Tesla Powerwall in 2023: worth it?

Tesla Powerwall in 2023: worth it?

Tesla Powerwall is one of the most popular batteries for home solar systems. Its ability to provide backup during outages is indisputable. Does it actually save you money though? Jason is going to uncover the details of using Powerwall for your home in 2023.

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[drsuppan]

As an owner of a Powerwall I have to admit that I made the mistake in planning to ignore the amount of storage I need for the backup function. That amount is not available for use. So those two targets of backup and peak-time usage contradict each other. In reality that means that you need at least two Powerwalls to make sense. Also the 5KW supply would usually not be enough if you run an AC-unit. In short: you need two or three of them to make sense

[dennislyons]

I have lived in Calif. int the country for 35 years. We have not had power interruption in over 10 years.

[shull]

excellent breakdown. Thank you for putting this together - it was extremely helpful and informative.

[thomasjacques]

With current credits and rebates here In Illinois I can get 3 PW2s installed for about $18K or about $4K LESS than a generator. So we are adding 3 PW2s to our AC coupled Enphase PV system. I’ll leave physical space for a 4th PW2 in the future.

[jackcoats]

Do Tesla power walls take dc from solar to charge the batteries?

[drtellezduarte]

Hi. Do you know if this power wall, or other batteries are water proof? For twin and bad weather

[ohmygosh]

Gas generator looks cheaper however once you realize that you have to pay for the gas you burn and yearly maintenance it adds up quickly. The more you use the gas generator the more it will cost you.

[markmcadie]

One thing you did not mention is the value of certainty of cost, with a sufficiently large Solar rooftop system and batteries you hedged against power price rises. I have such a system and my account is permanently in credit, so price rises do not bother me at all...

[lenadeprayns]

Hello Jason, I have a Rav4 Prime 2023 (18.1kw) with a 110v charger but I'm considering buying a Tesla powerwall plus 22kw battery with their respective solar panels. My question is if I can charge or use the 110v that has been already storage in the powerwall to charge my 110v battery in the Rav4 Prime?

[ericinla]

YOU WILL NEED A MINIUMUM OF 3 POWER WALLS - Most people don't want spend $35, 000 for batteries alone on top of paying for your Solar Panels. Is it worth it to pay $50, 000 for everything and still pay $75 a month to pay to be connected to the grid every month.

[ICS]

What is the replacement cost to replace powerwall batteries?

[thomasjacques]

Our 12.5 kWh PV system should be installed by mid-Oct. We will wait until Tesla releases the PW3, if they drag their feet we will go with Enphase's 5Ps. We want LFP batteries. So Tesla don't disappoint.

[charliesk]

This is quite possibly the best video on this subject. Well done. Keen to chat with you directly if interested. I have a Y and 42 panels and am a huge advocate for natural energy. Nothing like charging a car directly from sunlight. Science is beautiful and I am a creative director ;) Thanks.

[andyatmosphere]

This is more of a powerwall sales pitch, NOT a technical analysis of different sized powerwalls or comparison of different battery technology.

[baneverything]

Why not buy LiFeP04 batteries and the parts needed to build a far better & less expensive emergency system?

[devilsadvocate]

I was interested in the comments regards grid charging... especially since I understand that PW3 has recently been released.


I'm based in NZ and I'm looking for a way to reduce my energy bill (I don't have solar). One of the utility companies is offering "free" power from 9-12pm daily. If charging the Tesla PW from the grid is practical, I could fully charge the Powerwall during the free period, & then start powering the house during the day (no point during the night). Alternatively, I could sign up to a power company that offered low rates during the night and then charge the Powerwall then for use during the daytime.

Obviously, I'd have to work the numbers, but the first question that I need to understand is, is this an achievable scenario?

[PilotVBall]

The grid in the USA is not old. The equipment is still operating within the expected lifespan and is replaced and upgraded as needed. There's nothing old about the USA grid. The only problem with the electric grid in the USA, which is the cause of most outages, is that the wires are above ground and trees are constantly falling on them or drivers are constantly crashing into power poles. Other outages are caused by sabotage and terrorism, as in the substation equipment shooting in North Carolina by a local terrorist. The media needs to stop it with the old power grid lie.

[louisbellanca]

Buy LiFePO4 cells and a BMS and an Inverter/Charger and make your own. You will learn a lot but pay attention to safety.

[itweety]

Ok put my n it has save me SHITLOAD of times now summer 🌞 high peak rates and blackouts, winter ❄️ not enough sun and winter storms .

[bootangy]

does it allow for long term grid down?