Hey home improvement enthusiasts and those interested in emergency preparedness! Just wrapped up a cool project out in Alamo, CA, that I think you might find interesting. We installed a powerful Generac generator into a home with a 400A service panel. Yep, it’s as heavy-duty as it sounds, and I wanted to share the details of how it all went down, the challenges we faced, and why this might be something to consider if you’re looking to upgrade your home energy setup.
Background
So, why go with a generator, especially such a hefty one? For starters, the homeowner was all about ensuring that they never had to sweat a power outage again. Plus, in California, where power outages can be frequent due to various reasons like wildfires or maintenance, having a backup is more a necessity than a luxury.
The choice of a 400A service is notable because it’s what you’d see in more substantial homes that need a lot more juice for all their tech and appliances. It’s not your standard setup, so the job was anything but typical.
The Challenge
Integrating a generator into a setup that’s already pretty robust comes with its hurdles. The main challenge was ensuring that the new system would be seamlessly integrated without disrupting the existing setup. Plus, there’s always the challenge of working within the strict code regulations here in California.
The Process
Here’s how we tackled the project:
- Initial Consultation: This is when we geek out over what the client needs and what we can do. We discussed everything from power needs to where we could physically place a generator that big.
- Planning and Logistics: Because the generator had to integrate with a 400A service, we had to meticulously plan each phase of the installation to avoid any mishaps or compliance issues.
- Installation Day: It was a full day of work, starting with prepping the site, ensuring all safety protocols were in place, and then moving the heavy equipment. The installation itself was smooth—thankfully, no surprises!














Features of the Installed Generator
We went with a Generac model that’s known for its reliability and power efficiency. The homeowner wanted something that could handle a lot, and Generac was up to the task. This generator not only fits the bill for capacity but also has some smart features that let the homeowner monitor and control power usage, which is pretty neat if you’re into gadgets.
Client Testimonial
Thinking of going this route or curious about what it might mean for your home? Drop us a line, and let’s chat about your energy needs! Also, check out our testimonial below to see what our customers are saying.
Krishna Uppunda
Adrian did a wonderful job of putting some new lights in and adding a new plug point . He was very thorough in his job . Would recommend them to anyone
Kenneth Peters
Scott Wooding is an amazing electrician.He repaired hall ceiling track lights and a bathroom light. He was prompt, cordial, and very knowledgeable and efficient.Highly recommended!
peggy ferguson
You can only be impressed with with Scott Wooding. He is on time, conscious, talented and professional also a nice person. you will be glad you met him.
Tyler Hagan
The team was great from quoting, to scheduling, to the quality of work. My job was a semi-complicated network cable run but it was completed in a couple hours with minimal fuss. Highly recommend Wooding Electric!
Sandy Butchko
We have called Wooding Electric for all our electrical work over the past 3 years. Every time they come out, they are knowledgeable, friendly and very patient as they answer all of our questions. Every job is done well and they always clean up any debris left over. They are... Read more
Robert Ross
Very professional and knowledgeable. They had to troubleshoot a few difficulties, and they demonstrated they clearly knew what they were doing. They fixed the problems and left the place better than when they started.
Katy Kirk
We got same-day service and they fixed the wiring to our AC! Scott was very professional and extremely knowledgeable. So happy we called them!
Robert Abrams
Wooding Electric is excellent in all ways. I have used them for more than 10 years and recommended them to others . Scott Wooding has solved several difficult problems for us.
Herman Mckenzie
This is a 5 star business. No doubt hands down. One of the best contractors in the silicon valley, scott wooding is a professional and a great guy.
Steven Kawashima
Contacted Wooding Electric to take care of another residential issue - and once again they resolved it in a very timely fashion. The scheduler was efficient and friendly. The electricians were punctual, professional and explained things well. They arrived on time, diagnosed... Read more
David Wagner
Was supposed to do a simple rewire of kitchen plug, but was a real mess. They did excellent work and would have them again when we need work done…
Bruce Chang
Wooding and their techncians are thoughtfull and expediant. They also try to give me options and not just the most expensive option for any possible repairs.
Rachel Madrazo
Wooding Electric has been our go-to since we've relocated to Santa Clara. Scott and his team have been able to complete project we've needed with the utmost professionalism, friendliness and timeliness. We will continue to work with Wooding Electric as long as we're here!
Karen Pollard
Scott provided great service and was able to do our repair quickly. Would highly recommend!
Janie Burch
We bought an Mustang Mach E vehicle and needed to have a charger set up in our garage . Scott Wooding came out on short notice and did a beautiful job installing the charger. His service was efficient and professional in every way . We highly recommend Wooding Electric .
Nichole Black
Gave a free estimate, very detailed. Did everything we asked and more. Very reliable. Will definitely use again.
Bill Gott
Scott has done my electrical work for many years in a 16-suite medical/dental facility. He does good work, is responsive to my calls, and I know that I can depend on him to get the job done with quality.
Shantanu Nag
We have been using Scott from 2004 when we started our business journey and till now he has done lots and all kind of projects for us. These were mostly big commercial electric jobs. I am talking about installing new 200 amp service for a big printing press and similar kinds... Read more
James Flores
Scott and his team at Wooding Electric are on point. Everything from the job walk to scheduling and installation was on time with no hassle. I Highly recommend Wooding Electric for all your electrical needs.
Danielle Drew
We've used Wooding Electric twice - once to install a whole house fan, and once to upgrade lighting & ceiling fans in bedrooms. The workmanship on both of these installations has been superb - high quality, good recommendations for solutions, I was consulted at every step... Read more
Jiehan Zheng
Wooding Electric responds to calls and emails really fast and thoroughly. I asked around to find a company that can help me install a whole house surge protector in the panel, and some other companies either don't reply, can't do it, or are booked too far out. However, Wooding... Read more

Angela Anton
I contacted Wooding Electric because I needed a new exhaust fan in my bathroom. Their pricing for the work was reasonable and the work was done in a professional, timely manner. I highly recommend Wooding Electric and if I ever need an electrical contractor I will definitely... Read more

Christian Ford
The specialist who came was great. He quickly diagnosed the problem and provided a thorough explanation of the proposed repair with cost estimate. He was prompt, professional, and possess high integrity. Count me as an extremely pleased customer.

T.T. Cheng
Professional, quick, considerate, explain everything clearly, and keep the environment clean. The price is clear. Very good experience.
To close out, let me just say that having a generator isn’t just about keeping the lights on; it’s about maintaining your lifestyle uninterrupted in the face of the unexpected. And with more homes requiring substantial energy solutions, a setup like this might just be what you need.
Additional Resources
Want to know more about choosing the right generator or preparing your home for a high-capacity service? Check out our other posts or give us a shout at Wooding Electric—we’re here to help make your home as resilient as it can be.
So, what do you think? Anyone else considering a generator installation, or have experiences to share? Would love to hear your thoughts and answer any questions!