Ecohotel · figures, not adjectives
We do not have a certification plaque to hang on the wall. We have 190 solar panels, a battery bank that supplies energy during part of the night, and a pool with almost imperceptible chlorine levels. This is what we do: real data, measured and without embellishment.
190
solar panels on the roofs
60 kW
of installed capacity
70%
of the energy we consume
How the energy gets from the roof to your room
Photovoltaic system
The solar panels cover the building’s rooftops and provide 60 kW of nominal capacity. On a clear day, they produce more energy than the hotel consumes at that time; the surplus is used to charge the battery bank.
Storage
The main battery bank uses lithium technology with lithium iron phosphate (LFP) chemistry and has a capacity of 100 kWh. In addition, we have an older nickel-iron battery bank with a capacity of 144 kWh that is still operational, although it is approaching the end of its useful life. These energy storage systems allow the hotel to operate part of the night on solar energy. The 33 air conditioning units serving the 17 accommodation units are powered by this stored energy until the batteries reach their discharge limit (20% remaining energy). When the hotel has medium occupancy, the stored energy can cover most of the night and may even last until solar generation resumes the following day. However, when the hotel is fully occupied and temperatures are high, consumption increases and the stored energy may be depleted before midnight.
Hot water
The hot water in the bathrooms does not go through an electric element: it is heated by thermal solar panels and stored in three hot water tanks. That is why there is still hot water at six in the morning without the hotel spending a watt heating it. There is normally hot water enough, but if the sun fails to come out for several days in the rainy season (which is rare, but happens), the water may only be lukewarm.
Consumption in the room
All lighting is high-efficiency LED and the air conditioning is inverter. When you leave the unit, a switch cuts the power and leaves only the fridge and one socket for charging devices on. It is only fair to state the trade-off: you cannot leave the air conditioning running to come back to a cool room. You will have to wait a while for the room to cool down.
Water
During the rainy season, water collected from the rooftops is stored and reused for toilets and garden irrigation. It is not drinking water and is not intended for consumption; it is water that we use to reduce our reliance on the municipal water supply.The water is stored in an old underground garage located beneath the restaurant and is then pumped into a pressure tank for distribution.
Waste
Organic waste is separated and taken by a hotel staff to be used as animal feed. Plastic bottles are separated and sent for recycling. At the restaurant, we don't disposable products, only real tableware. For guests who wish to take food to eat outside the hotel, we provide compostable cups, containers, and bags.
Pool
The pool uses a high-efficiency filtration system (diatomic earth), and copper ions are injected to help prevent algae growth. Chlorine levels remain low and it is almost imperceptible: less odor, less eye irritation, and fewer chemicals.
The hotel has an emergency power system, ensuring that we are never left in the dark. This emergency circuit is supported by 10 kWh lithium batteries.
In the thirteen years the hotel has been in operation, we have never been left in the dark.
A note: Since the backup system kicks in automatically, a power outage isn’t always immediately obvious; sometimes guests call the front desk to report that the lights are on, but the air conditioning isn’t working. This is because the emergency circuit does not power the air conditioning units or electrical outlets—only the lighting, telephones, and internet.
Because saying “commitment to the planet” can mean many things; 60 kW solar panels and 100 kWh bateries, on the other hand, are concrete and verifiable figures. Any guest can see at least part of the solar panels on the roof and the batteries in the machine room. If you would like to learn more, we are happy to show them to you; just ask at the reception.
The 70% represents the share of the hotel's consumed energy that comes from the sun during a normal year. The remaining 30% comes from the electrical grid, mainly during cloudy days or periods of high temperatures when air conditioning demand increases.
This figure corresponds to the average recorded during 2025 (72%). We measure the energy coming out of the inverters (from the solar panels or the battery bank) and also measure the energy coming in from the public grid, so the calculation is based on real and accurate measurements.
There is also additional savings thanks to the solar thermal panels, as all the hotel's hot water comes from this system. However, it is more difficult to quantify this saving precisely, meaning how much electricity would have been required to heat the same amount of water.
The solar water-heating panels and a small 4 kW system have been operating since the hotel opened in 2013, while the more serious photovoltaic solar panels began operating in 2017. In 2023, we added an additional 10 kW of solar capacity.
Our next goal is to expand the lithium battery bank from 100 kWh to 200 kWh. We would also like to increase the number of solar panels, although we currently have limited available roof space with the appropriate south-facing orientation.
We hold no third-party environmental certification. If we ever obtain one, we will say who issued it and when. In the meantime, this page only states installations that exist and can be seen.
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