By excluding storage from its resource plan, the Virginia utility also excluded solar + storage, proposing up to 3.2 GW of gas-fired peaking units instead. Separately, a solar association and the utility agreed that modeling should use a solar capacity factor higher than the 23% value specified by regulators.
Democratic Presidential Candidate Jay Inslee has called for 100% “clean, renewable and zero-emission” electricity by 2035. Solar could meet half that total if installed capacity increased at a compound annual growth rate of 19 percent.
A Georgia solar association and a citizen’s group have brought analyses showing a much greater cost-saving solar potential in Georgia than the meager 1 GW that Georgia Power proposed in its 20-year resource plan.
Solar plus storage can deliver, at lower cost, the same generation profile as “mid-merit” gas generating units in a number of cases studied, per an analysis published by Fluence.
A “virtual power plant” can aggregate distributed solar and storage to help balance supply and demand, and provide grid services. Nearly half of the utility executives interviewed by Deloitte said their firm is considering such a solution, also known by the acronym DERM system, or DERMS.
Last year’s 1% growth in global PV additions is a sharp drop from increases in prior years, and a long way from the 15-29% annual increases that a Science journal article maintained were “challenging but feasible” through 2030. Continued progress on five major challenges can get us back on track.
The bill would create a task force to recommend replacement revenue sources by June 7. Transmission lines serving the Arizona coal plant could support gigawatts of solar or solar-plus-storage.
Clean energy groups have begun challenging the results of utility planning models by running their own models, which show that adding more solar will lower customer bills. Two groups in North Carolina are among the pioneers in this work, opening a new front in the contest over solar deployment.
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