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TVA Preferred Partners Network
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Nashville, TN
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Solar & Battery Systems · Nashville, Tennessee

We Couldn't Find a Solar Company Good Enough.  So We Became One.

Your roofer and your solar installer are the same crew. One company. One warranty. Zero finger-pointing.

  • One Crew
    Roof + Solar Together
  • One Warranty
    Covers Everything
  • 4.8 hrs/day
    Nashville Peak Sun Hours
The Story

Why A Roofing Company Started Installing Solar

For years, our customers kept asking the same question:"Can you put solar on this new metal roof?"

We said yes, and we'd refer them to solar companies. That's when the problems started.

The solar installers would show up and drill straight through the standing seam panels we'd just spent two weeks perfecting. They'd lag bolt into the deck through brand-new underlayment. They'd route conduit across flashing details we'd hand-bent to shed water for fifty years. One solar crew actually drove a lift across a finished roof to reach a higher section to install panels. This is something we would NEVER do.

And when leaks appeared six months later? The solar company blamed the roofer. The roofer blamed the solar company. The homeowner, our customer, was stuck in the middle holding two warranties that both pointed at each other.

Solar panels installed on a rooftop overlooking a green forest and distant hills.

We tried partnering with every solar installer we could find in Middle Tennessee. Not one of them understood metal roofing well enough to leave our work intact. So we got our own certifications, bought our own equipment, and started doing it ourselves.

The Metal Roofers

Now when we install a metal roof and solar panels on the same house, there's no gap in accountability. We designed the roof. We know where every clip, every seam, and every flashing transition sits. We know exactly where panels can mount without penetrating anything, because we built it.

If something leaks, there's one phone number to call. If something underperforms, there's one company responsible. If a panel needs to come off for a roof repair twenty years from now, we know how to do both without voiding either warranty.

That's the difference between a solar company that rents your roof, and a roofing company that owns the whole system.

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The Warranty Problem — Solved

Two Companies, Two Warranties = Nobody's Problem

The solar industry has a dirty secret: when your roof leaks under solar panels, the warranty fight begins. Here's how it plays out with two companies versus one.

The Typical Setup

Roofer + Separate Solar Company

  • Roof leaks under panels → Solar company says "not our problem — we didn't touch the roof." Roofer says "the solar crew penetrated our work."
  • Panel underperforms →Panel underperforms →Solar company blames shading from a vent they didn't know about. You wait weeks for a site visit.
  • Storm damage → Adjuster needs two companies to respond. One is a national chain. They don't call back for a month.
  • Roof needs repair under panels → Solar company charges $1,500+ just to remove and reinstall panels so the roofer can access the deck.
  • 20 years later → The solar company has been acquired twice. Your warranty is with a company that no longer exists.
The Typical Setup

One Company. One Warranty.

  • Roof leaks → We installed both systems. We know exactly what's under those panels. We fix it. No blame game.
  • Panel underperforms → We designed the array around your roof. We know the layout, the angles, and the shading profile. One call.
  • Storm damage → One company responds. One insurance claim. One crew handles roof repair and panel reinstallation. Done.
  • Roof repair under panels →  Our crew removes panels, repairs the roof, reinstalls panels.No $1,500 removal fee. No third party.
  • 20 years later → We've been in Nashville 20+ years already. We're not a startup. We're not going anywhere.Same phone number.
Why Metal + Solar

Standing Seam Was Built for Solar

Most solar installations on asphalt shingles requirec lag bolts drilled through the roof deck — each one a potential leak point. On a typical residential array, that's 40 to 80 new penetrations through your waterproofing layer.

Standing seam metal roofing eliminates that entirely. Solar panels mount to the raised seams using non-penetrating clamps that grip the seam mechanically. No holes. No sealant. No compromise to the waterproofing system underneath.

Factor
Shingles + Solar
Standing Seam + Solar
Factor
Mounting Method
Shingles + Solar
Lag bolts through deck (40–80 penetrations)
Standing Seam + Solar
Non-penetrating seam clamps (zero penetrations)
Factor
Leak Risk
Shingles + Solar
Moderate — each bolt is a potential failure point
Standing Seam + Solar
Minimal — no new holes in the roof system
Factor
Roof Lifespan Under Panels
Shingles + Solar
15–25 years — panels outlive the shingles
Standing Seam + Solar
50–60+ years — roof matches or exceeds panel life
Factor
Panel Removal for Roof Repair
Shingles + Solar
Required every 20 years at shingle replacement
Standing Seam + Solar
Rarely needed — roof lasts as long as panels
Factor
Hidden Cost
Shingles + Solar
$3,000–$6,000 to remove/reinstall panels for reroof
Standing Seam + Solar
$0 — one roof for the life of the solar system

If you put solar panels on an asphalt roof, you'll likely need to remove those panels, replace the shingles, and reinstall the panels at least once during the solar system's warranty period. That's $6,000 to $15,000 you didn't plan for, on top of the reroof cost.

A standing seam metal roof is a 50-year foundation for a 25-year solar investment. You install both once. You never think about it again.

What We Install

Solar Panel Systems

Green metal roof of a building with solar panels installed on a field nearby under a clear sky.

We install Tier 1 monocrystalline solar panels from manufacturers with 25-year minumum product and performance warranties. Every system is designed around your specific roof geometry, shading profile, energy usage, and Nashville's 4.8 peak sun hours per day.

Residential Solar

$2.85–$3.50/W

Installed · Before Incentives
  • Typical Nashville system: 8–14 kW
  • Installed cost range: $22,800–$49,000
  • Annual production: 11,000–19,000 kWh
  • Panel warranty: 25 years product + performance

Most Nashville homes need 8–12 kW to offset 80–100% of electric usage. Final system size depends on your roof orientation, shading, and energy consumption.

Commercial Solar

$2.20–$3.00/W

Installed · Before Incentives
  • Typical system: 50–700+ kW
  • Roof types: Standing seam, R-panel, flat/low-slope
  • Mounting: Ballasted, clamp, or hybrid systems
  • Engineering: Full structural analysis included

Warehouses, manufacturing facilities, churches, schools, and retail. We handle roof assessment, structural engineering, electrical design, permitting, and NES interconnection.

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Battery Storage

Farm The Sun. Store It For Tonight.

Three white Franklin energy storage battery units installed outside a home with a wooden fence nearby.

Tennessee doesn't offer true net metering, TVA's buyback rates are lower than what you pay for electricity. That means a battery often makes more financial sense here than in states with full net metering. Instead of selling your excess solar production back to NES at a discount, you store it and use it yourself when the sun goes down.

Tesla Powerwall 3

~$15,400

Installed · Before Incentives
  • Capacity: 13.5 kWh per unit
  • Continuous output: 11.5 kW
  • Chemistry: Lithium iron phosphate (LFP)
  • Warranty: 10 years · 70% capacity guaranteed
  • Expandable: Up to 4 units (54 kWh total)

Built-in solar inverter eliminates separate equipment. Enough continuous power to run refrigerator, lights, Wi-Fi, and even some A/C during an outage. The most popular residential battery for a reason.

Enphase IQ Battery

~$12,000–$18,000

Installed · Before Incentives
  • Capacity: 5 kWh or 10 kWh per unit
  • Continuous output: 3.84–7.68 kVA
  • Chemistry: Lithium iron phosphate (LFP)
  • Warranty: 15 years · 60% capacity guaranteed
  • Expandable: Up to 8 units (80 kWh total)

Modular design — start small and add capacity later. Industry-leading 15-year warranty. Excellent integration with Enphase microinverter systems. Best for homes that want to grow into battery storage over time.

Why Batteries Matter in Nashville

Nashville averages 5–7 severe weather events per year that cause power outages. In January 2025 alone, Middle Tennessee lost power for days during the ice storm. A battery keeps your refrigerator running, your heat on, and your phones charged, whether the grid is up or not. Solar alone shuts off during outages (by code). Solar with a battery keeps working.

How It Works

Roof + Solar in One Project

When you do both at once, you save money, save time, and get a system that was designed together from the start — not cobbled together by two companies who never spoke to each other.

1

Roof + Energy Assessment

We inspect your existing roof, measure your roof geometry, assess shading from trees and neighboring structures, review your NES electric bills, and determine the right system size. If you need a new roof, we design the metal roof and solar layout together.

2

System Design & Engineering

Our team designs the solar array around the roof — not the other way around. Panel placement accounts for seam locations, snow guards, ventilation clearances, and service access paths. Structural load calculations confirm your deck and framing can handle the added weight.

3

Permitting & Interconnection

We handle Davidson County building permits, electrical permits, and the NES interconnection application. No paperwork for you. We know the local process because we file these every week.

4

Metal Roof Installation

Our roofing crew installs the standing seam system first — underlayment, panels, flashings, trim, and ventilation. The roof is complete and watertight before any solar equipment touches it.

5

Solar & Battery Installation

Same crew, same week. Non-penetrating clamps mount to the standing seams. Panels, microinverters or string inverter, conduit, disconnects, and battery (if included) are installed and wired. No lag bolts. No new holes in your roof.

6

Inspection, Commissioning & Monitoring

County electrical inspection, NES meter swap, system commissioning, and monitoring setup. We walk you through the app, show you your production data, and make sure everything is generating before we leave.

Nashville Solar Data

The Numbers — Honest, Nashville-Specific

Nashville gets approximately 4.8 peak sun hours per day on average — not as high as Phoenix, but more than enough to make solar work. A properly designed system on a south-facing metal roof in Nashville will produce meaningful energy year-round.

The average Nashville household uses about 1,075 kWh per month, paying roughly 12¢ per kWh to NES. That's about $134/month. A 10 kW solar system in Nashville can produce approximately 13,500–14,500 kWh per year — enough to offset most or all of that bill.

Federal Tax Credit Update

The federal solar Investment Tax Credit (ITC) provided a 30% credit on solar system costs through the end of 2025. As of 2026, the residential ITC has expired for new installations. Commercial projects may still qualify for credits under different provisions. We'll walk you through what incentives are currently available during your consultation, the landscape is still shifting and we stay current on it.

Black solar panels installed on an angled metal rooftop with trees in the background.

Even without the federal credit, solar economics still pencil out in Nashville for most homeowners — especially when paired with a metal roof that eliminates the cost of removing and reinstalling panels for a reroof. That hidden $3,000–$6,000 cost every 20 years is what most solar calculators don't account for.

Federal Tax Credit Update

Tennessee doesn't have traditional net metering. TVA offers a net billing program where you're compensated for excess energy at a lower rate than what you pay to buy it. This means storing excess production in a battery and using it yourself is often more valuable than sending it back to the grid. We design every system with this in mind.

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The Combined Math

Roof + Solar Together Costs Less Than You Think

Most homeowners think about roofing and solar as two separate purchases. But when you combine them into one project, several costs overlap and disappear:

Scaffolding and staging — set up once, not twice. Electrical rough-in — conduit paths planned during roof install, not retrofitted later. Permitting — one combined project, fewer fees. Project management — one company, one timeline, one point of contact.

On a typical Nashville home, doing roof + solar together saves $2,000 to $5,000 compared to hiring two separate companies at two separate times.

Want to See Your Numbers?

We'll pull your NES and other local energy provider usage, measure your roof from satellite, and give you a real estimate — not a generic calculator result.

Get a Free Solar + Roof Estimate
Frequently Asked Questions

Solar & Battery — Nashville FAQ

Can I add solar to my existing metal roof?

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Yes — if you have standing seam, it's one of the easiest roofs to add solar to. Non-penetrating clamps attach directly to the seams with no drilling. If you have an exposed fastener metal roof, we can still install solar, but the mounting approach is different and may require some penetrations. We'll assess your existing roof condition and remaining lifespan before recommending solar on top of it — no point putting a 25-year solar system on a roof that needs replacement in 10 years.

Do I need a battery, or can I just get panels?

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Panels alone will reduce your electric bill. But in Nashville, a battery adds two major benefits: backup power during outages (which happen 5–7 times a year in severe weather), and the ability to store your excess solar production instead of selling it back to TVA at a discounted rate. If you want maximum savings and resilience, we recommend panels plus at least one battery. If budget is a concern, panels alone still make sense — and you can add a battery later.

How long does a combined roof + solar project take?

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Typically 2–3 weeks from start to finish for a combined metal roof and solar installation. The roof itself takes 5–10 days depending on complexity. Solar installation adds 2–4 days. Permitting and NES interconnection can add 2–6 weeks of lead time, but we start that paperwork early so it doesn't delay your project. When you hire two separate companies, you're often looking at 6–10 weeks total with gaps between.

Is the federal solar tax credit still available?

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The 30% residential solar Investment Tax Credit expired at the end of 2025 for new installations. The incentive landscape is evolving — some commercial provisions may still apply, and state or utility programs occasionally emerge. We stay current on available incentives and will walk you through exactly what's available at the time of your consultation. Even without the federal credit, solar still makes financial sense for most Nashville homeowners over a 25-year ownership period.

Will solar panels void my metal roof warranty?

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Not when we install both. Since we're the roofing manufacturer's authorized installer and the solar installer, there's no third-party work that could void your roof warranty. When a separate solar company installs on your roof, many roofing warranties are voided because the manufacturer didn't authorize those penetrations or modifications. With us, the whole system stays under warranty because one company built it all.

How much will I actually save on my electric bill?

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A properly sized system can offset 80–100% of your NES electric bill. For the average Nashville home paying $134/month, that's $1,200–$1,600 per year in savings. Over 25 years, even accounting for panel degradation (typically 0.5% per year) and rising electric rates (historically 2–3% per year in Tennessee), total savings commonly exceed $40,000–$65,000. We'll give you a specific projection based on your actual usage, roof orientation, and system size.

What happens during a power outage?

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Solar panels alone shut off during a grid outage — that's a safety code requirement to protect utility workers. With a battery, your system disconnects from the grid and creates its own "island." Your panels keep producing, your battery stores and delivers power, and your home stays lit while the neighborhood is dark. A single Tesla Powerwall (13.5 kWh) can power essential loads for 12–24 hours depending on usage, excluding large loads like an HVAC air conditioning system. Two units can keep most homes running through multi-day outages with solar recharging during the day.

Do you offer financing for solar + roof projects?

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Yes. We offer financing options for combined roof and solar projects. Many homeowners find that the monthly payment on a financed metal roof plus solar — combined with the electric bill savings — is comparable to or less than what they were paying for electricity and future reroof costs before. We'll show you the real monthly math during your consultation.

Farm the Sun

Ready to Talk Solar?

Call us. We'll talk about your roof, your electric bill, and whether solar makes sense for your home — no pressure.

(615) 649-5002
Request a free estimate