Access Technologies

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GIZ Girard Ollivier Benin ProAgri Cooking.jpg

The partnership programme supports off-grid as well as on-grid solutions. EnDev promotes appropriate technologies depending on the specific situation and preconditions. Accordingly technologies and approaches vary from country to country. Off-grid technologies include photovoltaic systems, micro hydro power plants, improved cookstoves, biogas. For areas where a power grid is in close distance, EnDev also facilitates grid extension or densification. For remote areas with no access to a central grid system (and no plans to be connected to the grid in the near future), EnDev supports decentralised or mini-grid energy solutions.

For detailed information about the technologies used please visit energypedia or click on the technology symbols below.

Solar Power

Hydro Power



Improved Cooking

Click here for more Information about Solar Power
Click here for more Information about Hydro Power
Click here for more Information about Biogas
Click here for more Information about Grid
Click here for more Information about Improved Cookstoves

The radiation energy of the sun can be utilised in two ways: by solar thermal technologies or solar electrical technologies. Since solar power is intermittent, it must be combined either with storage (batteries, working fluid) or other energy sources to provide continuous power. EnDev supports solar home systems (SHS) predominantly for providing electricity in households and social institutions and solar lanterns (PicoPV) predominantly for lighting in households. In some few cases in the Andean region, EnDev implements solar water heaters.

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Water moving down a mountain contains energy. This energy can be used by hydro power plants. Micro hydro power (MHP) schemes, as implemented by EnDev, are installed as a run-off river with very little impact on the local ecology. MHP can provide constant and reliable electricity for 24 hours a day. The generated electricity is provided via mini-grids, which are managed either by private companies or public institutions (as so called anchor clients) or by communities.

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Biogas originates from bacteria in the bio-degradation of organic material under anaerobic (without air) conditions. In principle, all organic materials can be fermented or digested. However, homogenous and liquid substrates can be considered for simple biogas plants as implemented by EnDev. These can convert faeces and urine from cattle, pigs and possibly from poultry and the wastewater from toilets. The biogas produced by a digester can be used as any other combustible gas, for cooking, lighting and heating.

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Connecting end-users to a grid is more than connecting a few wires: besides the construction and operation of the transmission lines and substations, utilities have to be ready for serving their customers, and end-users have to be trained on how to use the electricity efficiently. EnDev facilitates grid extension and densification by providing solutions for these complexities in cooperation with local partners.

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Cooking energy accounts for about 90% of all household energy consumption in developing countries. In most cases, traditional 3-stone-fires are used for cooking. These are inefficient and, due to relatively high smoke emission, unhealthy. Improved cookstoves save 40 – 80% of firewood and charcoal compared to the traditional cooking systems. These efficient and nearly smokeless stoves are affordable for all income groups. EnDev facilitates the dissemination of these stoves through self-sustaining markets.

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