The grid is not out of capacity. It’s out of capacity that anyone has priced.电网不是没有容量了，是没有人给现存的容量定过价。
Operating industrial plants across the US hold roughly 22 GW of interconnection headroom that is already built, already energized, already paid for — and invisible to every siting tool on the market, because finding it is a process-engineering problem, not a grid problem.全美在产工业场址持有约 22 GW 的并网余量，已经建成、已经通电、已经付过钱——而市场上所有选址工具都看不见它，因为找到它是一个流程工程问题，不是电网问题。
These plants already contain storage. It has just never been priced as storage.这些工厂内部已经含有储能。只是从来没有人把它当储能定价。
The intermediate tank farm at a chemical plant absorbs energy, holds it, and releases it. That is the definition of storage — and it was built and paid for decades before anyone needed grid flexibility. The same is true of a steam accumulator, a liquid oxygen tank, a scrap charge schedule.化工厂的中间罐区吸收能量、储存、再释放。这就是储能的定义——而且它在电网需要柔性之前几十年就建成并付清了。蒸汽蓄能器、液氧储罐、废钢装料排程，同理。
We are not looking for spare wires. We are looking for storage that was installed for another purpose, and pricing it. A battery then covers only the residual. In our reference case, co-optimizing a site with what it already contains cuts the battery energy required by 85 to 90 percent.我们找的不是空余的线路，是为别的目的建成、却从未被定价的储能。电池只覆盖残差。在我们的参考案例中，与站点已有资源做协同优化后，所需电池能量下降 85% 至 90%。
About 22 GW, and it does not show up in any dataset.约 22 GW，而且不出现在任何数据集里。
US manufacturing runs at 75.6% of capacity — 2.6 points below its long-run average. Large plants hold interconnection rights sized for a production peak they no longer reach: a third train never built, or a peak last hit five years ago. Netting out the electrical baseload that does not scale with output, the structural headroom at large manufacturing sites comes to roughly 22 GW (range 14–26).美国制造业产能利用率 75.6%，低于长期均值 2.6 个百分点。大型工厂持有的并网权益，是按它们如今再也达不到的生产峰值核定的：从未建成的三期产线，或五年前的最后一次峰值。扣除不随产量变化的固定电负荷后，大型制造业场址的结构性余量约为 22 GW（区间 14–26）。
It is structural, not seasonal. And it is uncontested — powered land has owners with investment banks, grid-side headroom is being mapped by firms working with utilities, but nobody is sourcing capacity from behind the meter of plants that never stopped operating.它是结构性的，不是季节性的。而且无人争夺——有电的土地背后有业主和投行，电网侧余量正被与电力公司合作的公司绘制，但没有人从从未停产的工厂表后发起容量。
Structural interconnection headroom at large US manufacturing sites. Range 14–26 GW.美国大型制造业场址的结构性并网余量。区间 14–26 GW。
One scalar derating factor is not an answer. We replaced it with five auditable line items.一个折减系数不是答案。我们把它拆成了五个可审计的分项。
Every releasable megawatt we report decomposes into five engineering sub-items, each with its own confidence interval, each traceable to plant data rather than to an assumption.我们报出的每一个可释放兆瓦，都分解为五个工程分项，各自带置信区间，各自可追溯到工厂数据而非假设。
The names and definitions of the five sub-items are pending from the engineering team. This block is the core argument of the page; it should not go live as a placeholder. See build.py → “capacity” section.五个分项的名称与定义待技术团队提供。此区块是本页的核心论证，不应以占位状态上线。见 build.py → capacity 段落。
Data requirements数据要求
- Historical point-of-interconnection data — 24 to 36 months历史并网点数据 24–36 个月
- Unit start/stop logs for major process equipment主要工艺设备启停日志
- Single-line diagram and interconnection agreement单线图与并网协议
Nothing else. No new metering, no site visit, no production disclosure.仅此而已。无需新增计量、无需现场踏勘、无需披露生产数据。
Site capacity profile站点可释放容量画像
- Releasable megawatts, five sub-items, with confidence intervals可释放兆瓦，五分项，含置信区间
- Availability profile across the year全年可用性画像
- Gap to firm: what co-optimization closes, what storage must cover距 firm 的差距：协同优化能补多少，储能需覆盖多少
- Host readiness assessment场址方意愿与就绪度评估
- Estimated time to a signed curtailment protocol达成签署停机测试协议的预计周期
Storage does not create capacity. It converts capacity that already exists into capacity that can be contracted.储能不创造容量。它把已经存在的容量，转换成可以签约的容量。
Headroom moves hour to hour. A data center needs power every hour. Without storage a developer can only contract the floor of the headroom — roughly 30% of it. With storage, 62%. With storage plus co-optimization against the plant’s own process schedule, 78%.余量逐小时变动，而数据中心每一小时都需要电。没有储能，开发商只能签下余量的下沿——约 30%。有储能，62%。储能加上与工厂自身工艺排程的协同优化，78%。
Same sites. Same wires. 2.6 times the contractible megawatts.同样的站点，同样的线路，可签约兆瓦数是 2.6 倍。
2.6x comes from storage plus co-optimization, raising the contractible share from 30% to 78%. The ~85% battery reduction comes from co-optimization alone, compressing battery energy at the same connected capacity.两个数字的归因必须分开，不得混用。
2.6 倍 ← 储能 + 协同优化（把可签约比例从 30% 提到 78%）。约 85% ← 协同优化（在同等接入容量下压缩电池能量）。
Bring us a target market.告诉我们一个目标市场。
We screen the operating industrial sites in it and come back with a ranked pipeline of releasable megawatts.我们筛查其中的在产工业场址，带回一条按可释放兆瓦排序的管线。
Where the same method goes next同一套方法的下一步适用范围
The model we use on a process unit describes a controllable quantity, a physical constraint that cannot be violated, and storage that is already present. Two other categories share that structure exactly, and we expect to underwrite them with the same engine.我们用在工艺装置上的模型，描述的是一个可控量、一个不可违反的物理约束，以及一个已经存在的储能。另外两个类别的结构与此完全相同，我们预期用同一套引擎承销它们。
Cogeneration. The US has around 82 GW of installed CHP at roughly 4,400 sites, already permitted for routine operation, and more than 40% of that installed capacity was not fully utilized — in some regions equal to 9% of the ISO’s peak demand. Its electrical output cannot be dispatched independently, because the back-pressure steam feeds the process. Changing generation means changing process heat. That is not a generation problem; it is the same electricity-and-process co-optimization problem, seen from the other side.热电联产。美国约有 82 GW 热电联产装机，分布在约 4,400 个站点，本就获准常规运行，而其中超过 40% 的已装容量未被充分利用——在部分区域相当于该 ISO 峰值需求的 9%。它的电出力无法独立调度，因为背压蒸汽供着工艺装置。改变发电就是改变工艺供热。这不是一个发电问题，它就是同一个电—工艺协同优化问题，只是从另一侧看。
Thermal inertia. Refrigerated warehouses draw 24.9 kWh per square foot per year against 6.1 for unrefrigerated space, with refrigeration accounting for 70–80% of that load. These sites carry hours of thermal storage in their product and building mass. Across cold storage, commercial refrigeration, food processing, water treatment and district cooling, that comes to roughly 17–27 GW of shiftable capacity.热惯性。冷藏仓库年耗电 24.9 千瓦时/平方英尺，而非冷藏仓库为 6.1，其中制冷占该负荷的 70–80%。这些站点在货物与建筑质量中携带数小时的热储能。冷链仓储、商业制冷、食品加工、水处理与区域供冷合计，约为 17–27 GW 可转移容量。
Together with process headroom, the three categories represent 55–95 GW of already-built, already-energized capacity. We are starting with the first, because it is the hardest — and because a model that can underwrite a cracking unit can underwrite a freezer, while the reverse is not true.与流程余量合计，三类共代表 55–95 GW 已建成、已通电的容量。我们从第一类开始，因为它最难——而且能承销一座裂解装置的模型可以承销一座冷库，反过来不成立。