solar Boiler]] and the [[High Pressure Lava Boiler]].
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GT++ adds Advanced Boilers, which are single block machines available in 3 tiers, from LV to HV. These produce 750L/s, 1500 L/s, and 2250L/s for each tier. They are fairly expensive to make, but are extremely fuel efficient, fit for specific applications such as powering a farm or other small automations. For setups that are running all the time, they quickly become expensive in terms of materials.
Next are the [[Railcraft Boiler]]s, available
Finally, there are the multiblock Large Boilers from GregTech. The first one, the Large Bronze Boiler, is available at late LV (as soon as you have MV circuits), with an upgrade in the following tier, the Large Steel Boiler. These run off (extremely large quantities of) any furnace fuel or flammable liquid. Running these off liquids is not really viable- Railcraft boilers run off creosote more efficiently, while most any other flammable liquid is better in a generator of some kind. These produce enormous amounts of Steam, 16000L/s (400 EU/t) for a Bronze and 1000 EU/t for a Steel Boiler. They also consume extremely large quantities of fuel, so it's important to automate the inputs from the start. They're extremely good for consuming solid fuel, but Railcraft Boilers are more efficient for using Creosote.
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Obtaining Fuel: Boilers require fuel to run, the two most common being Charcoal and Creosote Oil. These fuels can be obtained from 3 main sources - the Railcraft Coke Oven, which is cheap and obtainable early but very slow, the Advanced Coke Oven which is much faster (90x the speed of the Coke Oven), but more expensive and with no Creosote output, and the Pyrolyse Oven, which is the most Expensive but produces Charcoal and one of several fluids very quickly. Coal Ore, too can be processed in a Sifter to get large amounts of Coal to produce Steam which, and it is actually renewable from some sources, such as Withereed.
In later tiers, large quantities of Steam or, more specifically, Superheated Steam can be produced by the use a [[Large Heat Exchanger]] fed by lava, which is able to be produced infinitely in several ways, the most popular being Everburn Urns from Thaumcraft. Another way to get Superheated Steam is through the Large Titanium Boiler and Large Tungstensteel Boiler, which are built similarly to their earlier counterparts, but run only with specific fuels, mainly the Solid Super Fuels, at a much faster rate.
Used in: [[Steam Turbines]]. Remember that each steam turbine has an efficiency percentage, which will affect the EU/t values listed above.
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Benzene is another renewable fuel, made from charcoal and wood tar in a pyrolyse oven and later in a ICO (Industrial Coke Oven). It is fairly simple to make, but requires several fluid extractors to run at max speed. It is first available at MV, requiring an MV distillery to obtain it from Wood Tar, and it gets significantly stronger in EV when ICO and multiblock turbines become available. Benzene is viable until LuV+ (you can even use it all the way to UHV if you spam enough XL turbines, but with regular turbines you should plan to switch to fusion as soon as possible).
Warning: XL Gas turbine no longer accepts benzene in the
The first step is creating Wood Tar and Charcoal from wood. Using nitrogen recipe is highly suggested. Then send all the outgoing Charcoal to Fluid Extractors to be made into more Wood Tar, then send all of that into an MV Distillery to be made into Benzene. After having reached HV, the Distillery can be replaced with a Distillation Tower, which outputs Toluene, Phenol, Dimethylbenzene and Creosote alongside the Benzene. The first two are good fuels as well, alongside being useful for other chemistry.
Nitrobenzene is a upgrade from benzene and can be produced in a gt++ chemical plant (there is a recipe in the large chemical reactor but it should not be used if nitrobenzene is for powergen).
Used in: [[Gas turbines]]
== Solar Panels ==
Solar panels are available in
Production: Solars up to ULV are crafted
Thaumcraft offers an option to make compressed solar panels. These take 8 panels of the previous tier to produce 10 times more power, so even if recipes become exponentially more expensive there's a bit of advantage. Octuple compressed solar panels can produce 100,000,000 EU/t, which is almost 200 times more than a UV solar panel. Moreover, there are infused versions of compressed solars which produce even more power under certain conditions. For example, octuple aqua infused solar can produce up to 600,000,000 EU/t while in thunderstorm. These also have the added bonus of being very TPS efficient, which is very important late game.
== Magic generators ==
Similar to Solar Panels are the Magic Energy absorbers, which can generate power from LV to EV passively, using energized nodes or a dragon egg placed on top of it. It is fairly expensive compared to non-passive EV generators, but considerably cheaper than EV solars, so it can be a good solution for powering multiblock miners, farms, etc in the midgame.
Magic energy converters consume various resources, and make up to one HV ampere. They can power farms that produce those very resources, for example 4 master magic energy converters can supply 1 amp of EV power to an [[Extreme Extermination Chamber | EEC]] that makes forbidden magic shards among other things.
[[Large Essentia Generator]] is a magical multiblock that consumes different essentias to produce EU. This is a WIP and a subject to change, though if you have decent progress in Thaumcraft, it can be a viable power source up to UV.
== Nuclear Reactors ==
They're available starting in EV, and are pretty good. See the [[Nuclear Reactors]] page for details.
== Large Heat Exchanger / WWXL / Extreme Heat Exchanger ==
These multiblocks all produce steam by consuming some kind of hot liquid. They typically work as a middle step between nuclear or [[Fusion Reactor | fusion reactors]] and [[Steam Turbine | steam turbines]] to produce even more power at the cost of more processing steps. All heat exchangers blow up if not properly supplied with water or distilled water.
* [[Large Heat Exchanger]] consumes hot coolant, lava or solar salt (hot) to convert distilled water into steam or superheated steam. It also returns the cold version of respective coolant. For example, lava is converted into pahoehoe lava which can be centrifuged for some basic resources: copper, tin, silver, aluminium, phosphorus, titanium and tungsten (though not very much and requires quite a bit of power).
* Whakawhiti Wera XL acts like 16 Large Heat Exchangers in one, and can only process lava and hot coolant
* Extreme Heat Exchanger can either act like basically 10 Large Heat Exchangers, but its main purpose is to create supercritical steam from plasma. It will only generate supercritical steam from plasma, not lava or hot coolant, and it is the only source of supercritical steam.
* Thermal Boiler can consume lava, pahoehoe lava or solar salt (hot) and makes either superheated or regular steam. It isn't known for high throughput rate but is quite cheap and can return small amounts of rare materials from lavas without centrifuging, among them: gold, silver, tantalum and tungstate.
Large Steam Turbines consume steam and return distilled water, Large HP Steam Turbines consume superheated steam and return steam, and Large SC Steam Turbines consume supercritical steam and also return steam.
Hot coolant basically comes from nukes (it can also come from Deep Earth Heating Pumps, Bees, and a few other sources, but these are all hilariously unviable).
Lava can be made from some bees or by pumping the nether, but in the quantities you need it, Everburn Urns or the Blood Magic Serenade of the Nether are preferred.
Plasma comes mainly from fusion reactors (there are some exceptions like Hydrogen Plasma from the Cyclotron but these are not really relevant for power gen).
Finally the solar salt (hot) comes from the Solar Tower. Its not a mainstream power source due to its high price in materials and relative setup complexity.
==Kinetic Wind and Water Generators==
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Warning: XL Plasma turbine is changed significantly in the current dev version, with harsh penalties being applied to plasmas with low energy density that run through good turbine blades. The latest version that is confirmed not to contain this change is 2.3.3.
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== Eye of Harmony ==
▲The first tier solar requires 8 1 volt solars in the alchemist crafting table, second tier requires 8 single compressed, etc. Starting from triple onwards, it will require infusion. Read the [https://gtnh.miraheze.org/wiki/Infusion_Automation Infusion automation guide] for help on automating these solars. The maximum tier is 8 (Octuple), and requires 16777216 1 volt solars, which breaks down to [https://docs.google.com/spreadsheets/d/1E6J7cFoaiCGYgUb96yl7WkCTqdtDRGdOm-OTR4Zn3kA/edit#gid=157395997 this] in raw materials
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