Free bill analysis - bring a power bill, get the production math for your actual roof, panel brands like Qcells and REC compared side by side
If the pitch starts at your door and ends with "sign tonight for the special," sleep on it. The sun will still be there tomorrow; so will we.
Fast, Reliable Solar Panel Installation Across San Antonio
A typical rooftop solar installation in San Antonio runs between $18,500 and $34,000 before incentives, and most homeowners see CPS Energy approval within four to eight weeks. That’s the honest range, not a bait number designed to get a salesman through your door. We’re Gus’s Solar, and we’ve been wiring systems into San Antonio’s particular mix of sun, hail, and municipal utility rules long enough to tell you exactly what your roof can handle and what your bill math actually looks like. Call (877) 550-6892 for a straight answer.
This page is built for homeowners inside the loop and across the northern growth edge, from the clay-tile bungalows of Monticello Park to the tract-home cul-de-sacs off Culebra. If you’re weighing solar in San Antonio, you need someone who knows the difference between a CPS Energy interconnection queue and a PUC filing. They are not the same thing, and getting it wrong costs you weeks.
Why Gus’s Solar Is San Antonio’s Preferred Solar Panel Installation Company
Gus Petrakis started this shop in 2011 and never hired a sales team. When you call, you get a live person, 24/7, not a voicemail tree and not a call center. When the crew shows up in Alamo Heights or Terrell Hills, they’re background-checked, uniformed, and employed by Gus directly. No subs. No mystery installers. The name on the truck is the name answering the phone.
We’ve pulled permits through the HDRC for homes in Monte Vista (78201) and King William (78204). We’ve worked roofs in 78213 and 78214 that other installers walked away from because the decking was original and the tiles were fragile. That local history matters. It means we know what the city will approve before we file, and we know which racking systems survive a San Antonio hailstorm without cracking a tile or voiding a roof warranty.
Every job comes with the 90-Day Done Right Promise in writing. If something isn’t right, one call brings Gus back. We also quote the year-25 output off your actual CPS Energy bill, not the day-one brochure number. Bring me a bill, Gus says. I’ll bring you the math. Take two weeks. Think about it. The price will be the same.
Our Solar Panel Installation Services in San Antonio
We don’t do “solar solutions.” We do specific work, on specific roofs, under specific San Antonio rules. Here’s what that actually looks like. For the full picture on system types and sizing, visit our Solar Panel Installation overview page.
Solar System Design & Permitting
Every San Antonio system starts with a design that accounts for CPS Energy’s interconnection requirements, not just roof angle and sun hours. We handle the full permit package, including HDRC applications when your home sits in a certified historic district. A typical design and permitting package in San Antonio runs $1,200 to $2,800, depending on jurisdiction and historic overlay.

Roof-Mount & Tile Roof Solar
Clay tile and concrete tile roofs dominate the Spanish-Colonial revival homes across the inner city. Standard penetration mounts will crack those tiles. We use tile-replacement mounting hardware on every tile roof in San Antonio, and we go slow. A tile-roof installation typically adds one to two days versus asphalt shingle, and the mounting hardware adds roughly $1,500 to $4,000 depending on array size.

Solar Panel Replacement
Hail takes out panels in San Antonio with depressing regularity. If your system took a hit and production dropped, we can match or upgrade the existing array. Replacement panel costs in San Antonio run $350 to $800 per panel installed, plus any racking or inverter work. We stock common Enphase and SolarEdge components locally, which means faster turnaround than waiting on a shipment from Houston.

Solar Interconnection & Utility Approval
This is where San Antonio is genuinely different from Dallas or Austin. CPS Energy runs its own interconnection queue, its own export-rate schedule, and its own net metering policy. We handle the entire application, the follow-ups, and the final energization sign-off. Interconnection and utility approval services in San Antonio run $800 to $2,200, and we don’t file until the design is HDRC-clean when applicable.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in San Antonio
We work with hardware that holds up to San Antonio’s hail season and production demands: Enphase microinverters, SolarEdge optimization, Tesla Powerwall integration, and FranklinWH battery systems. We don’t push one brand as a catch-all. The right inverter depends on your shading, your roof geometry, and whether you’re adding battery backup down the line. We stock common Enphase and SolarEdge parts locally for San Antonio customers, which means a failed microinverter gets swapped in days, not weeks.
Common Solar Panel Installation Problems We See in San Antonio Homes
- HDRC visual-prominence rejections in historic districts. A system that passes CPS Energy structural review can still get blocked by the Historic and Design Review Commission if panels are visible from the street. This forces a redesign to rear roof faces and can cut expected annual production by 30 to 40 percent. We disclose this trade-off in our proposals before you fall in love with a system-size number.
- Cracked clay tiles from standard penetration mounts. Installers who don’t use tile-replacement hardware leave cracked tiles that leak during the next big storm. On a 1940s bungalow in Monte Vista, our crew found original wood-deck underlayment under concrete tile that needed evaluation before any racking went up. We plan for that from the first site visit.
- Interconnection rejections from incomplete rapid-shutdown mapping. Pre-1960s bungalows in the 78201-78210 corridor often have detached garages with their own sub-panels. If the rapid-shutdown diagram omits that sub-panel, CPS Energy kicks the application back and your inverter sits dormant for weeks. We map every panel and sub-panel on day one.
- Hail-damaged panels with hidden microcrack degradation. A panel can survive a 1.5-inch hail impact with no visible glass damage and still lose 10 to 15 percent output from microcracks. San Antonio sits in a high-frequency hail corridor, so we recommend panels with strong IEC 61215 hail-impact ratings and we document post-storm production drops.
Pricing for Solar Panel Installation in San Antonio, TX
Here are the line-item ranges for the work we do across San Antonio. These are honest starting points, not the inflated “list price” designed to make a discount feel generous.
| Service | Typical Range in San Antonio |
|---|---|
| Rooftop Solar Installation | $18,500 - $34,000 before incentives |
| Solar System Design & Permitting | $1,200 - $2,800 |
| Solar Panel Replacement | $350 - $800 per panel installed |
| Roof-Mount & Tile Roof Solar | $1,500 - $4,000 in added mounting hardware |
| Solar Interconnection & Utility Approval | $800 - $2,200 |
| Solar Panel Removal & Reinstall | $2,500 - $6,000 depending on roof size and access |
What moves the number: roof pitch, tile versus shingle, historic-district design constraints, whether your main panel needs upgrading, and the CPS Energy export rate at the time of application. We quote off your actual bill, not a spreadsheet guess. Estimates are free. If a salesman needs an answer tonight, the answer is no. Call (877) 550-6892 and we’ll walk the roof with you.
We Also Serve Cities Near San Antonio
Our crews regularly work in Alamo Heights, Terrell Hills, Kirby, and Windcrest. The CPS Energy rules apply to most of these communities, which means the same careful interconnection and design work we do inside the loop carries right over. If you’re in one of those cities, call (877) 550-6892 and we’ll tell you straight whether your roof is a good solar candidate.
Serving San Antonio, TX - Our Local Coverage Area
We’re based in the San Antonio area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs - Solar Panel Installation in San Antonio
No. CPS Energy ended traditional net metering and now applies a solar export credit rate that’s lower than the retail electricity rate, with application caps and a queue for new interconnections. The exact credit depends on your rate plan and when your application is accepted. Call (877) 550-6892 and we’ll run your bill under the current CPS Energy export schedule for an accurate payback estimate.
Usually not. The Historic and Design Review Commission requires that panels not be visually prominent from the public right-of-way, which in practice means rear roof faces or arrays lowered behind parapets. This can cut usable capacity by 30 to 40 percent compared to an optimal south-facing layout. We’ve worked these approvals before and we’ll tell you the real number before you spend a dollar on design.
It should push you toward panels with high IEC 61215 hail-impact ratings and away from the cheapest glass. San Antonio sees large-hail events exceeding 1.5 inches with enough frequency that panel hail ratings are a genuine insurance consideration, not a box-ticking afterthought. We spec panels that survive this climate; call (877) 550-6892 for the list of what we currently recommend.
Plan on four to eight weeks from application to energization, assuming no HDRC redesign and no sub-panel mapping corrections. King William homes in 78204 often need both, which can push the full timeline to ten or twelve weeks. We keep you posted at each step; no silent waiting, no mystery queue.
Yes. Clay tile roofs need tile-replacement mounting hardware, not standard penetration mounts. Using standard mounts cracks tiles and leads to water intrusion during the next heavy storm. The added hardware cost runs $1,500 to $4,000 depending on array size, and it’s non-negotiable if you want the roof to stay watertight. Call (877) 550-6892 for a free estimate that includes tile-specific racking.
Get a Straight Answer from a San Antonio Installer
If you’re in 78211, 78212, 78213, or 78214, or anywhere else in San Antonio, call (877) 550-6892. Gus’s Solar will send someone who knows this city’s roofs, its utility, and its rules. Bring me a bill, I’ll bring you the math. Take two weeks. Think about it. The price will be the same.
Written by Gus Petrakis, Owner at Gus’s Solar, serving San Antonio since 2011.






Before
After
Before
After
Before
After