Build your solar installation with Alma Solar in 2023

While the risk of power cuts this winter is gradually fading, the importance of diversifying the electricity supply in France and Europe remains a key subject at the start of the year. This may be an opportunity to bring your solar installation projects out of the closet!! Especially since the advantages of this type of electricity: renewable, inexhaustible and storable, […]

ocean thermal energy or OTEC

Énergie Thermique des Mers (ETM) or Ocean Thermal Energy Conversion (OTEC): renewable energy with great energy potential

ETM (also known by its English acronym OTEC for Ocean Thermal Energy Conversion) is a relatively unknown renewable energy but with considerable energy potential! The ETM had already been approached a few years ago on the forum energies. Brought back to the fore by the legislative elections in Polynesia, in particular […]

solar battery

How to choose a solar battery for your photovoltaic installation in 2022?

After having approached the installation of photovoltaic panels, it seems logical to us to cover the subject of batteries, essential for the realization of an autonomous solar installation or to increase its solar self-consumption. Indeed, if you have opted for an off-grid installation therefore not connected to the electricity grid, the electricity produced by your solar panels will have to […]


Install photovoltaic panels in 2022? An interesting solution towards energy independence

The transition to solar energy production in France should accelerate for companies and public buildings thanks to the solar plan in 2022. This energy production involves the installation of photovoltaic panels allowing the production of solar electric energy carbon-free. But what about individuals? With the collapse of solar photovoltaic prices, divided by […]

Sizing of an Archimedean screw for hydropower - INSA Strasbourg

Sizing of an Archimedes screw for hydroelectricity - INSA Strasbourg. Optimization of an Archimedean screw for energy production in micro-hydroelectric power stations. by Guilhem DELLINGER, Abdelali TERFOUS, Abdellah GHENAIM, Pierre-André Garambois KEYWORDS: Fluid mechanics, Renewable energy, Micro hydroelectric power station, Archimedean screw, Experimentation Summary The use of Archimedes screw in micro hydroelectric power stations is a way […]


Energy transition: Portugal powered for 4 days entirely with renewable electricity!

While France continues to bet (almost) everything on nuclear electricity… countries are currently breaking records for renewable electricity production! This month it's Portugal's turn to achieve a real tour de force of renewable energy! A few days after Germany produced so much renewable electricity that producers […]

Download: Transforming an engine AC generator

How to turn a small engine into a generator? This document helps to understand how it is possible to quite easily transform different types of motors into generators for small renewable energy applications at home. Find out more: Converting an automotive alternator to a wind turbine Forum Electricity supply Forum self-construction and DIY Download the file (an inscription […]

Download: solar oven cooker Scheffler, detailed plans for manufacturing

Manual construction of a 2m2 Scheffler solar cooker reflector. Cooking with the sun will give you pleasure! by Daniel Philippen, Adrian Konrad, Benjamin Leimgruber. With the help of Wolfgang Scheffler, Heike Hoedt (Solare Brücke) Translation: Guillaume Renault This 56-page document explains, step by step, how to make a solar cooker by parabolic concentration of […]