Including real-time pricing of retail electricity in the design of a high-renewables system would “markedly” lower the system’s cost, researchers found, in an analysis for the island of Oahu, Hawaii. For continent-scale systems as well, they said the resulting demand-side flexibility is likely substantial.
An independent carbon plan for North Carolina would add storage instead of gas through 2030, and add 21 GW more solar and 22 GW more battery storage by 2050 than Duke Energy’s plan proposes.
As two regional grid operators have flagged a shortage of qualified engineers to conduct interconnection studies, pv magazine usa spoke with Kalyan Chilukuri, a vice president with Electric Power Engineers, about industry staffing challenges and measures that might help.
Net billing for rooftop solar, which incentivizes the use of battery storage to maximize solar self-consumption, is inefficient, researchers found, whereas incentivizing battery owners to discharge power during peak hours would provide greater value.
As several states will soon require smart inverters for new distributed resources, and more are considering such a requirement, nearly all manufacturers will be delivering smart inverters that meet a new industry standard by August 2023, finds an analysis by the Interstate Renewable Energy Council.
Energy efficient buildings, which are part of a least-cost strategy for 100% renewables, are being promoted through a $225 million program designed to accelerate adoption of the latest building energy codes by states and cities.
Connecticut would join five other states in enabling distributed storage, solar and other non-wires alternatives to compete with traditional distribution system capacity upgrades, under a program being finalized by Connecticut regulators.
Less curtailment of renewables and lower customer bills are some of the benefits expected from demand flexibility. The rulemaking follows a white paper last month proposing opt-in dynamic pricing in California.
In half the states, interconnection procedures for distributed energy resources do not yet mention energy storage. To help states remove that hurdle, and several others, the Interstate Renewable Energy Council is providing guidance on a detailed toolkit.
The data would help solar and storage providers to speed deployment, said Solar and Storage Industries Institute and the national solar trade group, SEIA.
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