en.Wedoany.com Reported - Greenalia, led by Manuel García Pardo, has decided to equip all its pending projects in Spain with battery energy storage systems to reduce weather dependency and stabilize revenue. This change has been formalized through four subsidiaries at the Commercial Registry of A Coruña (Registro Mercantil de A Coruña).
Santa Anna, Development, Guadame V, and Guadame I—four companies that are part of the group and have projects in the autonomous communities of Andalusia and Valencia—have now added the abbreviation BESS (Battery Energy Storage System) to their names. These plants will no longer directly transmit generated electricity but will store it and release it into the wholesale market when market prices are favorable.
The company's new plan categorizes these projects into solar photovoltaic and onshore wind. The photovoltaic projects will be equipped with 300 megawatts (MW) of storage capacity, equivalent to 1.2 gigawatt-hours (GWh); the wind complex has a total capacity of 407 MW with the same storage duration.
These facilities will provide an additional 1.6 GWh, bringing the total storage capacity in the company's project portfolio to 2.8 GWh. This scale is equivalent to 11.5% of Galicia's daily wind power generation, which, according to Red Eléctrica de España, stands at 24.7 GWh per day.
Integrating lithium battery warehouses will significantly enhance the commercial resilience of renewable energy plants. Company sources stated that these systems can capture better prices in the wholesale market, reducing economic losses caused by zero-price or negative-price periods.
Greenalia has applied for a "demand-side hybrid generation" (hibridación con demanda) mechanism for its projects under development, which allows the company to achieve 24/7 power supply regardless of wind or sun availability.
The storage systems will purchase electricity directly from the grid when the market is oversupplied and prices plummet, then sell this power to the transmission system during periods of surging demand and high electricity prices.
This parallel operation can continuously generate positive cash flow, solely by exploiting price spreads in Spain's regulated market. The systems act as buyers during off-peak hours and as strategic suppliers during daily consumption peaks, maximizing total profitability per megawatt-hour (MWh).
Greenalia's management has requested the unfreezing of its wind power investment plans in Galicia, which have been stalled for four years due to industry litigation. The Supreme Court of Spain (Tribunal Supremo) issued a favorable ruling, confirming the development procedures for the Bustelo wind farm (located between Coristanco and Caballo), a project with a budget of €45 million.
This ruling is the company's second favorable decision following last year's judgment on the Campelo wind farm (located between Coristanco and Santa Comba), which involved an investment of €40 million.
Restarting these onshore wind farms is crucial for executing committed funds and initiating physical construction. Lifting the temporary injunction will allow the application of planned hybrid generation technology improvements, thereby consolidating battery storage infrastructure in the autonomous community's project portfolio.
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