The energy transition is waiting for a grid

A power plant can have a buyer, a site and equipment on order and still lack the thing that makes it useful: permission and physical capacity to deliver electricity into the network. The queue is where the energy transition’s abstract ambitions become a series of engineering studies, upgrade estimates and commercial decisions. It is tempting to read that queue as a list of power stations waiting for a cable. That interpretation is too simple.

The latest Berkeley Lab queue analysis, published in May 2026 and covering the end of 2025, makes the distinction important. Its US dataset includes transmission-connected generation and storage requests, not load requests or the whole distributed-energy system. About 8,200 active projects represented 1,312 gigawatts of generation and roughly 749 gigawatts of storage. These are proposed capacities in a process, not an electricity forecast.

The report also records a decline in total active queue volume from the previous year. A smaller queue does not automatically mean a faster transition: projects can leave because they were connected, because they were withdrawn or because their economics changed. In the historical cohort the researchers track, most proposed capacity did not reach operation. The queue is a record of intentions tested against constraints.

Our argument is that the transition needs a sequence of responses, not a competition between one grand solution and another. Build necessary networks. Make existing networks more useful. Improve how projects enter and progress through the process. Each changes a different part of the problem, and none makes the other two disappear.

A queue is not a pile of stranded electricity

The first mistake is to treat gigawatts as if they were a quantity of electricity already produced. They describe power capacity. A solar plant, battery and gas turbine with the same nameplate capacity do not produce the same annual energy or behave alike in a constrained hour. Batteries also need to charge. Adding their capacities into one headline says little about the operating pattern that a network must accommodate.

The second mistake is to assume all applications are equally mature. Developers may investigate alternative sites or configurations. Commercial plans change as studies reveal the cost of upgrades. A project’s withdrawal can be a rational response to new information rather than evidence of administrative failure. Conversely, a project with a signed connection agreement can still face equipment, financing or construction problems. Progress through the queue is necessary evidence, not a guarantee of completion.

This creates a measurement challenge. Track the time and cost of reaching each milestone, the reasons for withdrawal, the size of required upgrades and the subsequent date of commercial operation. A system that processes more paperwork without connecting viable projects has improved throughput in one office. A system that clears weak applications may look worse on a completion ratio while making the remaining queue more credible.

There is no universally correct queue length. A healthy pipeline needs proposals that can compete and adapt. The aim is to reduce avoidable uncertainty and allocate scarce engineering and network resources sensibly. That is harder than announcing that every application deserves immediate connection, but it is closer to the public interest.

Start with the physical network. Lines have operating limits; transformers and substations have their own constraints. Voltage, stability and the ability to withstand credible failures matter alongside the capacity of an individual conductor. A line on a map is therefore not a pipe with a single permanent spare volume that every new project can claim independently.

The US Department of Energy’s overview of grid-enhancing technologies describes tools that can make better use of existing assets. Dynamic ratings respond to actual conditions rather than relying only on a fixed assumption. Power-flow control can help redirect flows. Monitoring improves the information available to operators. These are specific interventions with specific prerequisites, not a software upgrade that makes every network limitation vanish.

There is an institutional constraint as well. Operators need validated information, procedures and incentives to use new capabilities. A sensor that reports additional thermal headroom is useful only if the relevant operating decision can safely incorporate it. Equipment availability, communications quality and contingency planning remain part of the system. Buying the device and changing the usable network are different achievements.

Then there is the commercial constraint. Some projects can accept limited output at certain times in exchange for earlier connection. Others may depend on selling during precisely the hours when the network is constrained. A technically feasible non-firm connection can be commercially unsuitable. Calling that developer inflexible does not answer the financing question.

Swipe or scroll to explore the diagram.

Three distinct routes to usable connections: physical expansion, better network operation, and credible project progression. The diagram is conceptual; benefits cannot be added without a network-specific study.

Read the footnote before comparing the big numbers

The International Energy Agency’s Electricity 2026 grids chapter estimates that a combination of regulatory and technical measures could unlock hosting capacity for 1,200–1,600 gigawatts of advanced-stage queued projects globally. Much of that potential involves conditional, non-firm arrangements. The figure is an estimate of possible connections under assumptions, not capacity already connected or a promise of firm delivery at every hour.

The IEA’s later Modernising Grids report examines a more particular group of network technologies and estimates up to 330 gigawatts of additional connections without reinforcement. The two headlines should not be read as competing measurements of the same intervention. They have different scopes. Nor can the figures simply be added to produce a bigger opportunity: several measures can relieve the same binding constraint.

This is a recurring problem in infrastructure debate. A large aggregate potential is used as if it were a project-specific engineering result. The useful next question is where the constraint sits and which measure can relieve it under credible operating conditions. The answer may be dynamic ratings on one corridor, a substation upgrade elsewhere, a different connection arrangement for a battery, and entirely new transmission in another region.

A similar caution applies to time. A technology that can be installed quickly may still need procurement, system integration and regulatory treatment. A measure that buys several years of breathing room can be extremely valuable without becoming a permanent substitute for reinforcement. Interim value is real value when it is described honestly.

The paperwork is part of the infrastructure

US interconnection reform illustrates the attempt to make applications more credible and studies more efficient. FERC’s Order 2023 fact sheet describes a first-ready, first-served cluster-study approach and requirements such as deposits and site control. Grouping projects can account for their combined effects rather than treating each proposal as an isolated addition.

Readiness requirements have a rationale: a queue filled with speculative applications consumes study resources and can complicate decisions for projects prepared to proceed. They also create a distributional question. Larger deposits and earlier commitments may be easier for well-capitalized developers than smaller ones. A reform can improve credibility while changing who can participate. Both outcomes deserve observation.

Cluster studies bring their own dependencies. If participants withdraw or change design, others can face revised assumptions and costs. The right evaluation therefore follows successive project cohorts, not a single average waiting time immediately after a rule changes. Berkeley Lab’s 2026 analysis explicitly says it is too early to assess the full effect of the reforms being implemented. Declaring victory or failure now would run ahead of that evidence.

Transparency is valuable because developers and communities are making decisions long before construction. Knowing what a study includes, what information is missing and why an estimate changed can reduce avoidable uncertainty. Transparency cannot remove an expensive upgrade. It can make it harder for an uncertain process to masquerade as an unexplained bill.

What should be funded first?

Imagine a region with three options: improve observation and operation on an existing corridor, reinforce a bottleneck substation, or build a new route. The cheapest initial expenditure is not necessarily the lowest-cost solution over time. A narrow upgrade might unlock valuable near-term projects but leave future demand stranded. A new route might create broad benefits but arrive after an urgent local need. Choosing requires a portfolio and a timetable.

The DOE’s resource-adequacy report discusses reconductoring and grid-enhancing technologies among near-term options. Reusing an existing corridor can avoid some difficulties of finding a new route, but suitability depends on the structures and wider system. A conductor replacement does not automatically remove a transformer constraint or solve a stability problem.

A useful investment brief would specify the service being bought: additional firm transfer, faster conditional connections, greater resilience or fewer costly interruptions. It would disclose the operating conditions under which the benefit appears, the expected life of the intervention and the next reinforcement it complements. This allows an interim measure to be judged as an interim measure rather than marketed as a complete transition plan.

Consumers belong in that brief. Network costs are recovered somewhere, and avoiding every possible moment of congestion can require expensive assets used only occasionally. Some constraint can be economically sensible. The question is whether the resulting balance of cost, reliability and access is justified and openly allocated, not whether the system can claim that curtailment has reached zero.

Local consent also matters. The need for electricity infrastructure does not make every route or design equally defensible. Environmental impacts, land use and community disruption deserve genuine consideration. Better use of existing infrastructure can reduce some new-build pressure, but it should not become an excuse to defer unavoidable choices until emergencies narrow the options.

Consider, too, the difference between a connection and its wider usefulness. A generator may connect at a location where output is frequently constrained, while a network upgrade elsewhere could improve access for several users at once. Comparing isolated project costs can miss that shared benefit. Planning needs to make visible which costs are local, which arise across the network, and who benefits from the resulting capability. Otherwise, the project nearest a constraint can appear to have caused a problem that actually reflects a wider planning gap.

The reverse mistake is to assume that every proposed upgrade is justified because several projects might use it. Demand and development plans can change. A credible assessment should test alternative futures, disclose the consequences of lower uptake, and identify options that preserve value under more than one scenario. Modularity and staged construction can sometimes help; in other cases they can delay an investment whose benefits require the whole route. Those choices require engineering and economic evidence rather than a universal preference for small or large projects.

This is why the public conversation should separate urgency from certainty. The need to act quickly can justify better coordination and earlier planning. It does not make an uncertain forecast exact. Transparent assumptions allow a decision to be revised when conditions change without pretending that the original evidence promised a single inevitable future.

The queue is the visible symptom of several systems moving at different speeds: project development, network engineering, finance, regulation and public decision-making. A credible transition plan must synchronize enough of them to produce electricity that can actually be delivered. More generation proposals alone cannot do that. Neither can a promise that clever operation will abolish the need for wires.

What would progress look like in the next public update? Fewer avoidable restudies, clearer withdrawal reasons, credible milestones, targeted upgrades in service and viable projects reaching operation. The most useful headline may be smaller than the largest potential-capacity estimate. It will describe a connection that exists and a system capable of repeating it.