Photo by Huy Thoai, Dreamstime
Huy Thoai Dreamstime

Solargis to Measure Renewable Resource for Vietnam Grid Operator

March 16, 2021
Vietnamese grid operator, NLDC, contracts Solargis to provide forecasting data for over 7GW of solar and wind capacity

The National Load Dispatch Centre of Vietnam chose solar power data and software architect Solargis to supply production forecasting data that will support the integration of large volumes of renewable energy into the national grid.

The contract with NLDC — a subsidiary of state-owned utility Electricity Vietnam — will see Solargis weather data used to evaluate and forecast production over 140 solar power plants and 40 wind plants in Vietnam, with a combined generation capacity of around 7.3 GW.

As Vietnam brings new renewables capacity online to meet ambitious growth targets, accurate production forecasting plays a critical role in smooth grid integration. In particular, managing challenges relating to intermittency of supply, such as power congestion, grid overload and frequency oscillation will be essential for accommodating new solar and wind projects and realizing the full potential of Vietnam’s renewable energy investment.

To meet this need, NLDC, which is responsible for performing load dispatching, power market trading and other vital electricity activities throughout Vietnam, has chosen to integrate Solargis data into its systems. Solargis’ forecasting services will help NLDC to accurately predict the power output of installed wind and solar plants, based on high-resolution meteorological and solar radiation data.

This will increase NLDC’s responsiveness to resource fluctuations and improve the overall reliability of the transmission system. In turn, the contract will enable NLDC to set a new benchmark for effective grid operation in Vietnam and throughout Southeast Asia.

By leveraging aggregated historical data from across the whole country, the agreement represents a wider shift towards improved forecasting accuracy in Vietnam. It will also lead to power estimations that are accurate for neighboring countries with similar climate and physical conditions, bringing with it a step-change for the wider region.

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