
Zack Tannler
Founder & Solar Broker
WHY CHOOSE ME
The Power Of One Solar Difference
Unlike big solar companies, I'm an independent broker who fights for the best deal on your behalf.
Lock Your Rate
No 3.9% annual escalation here. We only offer our 0% annual escalator. Your rate NEVER changes!
No Tax Credit, No Problem
Our new prepaid lease to own solar program gives you 30% off the total cost! You don't need to be eligible for tax credits, because it's already applied!
Your Solar Advocate
I work for YOU! Independent and unbiased. I help get you the best deal and get paid by the installer — not you.

SIMPLE PROCESS
How It Works
Going solar has never been easier. I handle the hard work so you don't have to.
01
Request Your Free Quote
Fill out the quick form below. I'll review your energy needs and find the best solar options for your home.
02
I Shop The Market For You
I compare products, pricing, and financing across top-tier solar providers to find your perfect match.
03
Professional Installation
Sit back while a vetted, top-rated installer handles everything. I oversee the process to ensure quality.

MEET ZACK
Your Personal Solar Broker
"I founded Power Of One Solar to do business the right way. Unfortunately, this can be a shady industry — so I've done the hard work of filtering out the bad actors to ensure you get a flawless installation and at a great price. I work hard so you don't have to."
— Zack Tannler
Founder, Power Of One Solar
Aggressive Pricing
I negotiate hard for you
Best Warranties
Industry-leading protection
No Pressure Sales
Take your time, no gimmicks
Excellent Service
I'm with you every step
REAL STORY. REAL STAKES.
A True Solar Story
What Happened Without Me
A friend who forgot "this is what I do" signed with a large, well-known solar company. He felt comfortable — big brand, seemed trustworthy. What he didn't know: he got locked into a 3.9% annual rate escalator, meaning his "savings" would shrink every single year. He also paid thousands more than he needed to. By the time he called me, it was ALMOST too late...
He Cancelled. He Called Me. He Won.
When he saw what I could do — a 0% rate escalator, better equipment, and aggressive pricing — he cancelled his original agreement and went with me instead. The result? He saved over $50,000 in total solar payments.That's the power of having an independent broker fighting for you before you sign anything.
$50,000+ Saved
For one real customer. Yours could be next.
"Don't sign anything until you talk to me first."
— Zack Tannler
BATTERY STORAGE
Power Your Home.
Even When The Grid Can't.
Pairing solar with a home battery isn't just smart — it's the future. Become energy independent, protect your family from outages, and even get paid to power your neighbors.
Blackout Proof Your Home
When the grid goes down, your battery kicks in instantly — keeping your lights, fridge, A/C, and essential devices running around the clock.
Maximize Your Solar
Store excess solar energy during the day and use it at night or during peak rate hours — eliminating your bill even when the sun isn't shining.
Virtual Power Plant
Join a network of solar + battery homes that work together to stabilize the grid. Utilities pay YOU for the energy your battery stores and shares.
Smart Energy Management
Your battery system learns your usage patterns and automatically optimizes when to store, use, and sell energy for maximum savings.
Ready to Never Worry About Outages Again?
COVERAGE
Serving Customers Across 30+ States
Wherever you are, I can connect you with a top-rated installer and the best deal in solar.

30+
States Served
5★
Google Rating
0%
Rate Escalation
100%
Independent
TESTIMONIALS
Don't Just Take My Word For It
"Zack made the whole process seamless. He found me a better deal than 3 other companies I'd already gotten quotes from. Truly works for the homeowner!"
Sarah M.
Riverside, CA
"Zack took the time to explain every option and never once pushed us toward anything. We got exactly what we needed at a price we couldn't believe. Highly recommend!"
Jennifer & Carlos V.
San Diego, CA
"What sets Zack apart is that he's an independent broker — he works for you, not the solar company. Got three competing quotes in one day. Amazing service."
Marcus J.
Houston, TX
"We were skeptical about solar but Zack's no-pressure approach won us over. He explained everything clearly and our electricity bill went from $280 to $12!"
Mike & Linda T.
Corona, CA
"I called Zack after getting a bad deal from another company. He not only helped me find a better system but saved me thousands. I wish I'd found him first."
Robert H.
Phoenix, AZ
"Zack is the real deal. No gimmicks, no pressure. Just honest advice and incredible follow-through. Our neighbors saw our system and all called him too!"
Angela & Steve B.
Orlando, FL
"As a real estate investor, I've worked with many solar companies. Zack's brokerage model is the best I've seen — competitive pricing with truly unbiased advice."
David R.
Temecula, CA
"From the first call to installation day, Zack was there every step. Professional, honest, and genuinely cares about his customers. Our bill is now almost zero!"
Patricia & Tom W.
Las Vegas, NV
"I was nervous about going solar but Zack made it so easy. He answered every question patiently and got us a deal with a 25-year warranty. Couldn't be happier."
Linda C.
Sacramento, CA
From Quote to Powering On
No surprises. Here's exactly what happens after you request your free quote — step by step.
Free Quote
Design & Permits
Installation
Inspection
Utility Approval
Permission to Operate
STEP 1 OF 6
Free Quote
We review your energy usage, roof, and goals. I shop multiple installers and financing options to get you the best deal — no pressure.
Most quotes are delivered. You'll see side-by-side comparisons so you can make a confident decision.
TRUSTED PARTNERSHIPS
Access To The Best In Solar
As an independent broker, I have access to products and financing most single-brand companies can't offer.












FAQ
Got Questions? I've Got Answers.
Everything you need to know before making the switch to solar — no fluff, no sales pitch.
💰 Financing
🔧 Installation
🛠️ Maintenance
⚡ Savings & Benefits
FREE & NO OBLIGATION
Get Your Custom Solar Proposal
Find out how much you can save with solar. I'll personally review your energy needs and provide an unbiased recommendation — no pressure, no strings attached.
Personalized savings analysis
Multiple provider comparison
Financing options review
No obligation whatsoever

