Thanks for the education. Always trying to learn
Well, it seems like I should be 6'-4", 235 lbs, 5% body fat, ridiculously good looking, obscenely wealthy and able to point at any woman and say "booya" and have her hit the big O instantly right there.cheeky said:Digging a trench seems a lot cheaper than building towers. What special costs go into burying a wire vs overhead. The easement expense should be the same. No?schmellba99 said:The larger kva you get, the more per lf increase in price.Gunny456 said:
I have never understood why America insists on running all power lines in the air. Many European countries bury all transmission lines.
The excuse is " it's too expensive". But yet when hurricanes and tornadoes wipe them out there is always plenty of money to rebuild….. from taxpayers and rate hikes.
We can bury gas pipelines but not electrical lines. Seems it would prevent weather related power outages and be a lot more secure from military threats…. to say nothing of the aesthetics of not having all that crud sticking up in the air.
It would cost around 10x-15x per linear foot to run 354kva underground versus overhead.
345kva runs ~ $1.5mm to $2.5mm per mile to run overhead. That same line would be in the general ballpark of $25mm per mile if you buried it. Take a 100 mile run - overhead it would be ~$250mm to construct whereas if you buried it that same cost would be ~$2.5 Billion. That is a significant difference in cost, and one that most utility providers simply cannot afford without having rates jump from $.15/kwh to $1.50/kwh or more. I doubt you or anybody would be all on board with their electric bill going from $200 per month to $2,000 per month.
Smaller lines can, and often are, run underground because it is far more cost effective in the short and long run to do. But you can't apply the same logic to everything because it doesn't work unfortunately.
Too much common sense! Unrelated, but I like to start my visits to the doctor with "hey, I googled my symptoms and...."AgLA06 said:
I find this thread interesting and something getting much more common in professional fields these days.
Ignorance is getting to be a much larger problem since the internet and social media allow much more of the population to believe they have knowledge on highly complex issues they simply do not. It used to mean people realized they weren't versed in the topic and dropped it. Now there's grass root movements and petitions because of it.
So we get a lot of "I believe" or "I don't believe" or "if we really wanted to" that has nothing to do with reality. It's the same in O&G and commercial development and medicine or any other field that requires a high level degree and industry experience to be proficient. Yet Karen or Dale see something on Facebook and are now leading the crusade in the name of change for the greater good.
Oh, I'm sure they love that.rme said:Too much common sense! Unrelated, but I like to start my visits to the doctor with "hey, I googled my symptoms and...."AgLA06 said:
I find this thread interesting and something getting much more common in professional fields these days.
Ignorance is getting to be a much larger problem since the internet and social media allow much more of the population to believe they have knowledge on highly complex issues they simply do not. It used to mean people realized they weren't versed in the topic and dropped it. Now there's grass root movements and petitions because of it.
So we get a lot of "I believe" or "I don't believe" or "if we really wanted to" that has nothing to do with reality. It's the same in O&G and commercial development and medicine or any other field that requires a high level degree and industry experience to be proficient. Yet Karen or Dale see something on Facebook and are now leading the crusade in the name of change for the greater good.
AgLA06 said:Oh, I'm sure they love that.rme said:Too much common sense! Unrelated, but I like to start my visits to the doctor with "hey, I googled my symptoms and...."AgLA06 said:
I find this thread interesting and something getting much more common in professional fields these days.
Ignorance is getting to be a much larger problem since the internet and social media allow much more of the population to believe they have knowledge on highly complex issues they simply do not. It used to mean people realized they weren't versed in the topic and dropped it. Now there's grass root movements and petitions because of it.
So we get a lot of "I believe" or "I don't believe" or "if we really wanted to" that has nothing to do with reality. It's the same in O&G and commercial development and medicine or any other field that requires a high level degree and industry experience to be proficient. Yet Karen or Dale see something on Facebook and are now leading the crusade in the name of change for the greater good.
It's right up there with the random person with no knowledge of anything after seeing the 30 second media clickbait segment saying "they should just do....".
This.schmellba99 said:reineraggie09 said:schmellba99 said:The larger kva you get, the more per lf increase in price.Gunny456 said:
I have never understood why America insists on running all power lines in the air. Many European countries bury all transmission lines.
The excuse is " it's too expensive". But yet when hurricanes and tornadoes wipe them out there is always plenty of money to rebuild….. from taxpayers and rate hikes.
We can bury gas pipelines but not electrical lines. Seems it would prevent weather related power outages and be a lot more secure from military threats…. to say nothing of the aesthetics of not having all that crud sticking up in the air.
It would cost around 10x-15x per linear foot to run 354kva underground versus overhead.
345kva runs ~ $1.5mm to $2.5mm per mile to run overhead. That same line would be in the general ballpark of $25mm per mile if you buried it. Take a 100 mile run - overhead it would be ~$250mm to construct whereas if you buried it that same cost would be ~$2.5 Billion. That is a significant difference in cost, and one that most utility providers simply cannot afford without having rates jump from $.15/kwh to $1.50/kwh or more. I doubt you or anybody would be all on board with their electric bill going from $200 per month to $2,000 per month.
Smaller lines can, and often are, run underground because it is far more cost effective in the short and long run to do. But you can't apply the same logic to everything because it doesn't work unfortunately.
I'll step in it and have the opportunity to look dumb. I don't understand why it's 10x more expensive in sparsely populated areas. I understand cities with navigating structures but not rural areas. The transmission line should be the same. (1) You don't have the cost of the materials and labor with the poles (those can't be cheap). (2)Instead you have the cost of the underground conduit. I would bet one pole would buy a decent amount of linear feet of conduit. (3)Additionally, the labor should be comparable with the added cost of needing to do stuff in the air vs standing in the ground. Maybe some added cost in trenching. But I can't believe it actually costs 10x.
I'm not saying it isn't charged 10x just that it shouldn't cost that much. I'll shut up and take my medicine for my ignorance now.
1. The poles and/or the structural steel transmission towers aren't that expensive in the grand scheme of things to fabricate and construct. They are made from standard W, L, C and tube shapes that are readily available, easy to assemble and designs generally are already done. They can be fabricated and erected in a fairly short amount of time. Poles can be set even faster.
2. UG conduit - especially for a large load line like a 345kva or whatever, would be substantially large. Most of the time you are looking at 8" diameter HDPE. And it isn't just one conduit - you need ~8 conduits for a single circuit. Plus the access manholes, which would be large. Plus the excavaton costs, backfill costs, concrete encasement costs at various areas where protection would be paramount, plus the cost to weld the conduits since 8" HDPE would be in 40' joints. That would be 132 welds x 8, so 1056 welds per mile of transmission line (assuming no additional bends, fittings or surprises along the way), plus any tunnelling or boring that would be required, etc, etc, etc. Simply put - all of these things add up in costs to about 10x-15x per mile more expensive than running overhead. Oh, and the wire isn't the same wire either - UG wire is singificantly more expensive than overhead wire because it has to have better jacketing (some overhead wire doesn't have any jacketing at all). More costs on to of more costs.
3. Underground construction is significantly more expensive - in any industry - than above ground for a host of reasons. If it were a 1:1 exchange we'd have everything in the world underground. But it isn't - subsurface work has always been and at least for your and my lifetimes always will be more expensive because of the nature of the beast. It isn't as easy as just digging a hole or digging a trench and throwing stuff in the ground.
Only in a tornado.Gunny456 said:
When they were building the LCRA line from Mc Camey to Comfort the towers were 250' tall and we watched them use multiple helicopters for days building them….along with specialized crane bucket devices to lift the lineman that high.
Looks like they use them (helicopters) now for maintenance instead of bucket trucks.
I did not realize the standard bucket trucks I see the power companies use would raise to 250'.
https://air2.com/lower-colorado-river-authority/
O.G. said:
Just putting this information out there for any of you that may have property in or around the areas shown on the map. As I understand it, this will be the biggest powerline sytem ever built in Texas. I am also given to understand that there are currently no 765kv lines in Texas, so this will be new.
It is still in the review process but I do know that specific routes are beling looked at. Its still in the very prelim stage but once its approved it will go fast.
If you, or anyone that you know, receives a letter in the mail regarding this do not ignore it. It will not go away on its own. Some of the folks behind these projects are aggressive & operate from the perspective of a taller moral high horse than say, gas pipelines.
My best guess is that it will be 2026 before any real movement on this gets going, but I could be wrong.
Just from what I've seen in the 5 or so states that I've worked in on Right of Way, Politically speaking this will be approved. These things tend to get bi-partisan support, at the state level and in DC.
The first link below (Pioneer) is just for information about 765kv lines, I do not believe that Pioneer is involved in this project, I'm just grabbing their info. The next two links are relevant to Texas:
http://pnrtransmission.com/about/docs/Advantages-of-765kV.pdf
https://www.utilitydive.com/news/texas-regulators-approve-permian-basin-reliability-plan/728269/
https://www.rtoinsider.com/96979-765-kv-lines-texas-inch-closer-reality/



Don't worry, the creosote on those poles will only be washing off into the storm water for another couple hundred years or so.Mas89 said:
Which one of you guys works for Entergy? Their contractors changed out some old wood poles with new steel ones 6 months ago and left large holes, rock piles, and old poles blocking drainage and mowers. Substation is nearby but no contact info is on the facility.
Oh man, this grinds my gears.Mas89 said:
Hopefully my hay cutter won't hit it again. At least they didn't leave the guy- line anchor in the weeds again. Seems like nobody checks behind these contractors anymore. Fiber optic crews are the worst. Pipelines a close second.
Careful. That has names/address/phone numbers etc. on it.Ferris Wheel Allstar said:
yes, I have all that info. We are in the row #123 for it.
Sgt. Hartman said:
Barkhurst is good but a bit of a prima donna to me. You also might try Spivey Valenciano. Jim Spivey and Soledad Valenciano are both Aggies. Jack Ross is also an Aggie attorney that handles eminent domain but he may be working for the power company.
This needs to be the answer, and everybody that uses power should be contacting lawmakers to streamline the NRC so that we can actually use good technology and eliminate the need for massive long runs of powerline for distribution.JB!98 said:Believe it or not, even after all these years, we still have a hard time importing power from West Texas to the I-35 corridor and Houston. Some of this transmission work will allow for that through congestion relief, etc. The I-35 corridor is starving for capacity right now and will be until 2030.Chef Elko said:
Ah yes, the Permian region needs the largest transmission lines providing power from all across Texas. It's not like there was massive renewable buildout and the region produces the cheapest gas in the world with 20+ BCF/day of production. Stupid as hell
The electrical realities and forecasts from 2010-2015 have been turned on their head. I think I have shared before that Oncor currently has 30GW, yes GW of load requests in their queue. Now, we all think that only about 10GW of those are real, that is still a absurd amount of capacity. To meet this demand, it will take a historic amount of transmission construction. It would be a good time to be a transmission contractor.
For scale, CPS Energy's service territory is about 5.5 - 6 GW. So Oncor needs to build 2 CPS Energy's to meet their capacity needs if the real number is 10-12GW.
The shortcut here that will not happen in time is modular nuclear reactors built at the load centers themselves.
schmellba99 said:This needs to be the answer, and everybody that uses power should be contacting lawmakers to streamline the NRC so that we can actually use good technology and eliminate the need for massive long runs of powerline for distribution.JB!98 said:Believe it or not, even after all these years, we still have a hard time importing power from West Texas to the I-35 corridor and Houston. Some of this transmission work will allow for that through congestion relief, etc. The I-35 corridor is starving for capacity right now and will be until 2030.Chef Elko said:
Ah yes, the Permian region needs the largest transmission lines providing power from all across Texas. It's not like there was massive renewable buildout and the region produces the cheapest gas in the world with 20+ BCF/day of production. Stupid as hell
The electrical realities and forecasts from 2010-2015 have been turned on their head. I think I have shared before that Oncor currently has 30GW, yes GW of load requests in their queue. Now, we all think that only about 10GW of those are real, that is still a absurd amount of capacity. To meet this demand, it will take a historic amount of transmission construction. It would be a good time to be a transmission contractor.
For scale, CPS Energy's service territory is about 5.5 - 6 GW. So Oncor needs to build 2 CPS Energy's to meet their capacity needs if the real number is 10-12GW.
The shortcut here that will not happen in time is modular nuclear reactors built at the load centers themselves.
Dow is in the permitting phase to construct 4 SMR's in Seadrift, TAMU is looking to get 2 at Rellis and there are proposals for other areas to have them constructed as well. They should be what everybody is wanting in terms of power generation.
The biggest hurdle is our federal government and the absolute stupidity that they use day to day when it comes to pretty much anything, but especially the NRC.
If SMR's could be commercially utilized, the issue of transmission gets diminished significantly because the footprint of an SMR means you could plop them all over the place, thus reducing the need for long distance transmission lines in a whole lot of places.BQ92 said:
Far from being an either or equation
More generation and more transmission is required
1000 blue stars! My company would never touch the grid if we could quickly permit modular nukes, hell we would support the grid. There is only so much I can do with natural gas gen in non-attainment areas, another government road block.schmellba99 said:
Yep, it is absolutely pure garbage.
The Dow reactors are in the permitting process now. That could take as long as 4 years IIRC, and there is no guarantee they will be approved. This is AFTER something like 7 years of working with the NRC on every single aspect of the design of the molten salt reactors.
What on earth could they now need to review???
Like almost every other thing, government is the single biggest roadblock to getting technology from the drawing board to commercial application.
Id imagine the risk of infringement is calculated in estimated operating cost too when looking at below ground. I work in the midstream space and every year we are moving gas lines for road expansion etc. We (the company) do not have to pay for it but someone does (guess who).JB!98 said:Duct bank. You take PVC conduit and then encase that in concrete to protect the line. If you direct bury, then you have a greater chance of somebody digging into it, even if it is in an easement.CanyonAg77 said:
What concrete for buried lines?