Renewable Energy

Variable Renewable Energy Participation in U.S. Ancillary Services Markets: Economic Evaluation and Key Issues

As wind and solar energy become a larger share of electricity generation, there is growing interest in enabling these resources to provide reliability services to the grid through participation in ancillary services (AS) markets. Participation in AS markets could provide an additional source of revenue for resource owners to offset the declines in energy and capacity value that result from higher solar and wind penetration. It could also provide system operators with access to low-cost reliability services and a new tool for addressing emerging system constraints.

Utility-Scale Solar, 2021 Edition: Empirical Trends in Deployment, Technology, Cost, Performance, PPA Pricing, and Value in the United States

This webinar presents highlights from the newly released “Utility-Scale Solar, 2021 Edition” report. This report presents analysis of empirical plant-level data from the U.S. fleet of ground-mounted photovoltaic (PV), PV+battery, and concentrating solar-thermal power (CSP) plants with capacities exceeding 5 MW-AC.

Berkeley Lab’s latest “Utility-Scale Solar” report sees continued growth and falling costs for big solar

We are pleased to release the 2021 edition of Berkeley Lab’s Utility-Scale Solar report, which presents analysis of empirical project-level data from the U.S. fleet of ground-mounted photovoltaic (PV), PV+battery, and concentrating solar-thermal power (CSP) plants with capacities exceeding 5 MWAC.

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Project developer options to enhance the value of solar electricity as solar and storage penetrations increase

Increasing the penetration of photovoltaics (PV) reduces the marginal grid value of PV electricity, which potentially limits solar deployment and thus impedes the achievement of decarbonization goals. PV project developers can alter the design of plants in ways that preserve this value. Developers can make simple tilt and azimuth adjustments or incorporate more transformational changes such as vertical bifacial modules, provision of ancillary services, and addition of energy storage.

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Tracking the Sun 2021 Edition: Pricing and Design Trends for Distributed Photovoltaic Systems in the United States

This webinar summarizes key findings from the latest edition of Berkeley Lab’s “Tracking the Sun” annual report, describing pricing and design trends for grid-connected, distributed solar photovoltaic (PV) systems in the United States. The report provides an overview of both long-term and more-recent pricing trends, highlighting the widespread variability in system pricing and exploring underlying drivers for that variability.

Hybrid Power Plants: Status of Installed and Proposed Projects

Falling battery prices and the growth of variable renewable generation are driving a surge of interest in “hybrid” power plants that combine, for example, wind or solar generating capacity with co-located batteries. While most of the current interest involves pairing photovoltaic (PV) plants with batteries, other types of hybrid or co-located plants with wide-ranging configurations have been part of the U.S. electricity mix for decades.

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