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COVID-19: My View From The Powerhouse

I thought I’d give some insight on the COVID-19 impact from my perspective in the hydroelectric power industry.  As a journeyman hydro electrician, I’ll provide a “boots on the ground” tradesman’s point of view.  I’ll do my best to give a short- and medium-term interpretation of this event’s impacts insofar as keeping the lights on.  While not as prevalent throughout the entire country, hydroelectric projects (dams) are the major supplier of electricity for the bulk of those already in the Redoubt and BC.  While all the windmills along the Columbia produce more political “warm and fuzzies” than actual power, dams are the reliable workhorses that make up the Northwest’s power backbone. Reasonable steps are being taken to keep it that way.  I cannot and will not speak to the rest of the country, but I would assume CoOP (Continuity of Operations) strategies are being implemented elsewhere and my situation is not unique. Coal, wind, solar, and nuclear have other logistical issues that hopefully someone else can elaborate on.

I work for a major public utility in the Northwest.  There has been no small amount of neither literal nor virtual ink spilled over the recent virus outbreak.  It’s a big deal.  My utility and pretty much every other public and private entity is taking it very seriously.  Almost a fashion statement, I literally just got an e-mail from a car dealership in Spokane saying they’re going on the defense as well.  But think about it: These bosses, whatever we may think of them, have a vested interest in keeping things going as smoothly as possible.  Whether they answer to the shareholders, board, or voters, they’ll all have their day within the next few months.  Dams and the power they produce are a necessity for the grid and most companies recognize them for the cash cows they are.  I’m not saying “Don’t worry, the government has it under control,” but I really don’t think this virus will render my sector with its overarching implications inoperable.

Digest:  E’ry little thing’s gonna be alright.

Don’t worry. I know I’m writing to the SurvivalBlog audience. Doom and gloom may abound, but a power outage isn’t the point to get freaked out about.  Spend your energy trying to get that last corner of your pantry stocked.  I’ve been asked this so many times it prompted a quick letter to the editor that morphed into this article.  You’ll probably still have electricity.  It’s a virus we’re fighting, not electrons and for you and yours, the concerns will most likely be something other than lumens.  That said, things could change over time.  Prepare as so many other articles have instructed.  Whether for an hour, day, or year, I do believe an extended power outage will occur sooner or later but that’s not the pressing issue.  Let me reiterate, I’m writing from an admittedly myopic position at the ground level and can only confidently speak specifically of the northwestern US and possibly BC, but I feel reasonable in projecting this across the rest of the nation.  My contacts at other utilities feel the same.  After getting many late-night panicked texts, I’m relatively confident the dams will still crank out electricity with even 3/4 of the crew out on sick bed.  Let’s take a look at this.

The Hydropower Basics

Most hydroelectric dams were built within the past 100 years, or so.  Given the rigorous structural testing involved for FERC re-licensing, which essentially focuses on making sure a dam won’t fail and flood the surrounding area, we’ll ignore other potential points of failure (Malicious software/hacking, Cascadia Rising, Supervolcano, EMP/sunspots, terrorism, etc) and focus strictly on what’s in front of at this point in time.  I do not intend to diminish legitimate concerns; those others are all considerations worth preparing for.  But I’m speaking to this moment, right now.  We’re facing a viral epidemic.  Let’s take a quick look at how power gets from the river to your living room light fixture and how such a virus would affect that light staying on.

Water goes through a pipe, spins a wheel that in turn spins a big ol’ magnet inside a coil of wires.  That coil forces electrons through more coils and then more and more coils, increasing and decreasing the voltage (pressure) in inverse proportion to the current (flow) as necessary, through your breaker panel, to the light switch and to the light.  As much as I’d love to geek out, there’s lots of material all over the web on this so I won’t delve further.  The more basic concern moves beyond principle to the application.  How would a viral pandemic prevent you from getting power to your house?  All of this, the water, rotor (magnet), coils (stators, transformers), are operated, regulated, cooled, lubed, and maintained by people or systems that people or computers directly control.  Let’s look at that.

Throwing a Monkeywrench

For a short-term scenario, let’s make it bad: A couple of operators, machinists, and electricians are out sick.  These are the key personnel.  Most the of the crew is home vacillating whether heads or tails to the porcelain.  Without managers, secretaries, and laborers things might get tough, but the lights stay on.  There’s still a skeleton crew of the essential core present at work during the day shift.  But that’s basically what a powerhouse would have on the weekend anyway.  If manned at all after normal work hours, most powerhouses only have a solo operator on night shift.  The generators do the work.  If everything is going well, the guy running the show is in the control room at their computer and, like most operators I know, he’s reading this article right now.

The generators will most likely be okay for a few days, probably a week or two, possibly months just spinning.  Throughout the decades, powerhouses have run on fewer and fewer people.  The reasons for this are generally the result of financial decisions and automation, both being intertwined.  From the financial standpoint, some power producers have decided to cut the bottom line and employ as few people as possible.  I’ll reserve judgment on ROI here, but that’s what most companies have done.  As for automation, this can potentially obviate the need for a human to be physically present for operation of the generators.  Most small powerhouses run by remote control until something goes wrong.  As long as things keep ticking along, there’s no need for someone to be there.  My powerhouse has a full day shift and retains a night shift operator, but the majority of powerhouses are unmanned except for maintenance or trouble calls.

SCADA-Managed

A system operator literally hundreds of miles away can get power at their beck and call, all through SCADA (System Control and Data Acquisition) and other systems.  The system operator can typically remotely ramp power up and down as necessary with the click of a mouse.  Power production is hardly unique to this.  Water and wastewater are complimentary services to electricity that utilize similar processes.  The basic modern necessities rest in automation.  While I could rant at length about robots taking my job, there are practical applications.  A simple indicator light or gauge can tell me the status of varying pieces of equipment so I don’t have to go physically check.  Motor-operated valves are a lot easier to operate from a touchscreen than physically cranking a 24” gate valve.  Much of the things being monitored are in hazardous or high-voltage areas.  I wouldn’t want to pay a human to hold a thermometer 24/7 inside what is essentially a giant radiator and call out the temperature every five seconds.  Let the computers do that.

“Let to computers do that.”  You’re reading this on a computer/phone/gadget.  Has it failed you in the past couple of weeks?  PLCs (Programmable Logic Controllers; i.e., computers) control the cooling water, gates, and most of the systems that regulate the eventual product, electricity.  Once online, most generators can run essentially on autopilot with little human intervention and can do so for days and weeks.  And most powerhouses have multiple generators.  When one has an issue or needs to cool down, operators can ramp up or synchronize another in.  Additionally, most powerhouses cannot run all generators simultaneously because there is a finite amount of water. During peak months when the snowpack is all melting is a different story but for most of the year, once the water is drawn down, there is no more “fuel” until it comes down the river.  By balancing the projected power needs and weather forecasts, dams are operated in such a way as to plan for this.

Many generators have operated reliably for 50+ years with ancillary systems being updated along the way as technology evolves.  One thing to bear in mind is that most power companies are late adopters of these latest technologies.  The new equipment must be proven reliable in less critical functions and industries before engineers are comfortable tying them into a machine worth tens of millions of dollars.  Because of this, the systems must have a generally solid track record prior to being utilized in this application.  While the whole system does need the occasional repair and preventative maintenance, there’s a fudge factor there.  Your truck doesn’t stop running because you didn’t change the oil at 3,000 mi when Grandpa said to.  Yes, I’m the guy who fixes them when they do (and they do!) break down.

A Network of Subsystems

A generator is not a singular machine but a network of subsystems.  Each of these has their own idiosyncrasies.  I personally know all of my generators’ “personalities” and can tell from each individual when she’s not feeling good.  But immediately, today?  Would they crash all at once?  I’m not a gambler, but I’d bet that everything isn’t going to blow up simultaneously.  Remember, we’re talking about a pandemic, not EMP, etc.  It goes against my grain to defer maintenance, but I know from experience that these durations are optimal for extending the machine’s life.  There’s some padding.  It doesn’t all go down the drain when I take a long weekend or vacation, so things should be okay for a while.

I’m not saying to not worry.  But your power will probably stay on.

So that’s my short-term outlook.  With operators working night shifts, the exposure to a virus at work would be staggered.  Given that we’re all individuals with different immune systems, vectors, and patterns of movement, not everyone would get sick at the exact same moment or for the same interval.  One guy would be out for a week, one guy for a few days, all in turn as it sweeps through the powerhouse and community.  Remember that most powerhouses are at least somewhat rural.  Considering these are all reasonably healthy individuals not fitting the mortality profile, most will be back to work sooner or later.  Some will be home taking care of sick family as well, but we’ll have schedule coverage.

Let’s look at the medium term.  Suppose most of us have gotten sick or are still in the throes of illness.  We have a skeleton crew that’s one third of our typical makeup.  Barring any statistically improbable major breakdowns and factoring the engineered redundancy inherent to generators, most of them are still going, but we’re coming up on maintenance.  That’s where things might get tricky.  What does a hydroelectric generator need to run?

Water Is Our Fuel

Water is obviously the primary factor and is truly out of our control.  Our “fuel” availability is based on seasonal snowpack, temperature, and environmental situations outside of our immediate control.  Beyond manpower, oil and components come first to mind for me.  I am electrician and not an economist, but I know power and oil prices are closely tied, being effectively the same.  Energy prices are closely related to your ECON 101 basics of supply and demand.  With a broader economy hamstrung with low consumption due to an outbreak, production and, thus, power demands, will decrease. We’ve seen this before and we’re seeing it now.  Oils need for generators, although measured in the thousands of gallons, are small potatoes in the greater picture.  Fuel prices are down, so oil should be cheap, right?  The problem is, this particular oil is specially manufactured to EPA, etc, specs.  If demand and prices are down, oil production will also be slowed.  While bearing oil can be filtered, it does break down over time.  This would be a problem after an extended period but, if responsible maintenance intervals had been followed prior to the outbreak, this oil should be okay for the next several months.

Consumables

Generators also have a few other consumable parts.  Carbon brushes for excitation wear down at varying rates.  Most journeyworkers I know take a conservative approach and change these well before they’re worn out.  As such, we go through a significant amount of brushes and keep a deep stock.  Many of these could probably get at least half again as much life before requiring changeout if closely monitored.  There are several other greases, filters, etc. that, although I hate to say it, could most likely be deferred for a short while.  This is not ideal, but we could stretch some extra life out of them.

However, we’re running out of parts.  Most control equipment is solid state electronics and we’ve been able to skate by on spares for a few months with the occasional breakdown.  A typical modern generator runs parallel systems operating in tandem so when one quits the other keeps going.  Others have a new system backed up by older, less granular monitoring structures.  Due to regulatory agencies, redundancy is the norm. Think about your home computer.  Yes, you get the occasional glitch or virus, but that’s usually because of its multiple functions.  But if all you did was one thing all day long with no other purpose and no outside influence, odds are it’d stay up and running for quite some time without missing a beat.  I’m too young to remember the good old days when you could actually fix these things yourself.  Instead, swap out a card, throw the old one in the trash bin.

All in all, solid state components with no moving parts generally last a long time.  I’m not saying they can’t fail.  They eventually will.  But I’m also a believer in probability.  However, for the sake of argument, let’s say a generator’s main PLC fails. With a redundant system, the backup would take control.  Please remember the scope of this article is speaking to the short- and medium-term.  That secondary system should be able to get us through the duration.  The primary system has been in place for several years and only just now gave up the ghost.  This is why we have redundant systems.  Even a governmental bureaucracy can understand “Two is one, one is none.”  And, if this generator totally goes down, remember factories and other power-hungry industries are offline and not needing juice so we probably have a few other generators just idling.

Power Distribution

They say to write what you know, so I’m focusing on powerhouses.  But I’d be remiss to leave out my lineman buddies and their place in this.  The distribution system is also worth mentioning.  Power generation is no good without a way to get the power from Point A to Point B.  There are multiple breakers, transformers, and miles of line that comprise the most geographically significant portion of the system.  Bearing in mind we’re talking a viral outbreak, these systems could be potentially indirectly vulnerable to some extent.  Line and tree trimming crews are tight-knit groups that work and travel often in close quarters.  One asymptomatic individual could quickly infect their entire 2-6 person crew just by driving to a job.  That one person could take their whole group out of commission for a while.  Working with another person out of a bucket at the end of a boom is an awkwardly intimate experience.  You can smell what they ate for lunch and there is nowhere near enough room for your personal bubble.  If one person is sick, their coworker will almost inevitably catch the bug.

However, as for the physical equipment, most substations are unmanned and remotely operated.  Furthermore, a substation is typically comprised of stationary equipment, much of which goes years without major maintenance or even being operated.  Aside from clearing fallen trees from lines, repairing them, and the occasional distribution transformer failure, most transmission and distribution electrical equipment could continue to operate as designed for extended periods between absolutely necessary maintenances.

I wish I could say every utility keeps multiple warehouses full of stock to fix every emergent problem immediately.  However, with logistics, billing, and general bureaucracy, this simply is not the case.  In a medium- to long-term situation, necessary parts might not be available.  As it is now, it can take two months to order and receive something I could just drive to Home Depot and get off the shelf myself.  With a manufacturing slowdown or complete stop, this could lead to generators going offline one by one.  Like any machine, parts do wear out and necessitate replacement.  Things can effectively die of old age.  I feel, however, given a pandemic situation with the hardest part lasting maybe a year, the lights going out would be a concern secondary to more immediate food and medical shortages.

In closing, I don’t believe that a power outage is a major concern at this time.  With the coronavirus being the issue at hand, people will get sick, life will be hard, but the power will stay on.  Electrical crews will probably each in turn get the bug, be out for a few weeks, and go back to work.  Recognizing itself as a lynchpin to modern life, utilities have robust equipment in place in addition to reliable and inherently redundant systems. While impacts to the individual employees will be felt, if the coronavirus spreads as anticipated, the power most developed nation residents take for granted will still be there.  You’re not going to be in the dark and I’m more concerned about getting one last roll of toilet paper.  Take care. – Journeyman

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#1 Comment By Tunnel Rabbit On March 16, 2020 @ 8:44 am

This is indeed reassuring, however, here in Montana, we lose power several times a year. Without crews to fix it, the outages could last for days, or longer. Clearing trees off the lines is a big deal. We’ll need those linemen. Of course being off grid, I usually don’t notice, but if the power goes down and stays down locally, many people will not have another way to heat their homes. The main thing is that it should stay up regionally. Thanks for the article.

#2 Comment By Anonymous On March 16, 2020 @ 11:44 am

Excellent! One of the most well written articles I have read on SurvivalBlog

#3 Comment By Anonymous On March 16, 2020 @ 12:41 pm

Thank you for the inside news on power stations . I live near two smaller dams and always thought those guys running the dams would make sure that their local home town always had power . Because that is where their family and friends live.

#4 Comment By WV Joe On March 16, 2020 @ 12:42 pm

Very Informative. Thanks for this article.

#5 Comment By James On March 16, 2020 @ 1:35 pm

For those who follow Q this is an interesting take. Along with that more mass arrests in Suadi Arabia, All daily flights and ships to GITMO stopped tracking yesterday too.

[1]

Let us hope this is indeed the case!

#6 Comment By Henry Newton On March 16, 2020 @ 2:44 pm

If you would like to know the voltage (DC) induced on a power line (or anything that acts as antennae) then fully examine the following GitHub.com drop boxes. — ‘EMP’- USAF document # AD 777841.PDF by Terry C. Chapman. Coding has been accomplished by 3 PhDs via OCR on the original FORTRAN coding. We verified the computer code – now on ‘GitHub.com’ for 6448 volts/meter at [2], and a partial proof of 50,000 V/m & an indication of 100,000 V/m – at [3] –Subject is High Altitude – ElectroMagnetic Pulse & Nuclear Physics: Also a New – Digital Library for “HEMP” & as PDFs – is now available at – [4] The Louisiana Grid Coalition members have done this work. “Henry Newton Independent Security Professional & Engineer “on LinkedIn”. – [5] – NDRC-

#7 Comment By Shamus On March 16, 2020 @ 3:33 pm

This was an excellent read…and reassuring! Thanks so much for taking the time.

#8 Comment By Montana Guy On March 17, 2020 @ 1:33 pm

‘Amen!’ to that!

#9 Comment By St. Funogas On March 16, 2020 @ 5:45 pm

Hey Journeyman, thanks for the write-up, pretty fascinating stuff.

What’s the average age of the guys working in the hydroelectric dams? Linemen seem to be younger crews and probably won’t be as hard hit by the coronavirus as us older geezers, so I’m wondering about the age of the guys in your line of work.

#10 Comment By Amy On March 17, 2020 @ 11:55 pm

St Funogas, this is Mama bear. I found a source for some non GMO sugar beets seed. A local place is getting some shipped in next week. Call Christopher’s Nursery in Lakeside Arizona at 928-368-6723. Chris said he can make arrangements to mail it.

#11 Comment By St. Funogas On March 18, 2020 @ 1:01 pm

Thanks a bunch Mama Bear. I tracked some seed down at a place called Mabe’s Warehouse. It was supposed to arrived today but… everything’s delayed. I’ve written down Christopher’s Nursery info in case it never shows up for one reason or another, or they discover it’s from a GMO contaminated batch as well. Thanks again and good luck with your sugar beets. I’m trying sorghum this year as well. 🙂

#12 Comment By Journeyman On March 29, 2020 @ 2:21 pm

Journeyman here. As as update, things are pretty much going as I thought they would. No one in my geographical area is sick yet, but we’re taking measures to keep the lights on.

I’ll say while I’m no longer “the kid” now that I’m in my mid-30’s, I’m still one of the younger employees. Off the top of my head, I’d estimate the median age of our workers to be in their early 40’s. Apprenticeships have been making a large impact (especially for me as I’m the result of one!). From what I’ve seen, after the 2009 financial crisis, some highschools have begun encouraging them. This brings in kids and young adults who aren’t willing to go into debt or maybe got to college and found out it wasn’t quite what they were after. As a graduate, I’ll assert it is not just where the “dumb kids” go. These are serious courses and require a significant amount of math, science, theory, writing, etc. The median age in my company and others is slowly drifting lower as the previous generation retires and a new batch comes in. We need more engineers, doctors, nurses, and doers, but I’m not so sure a yoga major has much to offer right now. Don’t waste four-plus years on an underwater basket-weaving degree. These can be six-figure jobs that I didn’t even know existed when I originally signed up for college. Talk to your kids!

#13 Comment By Jim Rodgers On March 16, 2020 @ 6:43 pm

THANK YOU for this great article, and much-needed message.

#14 Comment By Telesilla of Argos On March 16, 2020 @ 7:07 pm

This was such an informative piece, and greatly appreciated contribution to our shared base of knowledge as a community!

#15 Comment By Tom On March 16, 2020 @ 8:53 pm

Excellent – Thank you a million for writing this.

I would love to encourage others with knowledge in other critical industries to report in as this gentleman has done.
Natural Gas, Oil, Refineries for gasoline and diesel, grocery distribution.
We already know that our government has utterly failed us on both properly stocking PPE and on the coronavirus testing.
Good to hear that maybe SOME other critical areas wont be as incompetent.

On the front line of hospitals – just South of the redoubt region, I can tell you that ALL anesthesiologists are just below full-panic mode.
ALL docs – except for maybe dermatologists (just a old joke) are bracing for impact.
EVERY SINGLE hospital has failed to properly stock PPE (masks etc) and they are ALREADY being “rationed” – so MANY MANY docs WILL get sick, and many will be seriously ill – or dead. The weaker of soul will abandon post – we have no idea how many that is at this time.
It is a forgone conclusion that we will be out of ventilators.
MANY anesthesiologists have done the same thing that JWR recommended and purchased a Oxygen Concentrator to be used at home as a last line of defense against death. Many did this in January when they saw Wuhan.
Docs are super stressed out and worried about dying and leaving their families without support or income.
They are, in many many cases being treated like cannon fodder – just sent in without adequate PPE and receiving HUGE doses of virus all at once, and being overwhelmed by it.
We would all rather face some other challenge…. this one is horrible because it takes out the providers and their families…. who will care once the caregivers are gone?

In my state they pulled the med students from helping. This is because of “insurance reasons” CALL YOUR GOVERNOR and get them insurance – we NEED ALL HANDS ON DECK. The younger med students are less susceptible to being seriously ill – we NEED THEM. Get the governor to use their emergency powers to cover ALL med students and ALL nursing students and ALL retired practitioners so they can go work to help save lives – the governors need to take care of this with the stroke of a pen.

PLEASE PRAY that people isolate themselves and make this a slower burn – so that the hospitals might have some prayer of keeping up.
PLEASE PRAY that we don’t get sick and make our families sick.

PLEASE FIND WAYS TO HELP!
Ask any medical personnel you know how YOU might be able to help — tell them you stand ready and willing to do anything. Make up beds, provide basic nursing support… get yourself geared up to help the elderly in your neighborhood.

PLEASE MAKE A PLAN on what you are going to do to help households where BOTH parents are sick – who will tend the children? How will you protect yourself while doing so?

Remember – the Lord has a special place for those who care for children.

BUY Pool shock – Buy empty spray bottles by the dozen.
JWR can you please re-post a chart showing the percentage of bleach, and various concentrations of pool shock (calcium hyperclorate) to mix with water to make a disinfectant spray?
The hospitals DO NOT have enough in their clinics or on the floors to combat this.

WE ARE RUNNING OUT of disinfecting wipes for our computers and equipment and patient rooms.
We need to switch to spraying something that there is a HUGE supply of.

If you know some medical personnel who is in the hospital right now fighting this – donate some of these spray bottles with the bleach solution in it to them – tell them to bring them back to you when empty and you will refill.
Better yet – make up a bunch of gallons of proper mix to give to them.

You can use the same concentration mix to spray down YOUR and your neighbors packages.

Consider buying a UV germicidal lamp – this can be used to help “rotate” N95 masks. Blast them on either side of about an hour – then let sit for as many days as you can – 9 days being the “gold standard” 4 days is probably sufficient.

OFFER THIS TO YOUR LOCAL CLINIC – we are RUNNING OUT OF MASKS.
They won’t know how this works – but you can teach them. Tossing masks after a single use isn’t an option at this time.

Folks in the grocery stores that stock shelves are getting overworked and overwhelmed. Find a way to help them. See what they need.

They are hugely exposed to this from all the public contact.

Find a way to help their families if they get sick.

Fire and EMS and police WILL be getting sick…
The EMS service is already doing TONS of transports here in my area of the infected to hospitals…. they WILL be getting exposed.

Folks in the various agencies are worried about gang activity ticking up.
THINK of a way to help combat that.

While hunkering down – FIND A WAY you can help your neighborhood.
DO SOMETHING EACH DAY.

Friends in Christ….. just think what He would want us to do at this time.

Godbless

#16 Comment By WV Joe On March 16, 2020 @ 11:58 pm

Tom Excellent suggestions. There will be many people in need very soon. Im a retired nurse but Im ready to go.

God Bless

#17 Comment By Mackatozi On March 17, 2020 @ 3:22 pm

Thanks Tom, any specs on what type of UV bulb works for coronavirus’s? I have no expirience with this and I see there are a lot of different options out there. Thanks.

#18 Comment By Tom On March 17, 2020 @ 4:59 pm

I use this one with a fluorescent work light.
If you can find a Fluorescent work lamp that takes this “two pin” base that matched the lamp – you will be good to go.
Just be careful it’s a real germicidal lamp that looks ugly and for industrial use – and not some gadget. (which may or may not work well)
[6]

Perhaps if you find a good combo you can post here for others.
I’m back to work now – I’m sorry I don’t have time to track down a matching lamp base currently – but I imagine others will be grateful if you do.
Thank you

#19 Comment By Tom On March 17, 2020 @ 6:05 pm

I wanted to mention – these lights give off A LOT of UV which is very very bad for your eyes and skin – use caution – don’t look at them and don’t keep your skin under them for more than a few seconds at most to rotate what your are disinfecting.
I wear sunglasses and gloves just to be safe.

#20 Comment By Greg On March 16, 2020 @ 9:01 pm

Actually, the lights have been out on the towers that cross the Columbia from Sacajawea park to Two Rivers. We are in more danger of someone hitting the towers with a plane and taking out the main power source from Ice Harbor.

#21 Comment By The Guardian On March 16, 2020 @ 10:29 pm

Journeyman,
Excellent piece. It illustrates the American can do spirit and a lot of our fellow American’s regard for their fellow citizens. The Cajun Navy comes to mind in hurricane’s. Thank God it’s still out their .

#22 Comment By The Guardian On March 17, 2020 @ 12:02 am

Tom, I’m not sure where you live but where I live it couldn’t be further from your reality. God Bless you and I’m praying for you.

#23 Comment By Matt On March 18, 2020 @ 11:00 am

Hydro operator here –

Recently we received a NERC mandate to crosstrain operations procedures to maintenance & electrical departments due to the virus, for a ‘just in case’ scenerio. I’ve been doing this type of work for 30 years, and yes the average age of people in this profession are of the more senior vintage.

Can concur with most of what is written in this article, including reading it during a nightshift 🙂 Hydro and the dams are very well built due to the flood issues, imo they are over-engineered even compared to some of the boiler/steam power plants I’ve worked at. It’s true that staffing levels have constantly been shaved over the years, but at least where I’m at, I’m confident things will keep on running even if we lost up to 2/3rds of our crew.

Utility owns the transmission lines, and due to the fires in CA these past few years, they are regularly inspecting & even upgrading some of them (230kV here).