19 August 2026
US sustainable funds returned to positive territory in the second quarter of 2026, but the numbers reveal a more specific story: investors are not broadly returning to ESG. They are putting their money behind the infrastructure needed to power AI, electrification and the next generation of energy systems. For years, sustainable investing was built around a simple promise. Put capital behind companies that could help address environmental and social challenges and investors could potentially participate in the transition to a more sustainable economy.
That promise is now being tested by a more demanding market. The latest US fund-flow figures suggest that sustainable investing may finally be emerging from one of its longest periods of weakness. But the recovery is not as broad as the headline numbers suggest. In fact, much of the apparent rebound can be traced to one very specific investment theme – electricity infrastructure.
According to Morningstar, US sustainable funds attracted nearly $3 billion in net inflows during the second quarter of 2026, ending 14 consecutive quarters of withdrawals. Assets rose from $351 billion at the end of March to almost $398 billion by the end of June. Yet the increase in assets was driven substantially by market appreciation rather than fresh investor money. More revealing is where the new money went.
The First Trust Nasdaq Clean Edge Smart Grid Infrastructure ETF, known by its ticker GRID, attracted approximately $3.1 billion during the quarter. That means a single smart-grid fund collected more money than the entire US sustainable-fund category gained on a net basis. That is not a small detail. It changes the story. The sustainable investment market may not be experiencing a broad ESG comeback. Instead, investors appear to be becoming much more selective about where sustainability intersects with hard commercial demand. And right now, few themes have a stronger commercial argument than electricity infrastructure.
The headline says recovery. The numbers say concentration.
The second quarter was certainly better than what came before it. US sustainable funds lost around $4.3 billion in the first quarter of 2026. The nearly $3 billion raised in Q2 therefore did not fully erase the losses from the opening three months. The category remained approximately $1.3 billion in the red for the first half of the year. The distinction matters because it prevents a single positive quarter from being mistaken for a complete reversal of investor sentiment.
| US sustainable fund market | Q1 2026 | Q2 2026 | What it tells us |
| Net sustainable-fund flows | -$4.3bn | Nearly +$3bn | Q2 ended the long outflow streak |
| Passive sustainable flows | +$3.0bn | +$6.5bn | Investor demand increasingly favours index-based strategies |
| Active sustainable flows | -$7.3bn | -$3.6bn | Active strategies remain under pressure |
| Sustainable-fund assets | $351bn | $398bn | Market gains contributed significantly to asset growth |
| GRID flows | +$2.1bn | +$3.1bn | Grid infrastructure became the standout theme |
Source: Morningstar Direct, as reported by Morningstar. Q2 data as of June 30, 2026.
The active versus passive split is particularly important. Passive sustainable funds attracted $6.5 billion in Q2 while actively managed sustainable funds lost $3.6 billion. Passive assets rose from $167 billion to almost $199 billion, putting them close to half of the total US sustainable-fund asset base. The message from investors is becoming difficult to ignore. They want sustainability exposure, but increasingly through strategies where the investment thesis is clear, transparent and connected to a visible economic trend. The grid happens to sit directly in the middle of several of those trends.
Why electricity infrastructure suddenly matters so much
The global economy is entering what the International Energy Agency describes as an increasingly electricity-driven period. The demand story is no longer limited to households switching appliances or governments adding renewable generation. Electricity is becoming a critical input for artificial intelligence, data centres, advanced manufacturing, electric vehicles, cooling and increasingly digital economies. The IEA expects global electricity demand to grow by 3.6% in 2026 and another 3.8% in 2027, compared with around 3% growth in 2025.
That creates a less glamorous but increasingly valuable question: where will all that electricity actually flow? The answer requires much more than power plants. It requires transmission lines, substations, transformers, switchgear, cables, control systems, storage, monitoring equipment, engineering services and digital infrastructure capable of balancing supply and demand.
This is where GRID has found its opportunity. The ETF tracks the Nasdaq Clean Edge Smart Grid Infrastructure Index and invests in companies involved in electricity networks, power equipment, energy management, grid hardware and related technologies. Its largest holdings include Eaton, Schneider Electric, Johnson Controls, Quanta Services and ABB. These are not businesses built around a single clean-energy technology. They are companies providing the physical systems that allow electricity to be generated, transmitted, distributed and controlled. That difference is crucial.
The earlier generation of clean-energy investing often depended heavily on the success of individual technologies such as solar panels, wind turbines, batteries or hydrogen. Grid infrastructure is different because almost every energy pathway needs it.
- Solar needs transmission.
- Wind needs transmission.
- Battery storage needs grid connections.
- Data centres need reliable power.
- Factories need substations and electrical equipment.
- Electric vehicles increase electricity demand.
- Even conventional power generation ultimately needs a network.
The grid is therefore less about choosing which energy technology will win and more about recognising that electricity demand is rising regardless of which technologies dominate.
The GRID portfolio tells the story
The composition of the ETF makes the investment thesis particularly clear. Its five largest holdings accounted for more than 42% of the portfolio, with the top ten representing almost 60%.
| Major GRID holding | Approx. portfolio weight | Why it matters |
| Eaton | 9.21% | Power management and electrical equipment |
| Schneider Electric | 8.98% | Energy management and automation |
| Johnson Controls | 8.41% | Building systems and energy controls |
| Quanta Services | 8.05% | Transmission, substations and grid construction |
| ABB | 7.83% | Electrification and industrial automation |
| E.ON | 4.34% | Electricity distribution networks |
| National Grid | 4.18% | Transmission and distribution infrastructure |
| Prysmian | 3.39% | Power cables and grid connections |
| nVent Electric | 2.84% | Electrical protection and connection systems |
| Hubbell | 2.50% | Utility and electrical infrastructure equipment |
Portfolio figures based on the supplied Q2 2026 analysis and fund data. The concentration shows what investors are actually buying.
They are not simply buying an ESG label. They are buying exposure to companies that stand to benefit from utility capital expenditure, data-centre expansion, industrial electrification and the replacement of ageing electrical infrastructure. That is a much easier story for investors to quantify. A utility has to expand its network. A data centre has to connect to the grid. A factory has to secure reliable electricity. A renewable project has to move power to customers. Each of these activities requires equipment and engineering. And that is where the commercial case for sustainable investment becomes much more tangible.
AI is becoming an electricity story
Artificial intelligence has become one of the most powerful forces behind the new grid investment narrative. The rapid expansion of data centres is creating an unusual problem for energy planners. The challenge is not simply generating enough electricity. It is delivering large volumes of reliable power to the right locations quickly enough.
The IEA has highlighted data centres as one of the major structural drivers of electricity demand growth. Its 2026 analysis points to data-centre expansion alongside industry, electric vehicles and cooling as important contributors to the rising demand for power. In the United States, Lawrence Berkeley National Laboratory has estimated that data centres could account for around 11.8% of electricity consumption by 2030 under its reference case.
This creates an infrastructure bottleneck. A new data centre can be constructed relatively quickly compared with the time required to build major transmission infrastructure. The result is a growing gap between the speed at which electricity demand can emerge and the speed at which networks can be upgraded. That gap has become an investment opportunity. The GRID thesis is therefore not really about AI itself. It is about the infrastructure that AI is forcing the energy system to build. That distinction is worth remembering because technology trends can change quickly. Physical infrastructure tends to have a much longer investment cycle.
The bottleneck is not generation alone
One of the most important points in the current energy transition is that adding generation capacity does not automatically solve an electricity shortage. Power still needs to reach the customer. In the US, thousands of generation and storage projects have been waiting to connect to electricity networks. The supplied analysis cites around 8,200 projects in interconnection queues at the end of 2025, representing approximately 1,312 GW of proposed generation and 749 GW of storage.
Only a fraction of the capacity that entered interconnection queues between 2000 and 2020 had reached commercial operation by the end of 2025. This is a physical infrastructure problem, not simply an ESG reporting problem. It means the energy transition increasingly depends on the ability of utilities, governments and private companies to expand the network itself. The investment implications are substantial.
- More cables.
- More transformers.
- More substations.
- More grid controls.
- More storage.
- More digital monitoring.
- More engineering capacity.
- More investment in resilience.
The grid is becoming the bridge between the energy system that exists today and the electricity-intensive economy being built for tomorrow.
The UAE is already investing in this future
This is where the story becomes particularly relevant to the Gulf. The UAE has spent years positioning itself not simply as a major energy producer but as a country investing in the infrastructure of the next energy system. In January 2026, the UAE Ministry of Energy and Infrastructure said national investments in the renewable and clean-energy sector had exceeded AED 190 billion. The country is targeting more than 23 GW of renewable-energy capacity by 2031 and has raised its target for electricity generation from clean sources to 35% by 2031.
These numbers matter because they demonstrate that the UAE’s energy transition is being approached as an infrastructure programme as much as an environmental one. Dubai provides an even more direct example. Dubai Electricity and Water Authority is investing AED 7 billion in its Smart Grid Strategy through 2035. The programme is designed to improve electricity transmission and distribution, optimise load management, reduce losses and use digital technologies to improve reliability.
DEWA’s 2025 results provide another indication of the scale of the challenge. Electricity demand in Dubai increased by 5.11% during 2025, while peak electricity usage rose 5.8% to 11,391 MW. DEWA invested AED 11.8 billion during the year, with significant spending directed towards renewable projects and transmission and distribution networks.
| UAE energy and grid indicators | Latest reported figure |
| UAE clean-energy and renewable-sector investment | More than AED 190bn |
| UAE renewable capacity target by 2031 | More than 23GW |
| UAE clean electricity generation target by 2031 | 35% |
| DEWA Smart Grid investment through 2035 | AED 7bn |
| Dubai electricity demand growth in 2025 | 5.11% |
| Dubai 2025 peak electricity demand | 11,391MW |
| DEWA 2025 investment | AED 11.8bn |
| Dubai electricity transmission and distribution losses | 2% |
| DEWA customer minutes lost annually | 0.82 minutes |
Sources: UAE Ministry of Energy and Infrastructure and Dubai Electricity and Water Authority.
For the UAE, the grid is not an abstract sustainability concept. It is directly connected to economic growth. Dubai’s expanding digital economy, data-centre ambitions, commercial development, industrial activity, cooling requirements and electrification all place additional demands on the electricity system. At the same time, the UAE is adding renewable generation and pursuing long-term net-zero objectives. That creates the same infrastructure equation visible in the US and other major markets: more electricity demand plus a more diversified supply mix requires a smarter and more flexible grid.
From smart grids to intelligent grids
The next stage may be even more interesting. A modern electricity network is no longer simply a collection of wires and substations. It is becoming a digital system capable of sensing demand, predicting failures, managing distributed energy resources and responding to changes in real time. DEWA says its smart-grid programme includes artificial intelligence and advanced digital technologies for risk prediction, response management and service continuity. The utility has also reported more than 2.2 million smart meters supporting real-time consumption monitoring and analysis. This is where the relationship between sustainability and technology becomes increasingly difficult to separate. A smarter grid can accommodate more variable renewable generation. It can manage electricity demand more efficiently.
- It can help integrate batteries and distributed energy resources.
- It can reduce losses.
- It can improve reliability.
- And it can potentially allow utilities to respond faster when demand changes unexpectedly.
The result is an energy transition that is becoming less about simply replacing one source of electricity with another and more about rebuilding the architecture of the electricity system.
Environmental investment is becoming more specific
There is another important signal in the global fund data. Morningstar estimates that global sustainable funds attracted approximately $3.7 billion in net inflows during Q2 2026. Europe remained the largest regional market, while passive sustainable strategies attracted substantially more capital than active strategies globally. At the same time, the US experience shows a clear divide between broad ESG products and more targeted environmental themes.
The Investment Company Institute data cited in the supplied analysis also points towards this divergence, with environmental funds attracting new money while broader ESG funds recorded net redemptions. The terminology may be changing, but the investment question is becoming more straightforward: Can sustainability create or participate in a measurable economic opportunity?
Grid infrastructure has a compelling answer.
- There is demand.
- There are customers.
- There are infrastructure shortages.
- There are government investment programmes.
- There are ageing assets that require replacement.
- And there is a growing requirement for more electricity.
That is a different proposition from asking investors to place capital behind a broad collection of companies simply because they score well on an ESG framework.
The end of ESG investing or the beginning of something more practical?
It would be too early to declare that ESG investing is back. The data does not support such a sweeping conclusion. The US sustainable-fund market remains heavily concentrated, active strategies are still losing money and fund launches remain subdued. Morningstar’s Q2 figures show that the recovery was driven by a relatively small group of passive strategies rather than a broad return of investor enthusiasm across the category.
But it would also be wrong to conclude that investors have abandoned sustainability altogether. The evidence suggests something more nuanced. Investors may be moving away from sustainability as a broad investment identity and towards sustainability as an economic infrastructure theme. That means the next phase of sustainable investing could look very different from the previous one. Instead of asking whether a company is simply “green”, investors may ask:
- Who needs its product?
- What infrastructure shortage does it address?
- How much capital is being committed to that infrastructure?
- Is demand growing?
- Can the revenue opportunity be measured?
- And does the company have the capacity to benefit?
These questions are far more commercial than the language traditionally associated with ESG. They may also be more resilient.
What this means for the next phase of sustainable capital
The GRID story offers an important lesson for investors, fund managers and policymakers. The market does not appear to be rejecting the energy transition. It is becoming more selective about how it pays for it. Grid infrastructure is benefiting because it sits at the intersection of several long-term trends. AI is increasing electricity demand. Renewable energy is changing the generation mix. Electric vehicles are adding new loads. Industrial activity is becoming more electrified. Governments are investing in resilience. Utilities are upgrading ageing networks.
All of these trends point towards one common requirement – a stronger electricity system. The UAE is already demonstrating what that looks like in practice. From DEWA’s AED 7 billion smart-grid programme to the country’s more than AED 190 billion clean-energy investment pipeline, the region is building an energy system in which reliability, digitalisation, renewable generation and economic growth increasingly have to work together. That makes the grid more than a piece of energy infrastructure. It is becoming economic infrastructure. And that may be the most important shift in sustainable investing today.
A rebound, but not yet a renaissance
The $3 billion Q2 inflow into US sustainable funds is significant. Ending 14 consecutive quarters of withdrawals is not something to dismiss. But the more revealing number is $3.1 billion. That is the amount that flowed into one smart-grid ETF during the same quarter. It tells us where investors currently see the strongest combination of sustainability, demand and financial opportunity. The lesson is not that ESG has returned to its old form. It is that capital is becoming more practical.
Investors are looking for sustainability themes that can survive beyond labels and narratives. Electricity infrastructure happens to offer one of the clearest examples because the world cannot build more data centres, electrify industry, expand renewable generation or increase power consumption without expanding and modernising the grid. For the UAE, this trend deserves particular attention. The country’s clean-energy ambitions, rapid economic development and investment in smart infrastructure place it directly within the same global transformation. The next chapter of sustainable finance may therefore be less about selling ESG as an investment philosophy and more about identifying the physical systems required for a changing economy. The companies building those systems may not always look like traditional green businesses.
- They may manufacture transformers.
- Build transmission lines.
- Produce cables.
- Operate electricity networks.
- Develop digital controls.
- Or provide the software that makes a modern grid intelligent.
But as the electricity economy expands, these businesses could increasingly sit at the centre of the sustainability investment story. The ESG rebound may have arrived. It just looks very different from what many expected.
Key sources
- Morningstar, US Sustainable Funds Returned to Positive Flows in Q2 2026.
- Morningstar, Global Sustainable Fund Flows: Q2 2026 in Review.
- International Energy Agency, Electricity 2026 and Electricity Mid-Year Update 2026.
- UAE Ministry of Energy and Infrastructure, UAE clean-energy transition update, January 2026.
- Dubai Electricity and Water Authority, Smart Grid Strategy and 2025 financial and operational results.
