Solar Power: Panels, Kits, Sizing Guides & Top Brands
Everything PES Supply has published on solar power, organized by intent. Start with the sizing guides — how many panels your kWh usage actually requires, what a 25 kW array looks like on a roof, and what a 3,000-watt system can really run. Then dig into the architecture decisions: microinverters vs DC optimizers, string vs hybrid inverters, and premium panel shootouts like REC vs Qcells. Our brand guides carry dealer-level specs on the modules, inverters, and racking we stock, and the shop links jump straight to live inventory at wholesale pricing. Whether you are a contractor building a BOM or a homeowner checking a quote's math, this page is the fastest route to the right guide.
Start here
Solar Panels for 1500 kWh/Month: Complete Sizing Guide →
The most-visited solar guide on the site — turn a utility bill into a panel count, array square footage, and equipment shortlist using real sun-hour data.
Sizing Guides
From monthly kWh to panel count, roof area, and realistic output — the math before the quote.
- Panels for 1500 kWh/Month — The average US home's usage translated into panel count and array size by region.
- Solar Panels for a 3,000 Sq Ft Home — Square-footage-based sizing with roof-area constraints and usage assumptions.
- How Big Is a 25 kW Solar Array? — Commercial-scale sizing — panel count, footprint, and annual production for 25 kW.
- Panels for 4,000 kWh/Month — High-usage homes, shops, and small commercial — sizing for heavy loads.
- What Can a 3,000W Solar System Run? — A realistic appliance-by-appliance look at small-system output.
- 1000W Solar Panel Size in Inches — Exact dimensions and form factors for the largest module class.
- Can a 200W Panel Run a 12V System? — RV and off-grid basics — what a single 200W panel can power and charge.
Comparisons
Architecture and brand shootouts — the decisions that change the quote.
- Enphase vs SolarEdge: Microinverters vs Optimizers — IQ8 vs HD-Wave — architecture, warranty, rapid shutdown, and cost per watt compared.
- REC Alpha Pure-RX vs Qcells Q.TRON — Premium residential panel shootout — HJT vs TOPCon, degradation, and warranty.
- Sol-Ark vs EG4 Hybrid Inverters — 12K/15K vs 12KPV/18KPV — the two most-quoted hybrid platforms compared.
- MidNite vs Victron Charge Controllers — Classic vs SmartSolar — off-grid MPPT platforms on features, comms, and price.
- 7 Solar Technology Trends in 2026 — Perovskites, TOPCon, and the technology shifts worth watching this year.
Brand Guides
Dealer-spec guides to the panel, inverter, and racking lines we stock — cell technology, datasheets, and spec-for-spec positioning.
- REC Group — Alpha Pure-RX HJT modules — premium residential with top-tier degradation rates.
- Jinko Solar — Tiger Neo TOPCon modules — the volume leader's residential and commercial lines.
- Trina Solar — Vertex series with 210mm cells — high-wattage modules for every segment.
- Canadian Solar — HiKu and HiHero TOPCon — installer-friendly specs across residential and C&I.
- LONGi Solar — Hi-MO series with back-contact cell technology — efficiency leaders.
- JA Solar — DeepBlue TOPCon series — value-tier pricing with Tier-1 bankability.
- Silfab Solar — Premium North American-made mono PERC modules.
- Mission Solar — Made-in-USA modules — BABA-compliant options for federal projects.
- SolarEdge — Power optimizers and HD-Wave inverters — the DC-optimized architecture.
- Sol-Ark — Hybrid and off-grid inverters — the contractor favorite for battery-ready systems.
- SMA — Sunny Boy and Tripower — German-engineered string inverters.
- Sungrow — Residential through utility-scale inverters from the global shipment leader.
- Fronius — GEN24 Plus hybrid and SnapInverter lines — Austrian build quality.
- GoodWe — Hybrid inverters, ESA all-in-one, and SEMS monitoring.
- Hoymiles — Microinverter specialist — module-level power electronics at sharp pricing.
- IronRidge Racking — XR rails and FlashFoot2 — the racking standard for pitched roofs.
- Unirac Racking — SolarMount and FlashLoc — UL 3741-compliant racking systems.
- SnapNrack — Ultra Rail and TopSpeed — installer-driven racking design.
- Quick Mount PV — QBase flashing systems — waterproof roof attachments done right.
Shop Solar
Panels, kits, and inverters in stock — residential through commercial, wholesale pricing with freight nationwide.
- Solar Panels — Modules by wattage, cell type, and brand.
- Solar Panel Power System Kits — Complete matched kits — panels, inverter, and racking.
- Residential Starter Kits — Grid-tied starter systems for homes.
- DIY Solar Kits — Off-grid and DIY packages with everything included.
- Inverters — String, micro, and hybrid inverters by brand.
- REC Solar — Alpha series premium modules.
- Jinko Solar — Tiger Neo TOPCon modules.
- Trina Solar — Vertex series modules.
- Qcells Panels — Q.TRON and Q.PEAK series.
- Enphase — IQ microinverters, batteries, and combiners.
- SolarEdge — Optimizers and HD-Wave inverters.
- Sol-Ark — Hybrid inverter platforms.
Why contractors source from PES Supply. We are a wholesale supplier, not a content farm — every guide on this page exists because we sell and support the equipment it covers. That means real model numbers, real warranty terms, and honest limitations instead of affiliate-listicle rankings. Order through any collection link and you get contractor pricing, consolidated freight on multi-pallet orders, and a support line staffed by people who can read a spec sheet.
Get a wholesale quote. Quoting a residential or commercial array? Send us the utility bill or load profile — we'll spec panels, inverter architecture, and racking as a complete BOM at wholesale. Request a quote →
Portlandia Electric Supply stocks generators, solar, battery storage, EV charging, and electrical supplies at wholesale — browse all collections or explore our other hubs: Generators · Solar · Battery Storage · EV Charging · Electrical.
