ERCOT Outage & Storm Readiness · Austin & Hill Country
Safe backup generator power for your home — without a $16k standby bill.
After Central Texas ice storms and summer wind outages, thousands of Austin, Lakeway, Dripping Springs, Georgetown, and Round Rock homeowners keep a portable or tri-fuel inverter generator in the garage — without a safe way to connect it. We install UL-listed main-breaker interlock kits, weatherproof 30A/50A exterior power inlet boxes, manual/automatic transfer switches, and AC soft-starts so you can power your home safely in minutes.
NEC Article 702 compliant 30A & 50A exterior inlets 5-year workmanship warranty
Certified & Accredited
Don't take our word for it.
Best Pick for the 4th year — Best Pick Reports
Angi Service Award Winner — 2018–2025
5.0 on Google · 491 reviews
Tesla, Eaton & SPAN Certified Installers
Licensed, Bonded & Insured
Why Interlock Kits Beat Extension-Cord Chaos
Power any circuit in your main panel — refrigerators, furnace blowers, Wi-Fi, well pumps, and lights.
Running extension cords through cracked windows in a February freeze or 102°F August outage leaves your gas furnace blower, hardwired kitchen lights, garage doors, and well pump completely dead — and backfeeding through a dryer outlet ("suicide cord") is illegal, voids insurance, and can electrocute Austin Energy, PEC, or Oncor line crews.
A panel-matched mechanical interlock kit physically prevents your 200A utility main breaker and your 30A/50A generator backfeed breaker from ever turning on at the same time. Unlike a cramped 6-circuit manual transfer box, an interlock lets you toggle ANY 120V or 240V breaker already in your main panel up to your generator’s running wattage.
What’s Included With DC Electric
- Heavy-duty weatherproof 50A (SS2-50P / CS6375) or 30A (NEMA L14-30P) exterior inlet mounted where your generator parks safely outdoors away from windows/soffits
- Top-right / top-left breaker relocation inside your panel to accept the exact UL-listed stainless/anodized interlock plate for Square D, Eaton, Siemens, or GE
- Whole-home Type 2 surge protector option to buffer sensitive appliance boards against portable generator voltage harmonics
- Permanent engraved step-by-step startup & utility-return sequence label mounted right on the panel door
Run Central AC on a 50A Portable Generator
Add an HVAC soft-start so a 9,500W–12,000W generator starts your AC.
A typical 3.5-ton or 4-ton Austin central air conditioner only draws 3,200–4,200 running watts — well inside a 50-amp portable generator — yet trips the generator instantly on startup because locked-rotor inrush spikes over 90–110 amps for half a second.
Installing a solid-state HVAC compressor soft-start module alongside your 50A generator inlet drops startup inrush current by up to 65–70%, allowing most large inverter or tri-fuel portable generators to run central cooling during summer grid outages.
What’s Included With DC Electric
- Also installs dedicated manual and automatic transfer switches (Generac, Kohler, Reliance) for standby or battery-hybrid setups
- Special consideration for bonded-neutral vs. floating-neutral portable generators (preventing GFCI nuisance trips)
- Live hands-on walkthrough with you at completion so flipping over during a midnight storm takes under 90 seconds
- Backed by our 5-year workmanship warranty and upfront flat-rate pricing
30-Second Austin Capacity & Rebate Check
Can your current panel handle an EV charger, generator, or upgrade?
Select your electric utility, current breaker panel size, and what you’re adding to see the typical NEC code-compliant path, 2026 Greater Austin investment range, and utility permit or rebate rules.
Recommended NEC Path
Direct 60A Hardwired EV Circuit (Load Calc Verified)
Most modern 200-amp panels can support a dedicated 60A hardwired Level 2 charger directly. If all-electric HVAC, double ovens, or a pool push your NEC Article 220 load calculation near 80%, dynamic EV power management lets you charge at full speed without upgrading to 400A service.
Typical 2026 Austin Range $889 – $2,400 Varies by conduit distance & wall routing (up to $4,400 for 100–200 ft detached runs)
Utility & Rebate Notes Austin Energy Permit & EV Rebate Ready Eligible for Austin Energy Plug-In Austin Level 2 rebate when permitted and installed by a licensed TECL contractor. We provide all required invoice & permit paperwork.
Ballpark planning ranges only — every home receives an in-person NEC load calculation by a licensed DC Electric electrician and an exact written flat-rate price before any work begins.
Verified Dispatch Log · Greater Austin
Recent residential work completed near Greater Austin
Anonymized completed job records synced from our ServiceTitan dispatch log (429+ Greater Austin residential projects completed over the last 6 months). Customer names and street addresses are omitted for homeowner privacy.
429+ Metro JobsVerified · TECL #38552
200-Amp Panel & Austin Energy Meter Base Upgrade
Dedicated Circuit, GFCI/AFCI Protection & Smart Switch Install
Dedicated 240V Hot Tub, Spa / Sauna & GFCI Disconnect Wiring
Need similar electrical work in Greater Austin? Book online 24/7 for an exact written price before work begins.
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Common Questions
Answers about generator interlocks & inlets in Austin
Should I choose a 30-amp or 50-amp generator inlet box?
Even if you currently own a 30-amp (7,500W) generator, many Austin homeowners choose a 50-amp inlet box and 50A copper wiring with a simple 30A-to-50A cord adapter — or match the breaker to their generator — so the wall wiring is already sized if they ever upgrade to a 9,500W–12,000W tri-fuel generator later. We walk through both options on site.
What is the difference between a generator interlock kit and a manual transfer switch?
A manual transfer switch moves 6 to 10 pre-selected circuits into a separate side subpanel. A main-breaker interlock kit mounts directly onto your existing main breaker panel and lets you power any circuit in the house (managing total load by flipping heavy 240V breakers like ovens or dryers off while on generator power) at a cleaner, lower total installation cost.
Why did my portable generator trip immediately when plugged into a GFCI-equipped inlet?
Under NEC grounding rules, your home’s main panel already bonds neutral and ground together. If your portable generator also has a factory-bonded neutral frame, connecting it creates a parallel neutral-ground loop that trips GFCI protection on the generator. During installation, we check your specific generator model’s neutral configuration so everything runs trip-free.
Can you install a generator interlock on an older 100A, split-bus, or FPE/Zinsco panel?
Split-bus panels (no single main disconnect breaker) and high-failure FPE/Zinsco panels cannot accept a safe main-breaker interlock kit. In those homes, we either install a separate listed manual transfer subpanel or combine your backup inlet with a 200-amp main-breaker panel upgrade.
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In Our Neighbors’ Words · Greater Austin
We treat every home like our own. Here’s what neighbors say about DC Electric.
Being invited into your home is a privilege we never take for granted. Every story below comes straight from a Greater Austin homeowner we’ve served — with the work we did and the DC Electric crew who showed up.
5.0 ★ · 491 Verified Google Reviews
⚡ 200A Panel Replacement & Austin Energy Permit · Austin, TX
“The DC Electric team was phenomenal! They came out and replaced a tricky inset panel in one day. Rodney, Anthony, Andrew, Rico were professional, quick, and filled us with confidence that they could get the job done. They worked with Austin Energy to get permits approved and finish the inspection in record time. We are beyond impressed with their excellent work! This was no easy job.”
H✓
Helen Siegel
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Juan Villa
“Nick came out for the quote — kind and thorough, and helped me think through all the work. Install day was flawless: the crew put in a car charger, 16 can lights, and two new circuits, and insisted on making it perfect. They are not the cheapest electricians in town, but you absolutely get what you pay for.”
Crew: Nick & Install Crew
Google review ↗
M✓
Margaret McKinney
“I purchased a 1951 home with multiple electrical issues on the inspection. Every deficiency was addressed — and they told me which components did not need updating. A storm rolled in while I was away and the techs closed all my windows. I came home to a dry house.”
Crew: Master Diagnostic Crew
Google review ↗
J✓
Joe Sims
“I needed to replace my panel, and add outlets to the bathroom and garage. Pete was helpful in getting my estimate. Max and Rico did a great job with the installation. Everyone was very friendly. The pricing was straightforward and fair. They had me scheduled fairly quickly and finished the job quickly.”
Crew: Pete, Max & Rico
Google review ↗
L✓
Linda Ball
“They showed up right on time and worked nonstop in the heat, provided a generator so we had power while they worked, answered every question, explained everything, and cleaned up before leaving. I’ll definitely use them again.”
Crew: Master Service Upgrade Crew
Google review ↗
P✓
Patrick Caldwell
“Big thank you to Rodney, Max and Pete from DC Electric who helped us install new recessed lights in our kitchen. They were on time, super helpful working out what would work best, did a good quality install and clean up and were very friendly and easy to work with. Will definitely use again!”
Crew: Rodney, Max & Pete
Google review ↗
C✓
Claire Moore
“We got multiple bids to restore power to our garage unit, and the team at DC were the easy choice. Scheduling was easy, communication was consistent, and most importantly, they took care of everything thoroughly — complete on time, with no surprises.”
Crew: Diagnostic & Repair Crew
Google review ↗
C✓
Christopher Brookover
“Fast, efficient, clean, and extremely knowledgeable about the hardware and setup. Ed and the crew walked me through the whole system and I’ve spent hours playing with my new SPAN setup!”
Crew: Ed & SPAN Certified Crew
Google review ↗
C✓
Carly Hustvedt
“Andrew and Jonathan did an amazing job installing our EV charger. They walked us through the setup, stayed true to the quote, and left the garage cleaner than they found it.”
Crew: Andrew & Jonathan
Google review ↗
A✓
Acer Pahukoa
“Rico, Rodney and Nathan were professionals with my charger install. Explained every step of the process to me, informed me of every step during the install, and walked me through final install and operation. Left a clean work space, and their final work looked very clean. Highly recommend!”
Crew: Rico, Rodney & Nathan
Google review ↗
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Generator Interlocks & Inlets in Austin, priced clearly before work begins.
Book online 24/7 or call 512.954.4782. A licensed DC Electric electrician evaluates your home in person, walks through options in plain English, and gives you one exact flat-rate written price.