Smart renewable hubs: Multi-hybridization to achieve high RE penetration in a grid-friendly manner

PV and Wind energy have led the development and installation of Renewable Energy (RE) technologies worldwide, already reaching economic competitiveness against traditional fossil-fueled power plants in certain markets. However, Variable Renewable Energy or VRE is hard to control, requiring backup te...

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Main Authors: Servert, Jorge, Cerrajero, Eduardo, Comas, Francisco J., Rocha, Alberto R., Estebaranz, José M., Durán, Rubén, Stavropoulou, Eirini, Kourasi, Maria, Markopoulos, Petros, Dimeas, Aris, Vaiani, Andrea
Format: Conference Proceeding
Language:English
Subjects:
Automatic control
Batteries
Control stability
Dependence
Dynamic control
Electricity pricing
Energy costs
Gas turbine engines
Hubs
Markets
Operating costs
Penetration
Photovoltaic cells
Power plants
Renewable energy
Renewable resources
Solar cells
Wind power
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Summary:PV and Wind energy have led the development and installation of Renewable Energy (RE) technologies worldwide, already reaching economic competitiveness against traditional fossil-fueled power plants in certain markets. However, Variable Renewable Energy or VRE is hard to control, requiring backup technologies to guarantee grid stability. The long-term target of decarbonizing the electric sector will therefore require additional flexibility and dispatchability from VRE generation. Weak and/or isolated grids, such as islands, are already dealing with these VRE limitations, with the additional burden of energy dependency leading to high electricity costs. GRIDSOL project presents a novel approach to increase RE penetration in these markets: Smart Renewable Hubs (SRH), where hybrid synchronous generators are integrated with VRE under a dynamic control system (DOME), self-regulating and providing ancillary grid services thanks to firm, flexible and mostly renewable generation on a single output, tailored to a specific location to maximize cost-effectiveness with no additional reserve required. A preliminary assessment of a Smart Renewable Hub (“HYSOL” (CSP+GT), PV and batteries) implementation is presented and compared with competing alternatives (gas turbine in open (OCGT) or combined (CCGT) cycle, PV and batteries) in an isolated grid (an island in the Mediterranean Sea), showing how GRIDSOL would reduce the overall operating cost in a high-RE scenario.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.5067182