72 Hours Solar Power Forecast
Sheffield Solar worked with the National Grid for two years to develop real-time generation estimates from solar photovoltaic systems in the UK. This new data driven system can now forecast up to 72 hours in advance.
The tool is very useful for electricity grid operators. It helps them to stabilize the grid (supply & demand). Energy generators and traders can use the forecast tool taken optimum advantages of the green energy generation.
Solar impacts the balance of supply as it cannot be directly controlled. National Grid is calling on industrial, commercial and public-sector sites to participate in its Demand Turn-Up (DTU) service, which pays firms to increase energy demand at times when the country’s wind and solar resources are producing more energy than the system can cope with.
Power Forecast saves money
Currently, uncertainty in forecasting solar increases the reliance for standby generators to provide additional reserve capacity, which adds a cost to managing the grid. If accurate forecasts can be issued ahead of time, the National grid and bill payers can cut these costs by reducing the amount of reserve from the generators.
The new service allows energy managers to plan ahead in deciding which generators are required throughout the day. The tool combines weather forecast data and data from live systems to forecast over a three-day period.
The tool is currently being trialled on the Solar Sheffield website, with automatic updates refreshed every 300 seconds. The group hopes to provide regional forecasts before establishing forecasts for individual systems across the UK.
While the forecasting system is in its infancy, businesses and energy generators can turn to storage to overcome intermittent generation. Earlier this month, the Government revealed that householders installing a storage system to integrate with a newly-purchased solar systems have will receive a reduced VAT of 5%.
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