[Rws48]

I have a residential meter base at the entrance of my property and want to run power to the back which is 2000 ft , what's the best way to do this, I want a 100amp box at the end

 

[mpoulton]

The best solution is to have the utility run high-voltage underground primary back to your building site, and place a pad-mount transformer there. Otherwise, you will probably need to use a large transformer at each end to provide 480 volts, for the long wire run, and use 400kcmil wire. That's an expensive project.

 

[Let it Snow]

At 240 volts, 1000MCM copper will give you 100 amps at 1,100 ft.
Since the cost for three conductors is about $71 per foot and only gets you half way there, listen to mpoulton

 

[Wiredindallas]

Is there any other loads on this meter at its location? I think a visit with the power provider is needed to determine what options they could offer.

 

[seharper]

At 240 volts, 1000MCM copper will give you 100 amps at 1,100 ft.
Since the cost for three conductors is about $71 per foot and only gets you half way there, listen to mpoulton

So you parallel it. Two 1000 kcmil copper - that's what I have in my shop from DC to busway (15'). 2 parallels of 1000 kcmil, now you're at $142 per foot x 2000' ... I'm not so good at math but how bad could it be, right?

OTOH parallel two 1000 kcmil aluminum, so 6 wires is $20.40/foot x 2000, again not so good at math but probably find that in your couch cushions I'm sure.

Seriously though, let's try two 25 KVA 240V-600V transformers, random web price $1930 each, Amazon price for used $630 each... That puts us to 40A @ 600V -- calc is yelling at me saying you can't parallel wires that small... that's a good sign... set parallels to 1, survey SEZ 3.61% drop @ 40A == 3/0 Al. So for all 3 wires $2.01/ft x 2000.

And that's not even using *high* voltage, just run of the mill XHHW.

Amazing how fast the price comes down when you put your thinking cap on.

 

[rjniles]

Another vote to get the POCO involved with a new primary line to a pad mounted transformer.

 

[mpoulton]

I messed up my wire size calc - it's actually only 4/0 Cu or 300kcmil Al at 480V. At 600V (a better choice still) it's 2/0 Cu or 4/0 Al. Primary voltage from the utility is definitely best though.

 

[seharper]

Weird. Did you insist on 3% at 100A (breaker trip current?) Don't do that lol.

In Canada you either use actual drawn load (if known) otherwise 80% of breaker trip, and 3%. Since current and voltage drop are proportional, if you get 3.75% at 100% you're guaranteed good. The US gives you latitude to shrink wires further based on practical need or provisioning calcs. 5% is not a crime lol.