A couple things:
I will avoid discussion about energy loss, assuming that you are playing 1.5.2;
If you are trying to transport steam, remember that the volume of steam you generate is quite high. I am not exactly sure what the maximum throughput on a liquiduct is, but consider that an output is only 80 mB/t. Though liquiducts function very much the same as EU-cables, in how the throughput is handled, eventually you will reach the limit. Using steam will cause you to have to calculate exactly how much power you are needing at the source and then to realize that you have a maximum limit that can only be expanded by adding another parallel liquiduct. This might be something to plan ahead for and to implement early.
In my base, a for my convenient I transport biofuel around. Biofuel/fuel is the most energy dense fuel in the game. When run off of combustion engines you can generate 5-6 MJ/t each. Though this cannot compare to industrial steam engines (8 MJ/t), realize that the infrastructure required for steam boilers, the throughput of steam, etc. is expensive. These systems are also continuous, i.e. you cannot turn them off.
For now, I bottle up my excess biofuel into cans. I keep them in my AE system which is accessible throughout my base. I build localized, modulated engine setups that run off biofuel. I simply feed the cans into a liquid transposer and voila you have energy. This has major drawback. Unless you are actually producing an excess of biofuel, or can correctly gauge how much of your reservoir to be canned, you can quickly throw off the balance. Right now, in addition to requiring canned biofuel, I am running 160 combustion engines continuously /w 12x36 HP steam boilers. I am approaching the limit of how much my biofuel system can generate before it requires expansion.
The best, most involved way might be to use a central REC charging room run by turtles. If you are using AE, you could precisely-format a storage bus to accept empty/not-full RECs, have turtles take them out, mount them onto a conduit line and then throw them back into your AE system. What this would allow you to do, is that at every location where you require energy, you could also have another turtle programmed to take RECs out of your AE system (whatever strategy you choose) and then to throw them back into the system when they require charging. Consider having two turtles running simultaneously as to prevent the down time for when the turtle is exchanging the REC.
This also means that you have full RECs on hand and that the system is pretty expandable. I like the last option best, tbh.
