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<main> | ||
<div> | ||
<!-- TODO should we be getting rid of the pre-loaded communities? what's the situation with datenschutz? --> | ||
<!-- TODO should we be getting rid of the pre-loaded communities? what's the situation with datenschutz? --> | ||
<h4>Project setup</h4> | ||
<strong>Pre-loaded communities</strong>: In the step to pre-select a community, one of the five pilot communities | ||
related to the project can be selected. Upon selection, the community will be automatically selected from the map | ||
and the communities' name filled into the <b>Name</b> field. Additionally, the communities' number of households, | ||
enterprises and public facilities will be pre-loaded to aggregate the demand in step 3. This step is not necessary and should | ||
be left blank if the project to be created is unrelated to one of the pilot communities. <br> | ||
<strong>Other communities</strong>: | ||
If the process should be conducted for a different community, the project site should be selected. To select a site, simply select the location on the map. | ||
The map can be zoomed in and out by scrolling and moved with drag-and-drop. Once a site is selected, the | ||
latitude and longitude will be automatically filled in. <br> | ||
<!-- TODO should we get rid of simulation start?--> | ||
<strong>Currency exchange rate</strong>: The assumed exchange rate plays a role for the default costs used during the process of this toolbox. | ||
Since default cost assumptions made are based on typical costs in USD, the assumed costs for the systems | ||
<p> | ||
<span class="helpvar">Pre-select a community (optional):</span> In the step to pre-select a community, you may select one of the five pilot communities | ||
related to the project. Upon selection, the community will be automatically selected from the map | ||
and the communities' name filled into the <span class="helpvar">Name</span> field. Additionally, the communities' number of households, | ||
enterprises and public facilities will be pre-loaded to aggregate the demand in <a href="#section-demand_profile">step 3</a>. | ||
Pre-selecting a community is <b>not</b> necessary and should be left blank if the project to be created is unrelated to one of the pilot communities. | ||
</p> | ||
<p> | ||
To conduct the process for your own community, please input the community name into the <span class="helpvar">Name</span> field. | ||
You may optionally add a <span class="helpvar">description</span> for your project. | ||
</p> | ||
<p> | ||
<span class="helpvar">Latitude and longitude:</span> To fill in the site's coordinates, simply select the location on the map. | ||
You can zoom into the map by scrolling and panning by dragging. Once a site is selected, the | ||
latitude and longitude will be automatically filled in. | ||
</p> | ||
<!-- TODO should we get rid of simulation start?--> | ||
<p> | ||
<span class="helpvar">Currency exchange rate:</span> The assumed exchange rate plays a role for the default costs used during the process of this toolbox. | ||
Since default cost assumptions made are based on typical costs in USD (see sources for default values in | ||
<a href="#section-scenario_setup">step 4</a>), the assumed costs for the systems | ||
might be outdated if the exchange rate fluctuates significantly. The current exchange rate is fetched once | ||
during the creation of the project, but won't update automatically after the project is created. As such, | ||
the user should make sure that the given exchange rate still constitutes a reasonable assumption when working on older projects. <br> | ||
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during the creation of the project, but will <b>not</b> update automatically once the project is created. As such, | ||
you should ensure that the given exchange rate still constitutes a reasonable assumption when working on older projects, | ||
and manually update its value if necessary.<br> | ||
</p> | ||
</div> | ||
</main> |
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app/templates/cp_nigeria/help_pages/demand_profile.html
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{% load static %} | ||
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<main> | ||
<!-- TODO change this description based on if we keep the different wealth tiers or not--> | ||
<div> | ||
<h2>Community load input</h2> | ||
Several typical standardized demand profiles have been developed from roughly 3600 energy appliance | ||
ownership and usage surveys that were conducted across Nigeria in 2020 in 3 prioritized geopolitical zones. | ||
Survey details can be found in the following publication: | ||
<a href="https://www.nature.com/articles/s41597-023-02185-0">PeopleSuN (2023) Electricity supply quality and | ||
use among rural and peri-urban households and small firms in Nigeria</a> <br> | ||
Since the toolbox uses standardized demand profiles from electrified regions, the aggregated demand estimated in this | ||
step is assumed to be able to cover future demand, and thus does not include a growth factor over time. To address concerns regarding | ||
system oversizing, the household coverage parameter was introduced <!-- TODO link to the section where that is explained--> | ||
In this step, the user should input all households, enterprises and public facilities present in the community. | ||
All enterprise load profiles only include typical low power appliances in their respective demand profiles. As such, | ||
if machinery responsible for large loads should be included, this needs to be done separately by adding "Machinery" | ||
consumers to the list. As such, the user filling out the community demand should not only have information about | ||
the general community size and consumers, but also about specific large load related to existing enterprises. If a | ||
specific demand profile is not found on the list, the user may default to the generic load profiles included in the list. | ||
<h2>SHS Threshold</h2> | ||
Typically, not all households would be connected to the mini-grid. Instead, for households for which the grid connection | ||
cost is too high, a Solar Home System might provide a more feasible alternative. Normally, both spatial distribution | ||
and estimated demand play a part in defining these households. Since the spatial component is not included in this | ||
toolbox, households can instead be excluded from the simulation based on their estimated demand. By default, | ||
all households assumed to belong to the "Very Low Consumption" tier are assumed to be served by Solar Home Systems | ||
instead. For the toolbox, this means that the demand belonging to these households is not included when sizing the mini-grid. <br> | ||
By de-selecting the "Served by SHS" trace in the given graph, the total demand used to size the mini-grid can be seen. | ||
If the SHS Threshold is set to the highest demand tier, the demand is equivalent to only considering enterprises and public facilities. | ||
<h4>General Information</h4> | ||
<p> | ||
Several typical standardized demand profiles have been developed from roughly 3600 energy appliance | ||
ownership and usage surveys that were conducted across Nigeria in 2020 in 3 prioritized geopolitical zones. | ||
Survey details can be found in the following publication: | ||
<a href="https://www.nature.com/articles/s41597-023-02185-0">PeopleSuN (2023) Electricity supply quality and | ||
use among rural and peri-urban households and small firms in Nigeria</a>. Within this toolbox, the standardized | ||
load profiles are aggregated based on user input to create an estimated demand profile for the community. To construct | ||
this profile, you should have information about households, public facilities and enterprises (including specific machinery) available. | ||
</p> | ||
<!-- TODO change this description based on if we keep the different wealth tiers or not--> | ||
<p> | ||
<span class="helpvar">Households:</span> Please input the number of households in the community. If no community | ||
was pre-selected, all households are assumed to have the same demand, which corresponds to the Nigerian national | ||
average for electrified households as estimated within the <i>PeopleSun</i> project. Within this demand estimate, the following table | ||
displays which percentage of household is assumed to own one or more of the following assets: | ||
</p> | ||
<table class="table"> | ||
<thead> | ||
<tr> | ||
<th>Appliance</th> | ||
<th>Ownership rate</th> | ||
</tr> | ||
</thead> | ||
<tbody> | ||
<tr><th>Light bulb</th><th>99.5 %</th></tr> | ||
<tr><th>Radio</th><th>31.1 %</th></tr> | ||
<tr><th>Cell phone charger</th><th>88.0 %</th></tr> | ||
<tr><th>Television</th><th>63.5 %</th></tr> | ||
<tr><th>Laptop/Computer</th><th>8.0 %</th></tr> | ||
<tr><th>Fan</th><th>74.7 %</th></tr> | ||
<tr><th>Fridge</th><th>45.7 %</th></tr> | ||
<tr><th>Washing machine</th><th>3.9 %</th></tr> | ||
<tr><th>Air conditioner</th><th>5.7 %</th></tr> | ||
<tr><th>Electric water heater</th><th>5.2 %</th></tr> | ||
<tr><th>Electric cooker</th><th>4.7 %</th></tr> | ||
<tr><th>Rice cooker</th><th>1.5 %</th></tr> | ||
<tr><th>Sewing machine</th><th>3.9 %</th></tr> | ||
<tr><th>Home mechanical appliances (e.g., Mixer, Blender)</th><th>14.5 %</th></tr> | ||
<tr><th>Home thermal appliances (e.g., Kettle, Iron)</th><th>39.9 %</th></tr> | ||
</tbody> | ||
|
||
</table> | ||
<p>If a community was pre-selected, households will be assigned to difference electricity consumption tiers. The assignment | ||
of the households to each tier is based on wealth level estimations made from survey data.</p> | ||
<p> | ||
<span class="helpvar">Enterprises:</span> Please input the enterprises in the community. | ||
The standardized demand profiles for enterprises only include typical low power appliances. If the enterprise | ||
employs high power appliances, these should be added separately by adding additional consumers with the | ||
<span class="helpvar">Consumer Type</span> "Machinery". If a specific demand profile is not found, | ||
you may default to the generic load profiles included in the list. | ||
</p> | ||
<p> | ||
<i> | ||
<b>Example:</b> The community has a car repair shop. Apart from basic appliances, such as lighting, the shop | ||
also has a welder and two angle grinders. For this, three consumer groups need to be input: | ||
</i> | ||
<p> | ||
<ol> | ||
<li><i>Enterprise - Trades_Car or Motorbike Repair - 1</i></li> | ||
<li><i>Machinery - Welder - 1</i></li> | ||
<li><i>Machinery - Angle Grinder - 2</i></li> | ||
</ol> | ||
<p> | ||
<span class="helpvar">Public facilities:</span> Please input the public facilities in the community. If a | ||
specific demand profile is not found, you may default to the generic load profiles included in the list. | ||
</p> | ||
<h4>Adding consumers</h4> | ||
<p> | ||
To add a consumer, first select its <span class="helpvar">Consumer Type</span> from the drop-down menu. The possible | ||
consumer types are <i>Household, Public facility, Enterprise</i> and <i>Machinery</i>. After selecting the consumer type, | ||
you can select the specific <span class="helpvar">Demand Profile</span> from the next drop-down menu. Finally, | ||
you can input the number of consumers. </p> | ||
<p> | ||
<i><b>Example:</b> The community has three restaurants. First, we select "Enterprise" from the <span class="helpvar">Consumer Type</span> menu. | ||
</i></p> | ||
<p style="text-align: center"> | ||
<img src="{% static 'help_pages/demand_input_1.png' %}" alt="Demand input: Step 1" style="width: 80%"> | ||
</p> | ||
<p><i>Next, we select "Food_Restaurant" from the <span class="helpvar">Demand Profile</span> menu.</i></p> | ||
<p style="text-align: center"> | ||
<img src="{% static 'help_pages/demand_input_2.png' %}" alt="Demand input: Step 1" style="width: 80%"> | ||
</p> | ||
<p><i> | ||
Finally, we input the number "3" in the <span class="helpvar">Nr. of consumers</span> field.</i></p> | ||
<p style="text-align: center"> | ||
<img src="{% static 'help_pages/demand_input_3.png' %}" alt="Demand input: Step 3" style="width: 80%"> | ||
</p> | ||
<p><i> | ||
To add more consumer groups, we click on the <a>Add Consumer Group</a> button. | ||
</i></p> | ||
<p style="text-align: center"> | ||
<img src="{% static 'help_pages/demand_input_4.png' %}" alt="Demand input: Step 4" style="width: 80%"> | ||
</p> | ||
|
||
<h4> Advanced Options</h4> | ||
<p> | ||
Since the toolbox uses standardized demand profiles from electrified regions, the aggregated demand estimated in this | ||
step is assumed to be able to cover future demand, and thus does not include a growth factor over time. To address concerns regarding | ||
system oversizing, two advanced options are available. | ||
</p> | ||
|
||
<p> | ||
<span class="helpvar">Minimal percentage of demand to fulfill:</span> | ||
To avoid oversizing the mini-grid, it may make sense to size a system to only reliably satisfy a percentage of the future demand. | ||
The percentage given in this factor indicates what percentage of the household demand should be satisfied by the mini-grid. | ||
Demand from enterprises and facilities is always 100% satisfied. | ||
</p> | ||
<p> | ||
<i><b>Note:</b> This option is only available if a community was pre-selected and thus there are multiple | ||
possible consumption tiers for households. </i><br> | ||
<span class="helpvar">Threshold for SHS users:</span> | ||
Typically, not all households would be connected to the mini-grid. Instead, a Solar Home System might provide a | ||
more feasible alternative for households where the grid connection | ||
cost would be too high. Normally, both spatial distribution | ||
and estimated demand play a part in defining these households. Since the spatial component is not included in this | ||
toolbox, households can instead be excluded from the simulation based on their estimated demand. By default, | ||
all households assumed to belong to the "Very Low Consumption" tier are assumed to be served by Solar Home Systems | ||
instead. For the toolbox, this means that the demand belonging to these households is not included when sizing the mini-grid. | ||
If the SHS Threshold is set to the highest demand tier, the demand is equivalent to only considering enterprises and public facilities. </p> | ||
<p>When changing the Solar Home Threshold, the corresponding demand is displayed as hashed in the demand graph. | ||
By de-selecting the <i>"Served by SHS"</i> trace in the graph legend, the demand to be covered by the mini-grid can be displayed. | ||
</p> | ||
<p> | ||
<i> | ||
<b>Example:</b> The community has been added into the tool represented by its consumer groups. To simulate | ||
an alternative system, we want to consider a mini-grid that only consumers with a <i>Middle Consumption Estimate</i> | ||
or higher will be connected to. Additionally, we want to size the initial system to only | ||
satisfy 80% of the estimated demand. To accomplish this: | ||
|
||
<h2>Household demand coverage</h2> | ||
To avoid oversizing the mini-grid, it can sometimes be helpful to size a system not according to the total demand | ||
(which in the case of this toolbox represents future demand), but to only reliably satisfy a percentage of the total demand. | ||
The percentage given in this factor indicates what percentage of the household demand should be able to be satisfied by the mini-grid. | ||
Demand from enterprises and facilities is always 100% satisfied. | ||
</i> | ||
</p> | ||
<ol> | ||
<li><i>We set the <span class="helpvar">Threshold for SHS users</span> to "Middle Consumption Estimate"</i></li> | ||
<li><i>We set the <span class="helpvar">Minimal percentage of demand to fulfill</span> to 80%</i></li> | ||
</ol> | ||
</div> | ||
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</main> |
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