The PV high season is just around the corner. Between March and June, electrical companies in Germany traditionally record the most installation orders—and 2026 will be no different. On the contrary: the solar obligation in several federal states, rising energy prices, and the ongoing balcony power plant boom are ensuring full order books.
However, those who only react when orders come in will lose valuable time. In this article, we show you how to optimally prepare your business for the coming months—from material planning to efficient installation on the roof.
Why 2026 will be a particularly strong PV season
Three factors are driving demand this year:
Solar obligation for roof renovations: North Rhine-Westphalia introduced a solar obligation for roof renovations on January 1, 2026. Baden-Württemberg and Lower Saxony have had similar regulations since 2023 and 2025, respectively. For electrical companies in these federal states, this means: every major roof renovation potentially becomes a PV order.
Demand for balcony power plants continues to grow: Simplified registration and increasing module outputs make balcony power plants more attractive than ever for homeowners. Many customers want professional installation—especially if cables need to be routed through the roof.
Existing systems need maintenance: With over 4.8 million existing PV systems in Germany, the maintenance market is also growing. Provisional cable entries from the early days often show signs of abrasion after five or more years and need to be modernized.
Material planning: Order now instead of waiting later
Experienced installers know the problem: in the middle of the high season, certain components are suddenly only available with long delivery times. The solution is proactive material planning.
Calculate quantity: Consider how many PV systems you will realistically install between April and June. Depending on the system size and cable routing, you will need between 2 and 8 cable entries per system. For 20 planned installations, 100 or more entries quickly add up.
Use bulk packages: The NEXCAPE® PV Cable Roof Penetration is available in packages of 20, 50, 100, 500, and 1,000 pieces. Larger packages offer better unit prices and ensure you are supplied throughout the season—without reorders and additional shipping costs. For orders over €150, we deliver free of charge within Germany.
Have all three lengths in stock: The roof penetrations are available in 105 mm, 125 mm, and 150 mm lengths. Which one you need depends on the tile thickness. Having all three variants in stock saves you waiting times on the construction site.
Shorten installation time: Practical tips for the season
Every minute on the roof counts—especially when the order situation is tight. Here are three practical tips to increase your installation efficiency:
Do not disassemble MC4 connectors: A common time-waster with conventional penetrations is the disconnection and reconnection of MC4 connectors. The NEXCAPE® roof penetration is designed so that PV cables with assembled MC4 connectors can be routed through. This saves 10 to 15 minutes per cable strand—for a complete system, this quickly adds up to over an hour.
Installation in three steps: The installation is deliberately kept simple: grind out roof tiles if necessary, route PV and grounding cables, hang the roof penetration into the tile. No special tools are required. This allows even installers without special instructions to install the penetration correctly.
Prepare cable management: Plan the cable routes on the roof in advance. Clean cable routing with suitable cable clamps not only reduces installation time but also protects the cables from abrasion and weather influences in the long term.
Example calculation: Time savings per season
Suppose your company installs 30 PV systems between April and June, with an average of 4 cable penetrations per system. This results in 120 penetrations in three months.
If you save 15 minutes per penetration because the MC4 connectors do not have to be disassembled, this results in 30 hours of saved working time in one season. At an hourly rate of €65, this corresponds to a value of almost €2,000—working time that you can use for additional orders.
Checklist: Season preparation for electrical companies
Use the remaining weeks before the start of the season to tick off the following points: Check material stock and reorder cable penetrations in all three lengths. Instruct installation teams on penetration installation—the installation is intuitive, but a short briefing ensures consistent quality. Keep cable clamps and fastening material ready for clean cable management. Optimize vehicle loading so that all necessary components are readily available. Prepare maintenance offers for existing customers—the retrofit market will continue to grow in 2026.
Conclusion: Prepare now, profit in season
The PV season 2026 offers enormous opportunities for electrical companies and installers. Those who invest in preparation now—ordering materials, optimizing processes, and instructing the team—will not only manage the wave of orders but also profit from it.
Do you want to stock up for the season? Discover our bulk packages of the NEXCAPE® PV Cable Roof Penetration—available in 105 mm, 125 mm, and 150 mm, from 20 pieces up to the 1,000-piece package. Free shipping for orders over €150.
Roof penetrations for solar cables (105/125/150 mm)
For questions, please contact us at support@dachdurchfuehrung24.com or by phone at 07054 927999.
This article is aimed at electrical companies and installers in the B2B sector. All product data is based on the official NEXCAPE® data sheet (Batch 12/2025).
