Lithium batteries have become a key solution for energy storage in solar systems. Thanks to their high efficiency, long service life and fast charging capability, they are ideal for self-consumption and backup power applications. In this blog post, we explain what lithium batteries are, how they work, their advantages and disadvantages, and why they are […]
Tesla Powerwall Battery: Complete Guide, Reviews and Features
How can the Tesla Powerwall battery transform energy self-consumption in Spanish homes and businesses? The Powerwall lets you store solar energy and use it when you need it most, maximising savings and energy independence. Find out in this guide how it works, what it costs and whether it is really worth it for you. The […]
Tongwei 630 Solar Panels: Why They’re the Smartest Photovoltaic Investment of the Year
If you are looking for Tongwei solar panels offering the best value for money on the market, here is the full range available. The standout is the Tongwei 630W TNC 2.0 solar panel, a bifacial N-type TOPCon module with dual glass, 23.3% efficiency and a 30-year linear power warranty. It comes from the world’s leading […]
PVSTAR: The Residential Self-Consumption Revolution and the End of Energy Dependency
Why PVSTAR stands out from industry giants? The Heart of the System: Next-Generation Hybrid Inverters Single-Phase PVS-AS Series: 48V Intelligence Three-Phase PVS-AT G2 and Pro Series: Industrial Power for Your Home Strategic Storage: LFP Lithium Batteries Modularity and Scalability The Leap to Electric Mobility PVSTAR Self-Consumption Kits: Synergy and Savings Safety and Backup Mode: Your […]
Kaise: Performance and Features of their Lithium, AGM Batteries, and UPS Systems
In the energy sector, there are names synonymous with endurance and others with innovation. Kaise is one of the few brands that has managed to master both worlds. From critical data center backup to storage for a camper van or an off-grid home, Kaise products represent the backbone of thousands of installations in 2026. If […]
2026 Buying Guide: Why Weidmüller is the Smart Investment in Photovoltaic Protection
In the solar energy industry, we are often dazzled by the efficiency of a state-of-the-art panel or the aesthetics of a hybrid inverter. However, at Tienda Solar we are aware that the backbone of any installation that aims to last more than 25 years is not in the generation, but in the safety and management […]
What orientation should solar panels have for maximum efficiency?
Quick answer: Why orientation and tilt matter? In photovoltaics, the orientation (azimuth) and tilt determine how much plane-of-array irradiance the solar panel captures throughout the day and year. These two parameters directly affect annual energy output (kWh). Accurate design translates into more hours near peak power and a faster return on investment. Conversely, incorrect orientation […]
Do you want solar energy in your home? Learn how to install solar panels yourself
Installing solar panels in single-family homes has become one of the most effective solutions to reduce energy consumption and embrace a renewable and sustainable source. In this step-by-step guide, we explain everything you need to know to install solar panels in your home, from initial planning to system commissioning. Step 1: Energy Consumption AssessmentBefore installing […]
The Power of Your Solar Panels: Key Points for an Efficient Installation
The power of a solar panel is one of the key factors when sizing a photovoltaic system. In this article, we explain what solar panel power means, how it is measured, the different types available, and, most importantly, how to calculate how much power you need based on your energy consumption. What is the power […]