241–250 of 462 posts
Earlier quoted context omitted.
Visited NYC several times. Metro was unbearable in summer because trains heated up outside and blasted the warm air into tunnels and stations through AC.
AC doesn't really create heat though, aside from minor amounts from the compressor/fan motors, it merely moves it from inside to outside, or into the metro stations as you mention.
Earlier quoted context omitted.
It's likely a combination of multiple factors. Texas, being a red state, most certainly has a stronger climate denial sentiment, which is going to affect policies and regulations. Texas may be unprepared because major hurricanes were uncommon in the past. Global warming means hotter temperatures which makes long power outages more unbearable. And probably other reasons I can't think of. I expect things will improve,…
>Texas may be unprepared because major hurricanes were uncommon in the past. Maybe, but no. Texas has its history of major hurricanes. While maybe not as popular of a target as Florida and New Orleans, but Houston definitely has as much of a bullseye on it as a trailer park in a tornado. Harvey was predicted well in advance that it was going to be a devastating storm. For days ahead I saw the up to 40" of rain and th…
Politics is definitely a factor.
Earlier quoted context omitted.
There's nothing wrong with it. But it would take lifetimes of money and time to retrofit a city like Houston to move all power infrastructure underground. And there is no way consumers would ever sign up for the cost to do so. It would be akin to building the Hoover Dam today. It would probably be one of the largest public works projects ever attempted.
Lifetimes of money, really? What is that measurement? Someone above said 2.5 million per square miles. Catastrophic damage from larger storms is often in the tens to hundreds of billions of dollars, so it feel like it would be in the best interest of most parties to embark on this project, even if it happens slowly.
Deregulation is a terrible idea for life supporting and necessary utilities, power specifically. By deregulating the market, everyone is forced to compete for a finite amount of transmission ability for low profits, each one trying to undercut the other IMO. It completely destabilized the Texas power market. At this point, it may be worth considering putting the Texas power grid into some type of federal receivership…
Between this and the ice storm s couple years ago Texas has shown itself incapable of utility grade service.
In general I think the disaster resilience afforded by home solar is simply not valued enough by subsidies and incentives policies.
Earlier quoted context omitted.
This wasn't a "grid issue." It is a last-mile issue. It's specifically an issue with the sheer amount of above ground power lines and population density. There is no easy fix, preparation, or practically anything else that can be done to prevent something like this. Plus, what causes the same amount of power outages (wind damage) isn't going to be different between 90mph winds and 150 mph winds. The effects are going…
What's wrong with below-ground power distribution for metropolitan areas?
In the transmission (long haul) part of the grid, there's already a lot of redundancy. But not as much in the distribution (last mile) part.
If you increase redundancy, you should be more resilient to e.g. trees knocking out power lines because there are multiple paths in more parts of the network.
I doubt full redundancy (two lines to every customer) would be realistic, but an increase in redundancy seems like a more practical way forward than just starting over completely with underground lines.
Earlier quoted context omitted.
Did you read OP's post?
Yes. I am also familiar with the technical challenges and cost of improving last mile electrical distribution to withstand hurricane force conditions where burial is not an option (whether because of a high water table or potential surge conditions, where equipment is suspended at a height above ground level on permanent scaffolding or pedestals). It is expensive, not impossible. It is a choice, and there is a cost.…
Note: this isn't a power grid issue. Texas is famously not connected to the national grid [1]. This is an issue of downed power lines. An obvious question is: why doesn't Houston have underground power? It turns out that Houston really shouldn't exist. It's built on a swamp. It's also hot so heat dissipation is an issue. So it's expensive [2]. Houston is also famous for its lack of zoning [3]. Combine this with a lot…
Geez. I thought LA was quite bad already.
Deregulation is a terrible idea for life supporting and necessary utilities, power specifically. By deregulating the market, everyone is forced to compete for a finite amount of transmission ability for low profits, each one trying to undercut the other IMO. It completely destabilized the Texas power market. At this point, it may be worth considering putting the Texas power grid into some type of federal receivership…
Texans basically should view grid independent home solar as a minimum requirement. Between this and the ice storm s couple years ago Texas has shown itself incapable of utility grade service. In general I think the disaster resilience afforded by home solar is simply not valued enough by subsidies and incentives policies.
Earlier quoted context omitted.
I disagree, and I speak from experience. We've been repeatedly hit by climate-change induced typhoons here (near the SF Bay Area), and hurricane-force gusts hit both of the last two years. Our area looses a lot of roads to mudslides, and of course we have extended power outages. Having said that, the first year, PG&E only delivered one nine of availability last year, and this year, they're closer to two nines. The di…
Houston actually has relatively low population density compared to other metro areas with only 3,842 people per square mile, and across the MSA (Houston is extremely spread out), that number is much lower. (Compare to, for example, Union City, NJ, with 54,138 persons/sq mile.) There are some 7.5 million people spread out across more than 10,000 square miles across the greater Houston area. Also, the water table is ve…