Compare the equipment and infrastructure behind electricity delivery. Power Grid Stocks are U.S.-listed suppliers of electrical equipment, grid construction, generation equipment, and data-center power infrastructure. This page ranks 6 of them by market capitalization. Together they are worth about $567.44B, roughly 0.58% of tracked market cap on MarketCapLens. Figures update daily; as of November 12, 2026.
+673.45%
5 of 6 names, Nov 2021–Nov 2026. Young listings are omitted from this aggregate, not from current combined cap.
Scroll sideways for more metrics. Company names stay visible.
| GE Vernova Inc.GEV | $213.92B | 37.70% | $808.24 | +1.41% | +40.30% | |||
| Eaton Corporation plcETN | $140.1B | 24.69% | $360.62 | +1.81% | -1.98% | +112.23% | +106.75% | |
| Quanta Services, Inc.PWR | $91.6B | 16.14% | $607.94 | +4.25% | +35.43% | +421.66% | +449.63% | |
| Vertiv Holdings CoVRT | $79.52B | 14.01% | $206.51 | +6.33% | +15.34% | +673.45% | +709.77% | |
| Hubbell IncorporatedHUBB | $23.43B | 4.13% | $443.48 | +1.30% | -1.48% | +113.25% | +107.37% | |
| nVent Electric plcNVT | $18.86B | 3.32% | $116.71 | +3.76% | +6.52% | +217.29% | +205.94% |
Click a column to sort. Returns are share-price changes (excluding dividends); 5-year cap growth is the change in market capitalization over the period. % of group is each company's share of this list's combined market cap. As of November 12, 2026.
Business roles explain membership; companies can span several businesses.
The group’s combined market capitalization over time, stacked by company so you can see each member’s contribution to the total.
Monthly history for 6 of 6 companies · Nov 2021–Nov 2026.
Companies enter the chart when their available market-cap history begins. New listings and spin-offs can change the total alongside changes in existing companies’ market caps.
Each line shows the share-price change since April 2024, excluding dividends. 0% means no change; +100% means the price doubled, and +200% means it tripled. This is a common comparison window based on the available history of eligible members.
Chart coverage: 6 of 6 companies · Apr 2024–Nov 2026.
All lines use the same starting date. Five-year return columns still require five years of history.
We select U.S.-listed suppliers with substantial businesses in electrical equipment, grid construction, power generation equipment, or data-center power infrastructure. This is a supplier and infrastructure comparison, not a ranking of electric utilities. Vertiv is included for power and related data-center infrastructure; GE Vernova includes generation, wind, and electrification activities. Full company market caps include other operations, and only members present in the current ranking appear. Price and market-cap history before the documented public listing of the current business is excluded.
Business and membership references:
Equipment orders, construction work, and infrastructure services have different economics from selling electricity. This list keeps those supplier roles visible.
Grid replacement, industrial projects, generation investment, and data centers can all affect the businesses. Data-center revenue is only part of some companies’ operations.
Project timing, supply chains, financing, and customer capital budgets can change results. A growing need for electricity does not guarantee any company’s future returns.
Power Grid Stocks are U.S.-listed suppliers of electrical equipment, grid construction, generation equipment, and data-center power infrastructure. This page tracks GE Vernova Inc., Eaton Corporation plc, Quanta Services, Inc., Vertiv Holdings Co, Hubbell Incorporated, and nVent Electric plc. Together they are worth about $567.44B, roughly 0.6% of tracked market cap on this site.
The list covers GE Vernova Inc. (GEV), Eaton Corporation plc (ETN), Quanta Services, Inc. (PWR), Vertiv Holdings Co (VRT), Hubbell Incorporated (HUBB), and nVent Electric plc (NVT).
As of 2026-11-12, they have a combined market capitalization of about $567.44B — around 0.6% of tracked market cap here.
Led by GE Vernova Inc. (GEV). Informational only; not investment advice. See our disclaimer.
Over the past five years, Vertiv Holdings Co (VRT) has the largest share-price return on this list, about +673.45%. That is a dated price path, not a pick.
It uses 5 of 6 names present from Nov 2021 to Nov 2026. Newer listings stay in current combined cap and the stacked chart but are omitted from that aggregate.
No. This comparison focuses on equipment, construction, and infrastructure suppliers. Electricity producers and nuclear operators have a separate Nuclear Energy page or appear in the broader Utilities ranking.
No. It values the entire company, including businesses unrelated to AI. The role labels explain why a company is included without assigning a fictional data-center-only valuation.