Updates to Nord Pool integration (home-assistant#36261)

source/_integrations/nordpool.markdown

@@ -21,14 +21,9 @@ The **Nord Pool** {% term integration %} integrates [Nord Pool Group](https://ww
 
 The {% term integration %} provides the public market prices displayed on the [Nord Pool Auction page](https://data.nordpoolgroup.com/auction/day-ahead/prices).
 
-{% include integrations/config_flow.md %}
-
-{% tip %}
-Only a single configuration entry is supported. Use the reconfigure option from the configuration entry if needed to modify the settings.
+Most European energy is traded via the Nord Pool Group marketplace. If your energy provider doesn't have a dedicated Home Assistant integration and you have a spot-price-based contract, you can use the **Nord Pool** {% term integration %}. This integration provides spot prices for your selected market, which you can, as an example, use in a {% term template %} to calculate prices for your [energy dashboard](#energy-dashboard).
 
-EUR is the base currency for market prices. If you choose another currency, you can find the conversion rate in the `Exchange rate` sensor.
-All prices are displayed as `selected_currency/kWh`.
-{% endtip %}
+{% include integrations/config_flow.md %}
 
 {% configuration_basic %}
 Areas:
@@ -37,9 +32,22 @@ Currency:
   description: Currency to display prices in. EUR is the base currency in Nord Pool prices.
 {% endconfiguration_basic %}
 
+{% tip %}
+Only a single integration entry is supported. To modify the settings, you can use the reconfigure option from the integration entry.
+
+EUR is the base currency for market prices. If you choose another currency, you can find the conversion rate in the `Exchange rate` sensor.
+All prices are displayed as `[Currency]/kWh`.
+{% endtip %}
+
+## Data fetching and limitations
+
+Data is polled from the **Nord Pool** API on an hourly basis, exactly on the hour, to ensure the price sensors are displaying the correct price.
+
+If polling cannot happen because of no connectivity or a malfunctioning API, there is no retry; the next periodic update will try again.
+
 ## Sensors
 
-The integration will create entities showing today's energy prices for the configured market area. Only the base energy price is shown. VAT and other additional costs are not included. 
+The integration will create entities showing today's energy prices for the configured market area. Only the base energy price is shown. VAT and other additional costs are not included.
 
 ### Main sensors
 
@@ -82,11 +90,12 @@ The block price sensors are not enabled by default.
 
 ## Examples
 
-A template sensor to add VAT and fixed cost is useful to get the actual energy cost in the energy dashboard. 
+A template sensor to add VAT and fixed cost is useful to get the actual energy cost in the energy dashboard.
 
 ### UI Template
 
 Create a helper using the UI.
+
 1. Go to {% my integrations title="**Settings** > **Devices & Services**" %} and at the top, choose the **Helpers** tab.
 2. In the bottom right corner, select **Create helper**.
 3. Select **Template** and **Template a sensor**.
@@ -128,3 +137,7 @@ To use the Nordpool integration in the **Energy** dashboard, when configuring gr
 <p class='img'>
   <img src='/images/integrations/nordpool/nordpool_energy_dashboard.png' alt='Screenshot: Create template sensor'>
 </p>
+
+## Remove the integration
+
+{% include integrations/remove_device_service.md %}