At ECS, we install high-end, high-capacity off-grid and grid-connected solar and battery storage systems designed to guarantee true energy independence. Because these setups are often in isolated locations, we also integrate satellite communication systems (yes, we have European alternatives to Starlink). While these satellite packages offer some of the best value on the market, our solar installations are strictly high-end—built with industrial-grade equipment, continuously monitored, and expertly fine-tuned for the first 12 months.
This connectivity lets us monitor your system’s performance remotely in real time to ensure everything runs flawlessly. Just as importantly, it provides you with fast, reliable home internet for everyday use, streaming, and general communication in places where standard networks simply don’t reach.
Beyond turnkey installations, we offer consulting to design bespoke systems and modify and upgrade existing solar infrastructure. Whether you are powering a remote home or securing an industrial facility struggling with a high-use, unstable power connection, our solutions are meticulously engineered around premium, rugged hardware like Victron to deliver bulletproof autonomy.
Off-Grid System Optimisation
Eco Conil Soluciones, S.L.
System Parameters
Battery Storage Parameters
Recommended: 80% for LiFePO4 / Victron systems.
System Requirements
Average Year-Round
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Winter Deficit Target
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Total Battery Capacity
Required energy storage to sustain the load during periods of low irradiation based on selected autonomy and depth of discharge.
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Array Size Comparison (kW)
Optimising the installation for winter conditions prevents reliance on generators.
True energy independence does not exist in a vacuum; it works hand-in-hand with our approach to building restoration and natural insulation. When our power networks are paired with high-performance, vapour-permeable building envelopes—utilising materials like Steico wood fibre and Diathonite—the structural thermal mass drastically reduces your property’s energy demands, allowing our systems to perform with exceptional efficiency. Our core philosophy is simple: we prioritise self-consumption above all else. Due to the remoteness of many of our clients’ properties—often nestled in the mountains of Asturias or deep in rural landscapes—relying on a fragile and fluctuating national network is simply not an option. Our systems are built to generate, store, and manage your own power locally. The vast majority of our pure solar and battery installations operate entirely independent of the grid for most of the year, except those pure off-grid setups with supporting backup generators.
Tried and Proven Technology Solar and off-grid power generation is nothing new, and we have no interest in reinventing the wheel. We do not test unproven trends or experimental hardware on our clients’ properties. Just as we rely on time-tested traditional lime plasters and natural fibres for building, we focus on established, tried and proven electrical systems that simply just work. By pairing our technical expertise with industry-leading, reliable equipment, we deliver robust power networks that perform day in and day out, without overcomplicating the engineering.
Scale and Smart Automation While the underlying technology is proven, what truly makes our systems different is their scale and automation capabilities. We can build and install systems ranging from 10kW residential hubs up to massive 64kW industrial setups, always paired with appropriately sized battery banks capable of buffering heavy loads and unstable grid connections.
Furthermore, we integrate intelligent automation to maximise your self-consumption. Rather than letting surplus energy go to waste once your batteries are full, our systems can be configured to use that excess power as a “solar dump”—automatically diverting it to heat your jacuzzi, warm your swimming pool, power agricultural pumps, or charge thermal storage exactly when needed.
Battery as a Service Ready While our primary focus is your immediate autonomy, we also engineer for the future. Every system we design can be seamlessly incorporated into supporting Battery as a Service (BaaS) networks. Should you choose to participate in these emerging grid-balancing models, your system’s advanced hardware is fully capable of trading your surplus energy, allowing you to generate a return on your investment without ever compromising your own facility’s power security.
Freedom from the Network Traditional grid-tied solar systems leave you vulnerable to blackouts, tariff spikes, and grid instability. Furthermore, sending excess power back to a flooded daytime grid offers diminishing returns. By focusing entirely on energy autonomy, an ECS system ensures that your restored, eco-built, or industrial property remains fully powered on your own terms.
Your core battery reserve is strictly sized to ensure total comfort and security, giving you the freedom to live and operate without compromise. We deliver exceptionally rugged systems designed for forward-thinking owners who demand energy independence today.
