THE EDGE BRIEFING — Weekend Edition — 28 June 2026
Energy, climate, finance and geopolitics — the week through the EDGE lens.
This was the week energy sat in the room for almost every big decision without quite being the headline. A British prime minister stepped down — and while the causes were electoral and political, the affordability of power was at least on the docket. A strait that is still being shot at somehow steadied the oil price. And the hyperscalers quietly concluded they will have to build their own grids. Each points the same way: energy security is increasingly something engineered on the demand side, close to use - not merely something bought back after it has been lost.
THE WEEK THAT WAS
The hyperscalers give up waiting for the grid. The week’s clearest signal was a shift in posture: the largest AI operators are moving beyond simply buying electricity: they are increasingly funding, shaping and, in some cases, directly developing the infrastructure that supplies it. Microsoft is now embedding itself in grid management alongside MISO and PJM; Google is funding physical conductor upgrades; and five separate gigawatt-scale data centres are reportedly due online this year, with xAI’s Colossus 2 racing to a gigawatt in twelve months. The arithmetic behind the panic is simple: a grid connection can take four to ten years where a data centre takes two to three to build, and Gartner now reckons power scarcity could throttle two-fifths of AI sites by 2027. With data centres on track, by some forecasts, for 9–17% of US electricity by 2030, the message is plain: if the public grid cannot deliver in time, the private one will. The moment a hyperscaler has to build its own generation, efficiency and on-site supply stop being green garnish and become the central capital decision. That is the core of the EDGE case — now being made by those driving the build-out.
Britain begins another leadership transition — and energy is at least on the docket. Keir Starmer resigned on Monday, accepting he had lost the confidence of his parliamentary party to lead into the next election, and clearing the way for the UK’s seventh prime minister in a decade. The proximate causes were political rather than energy: a battering in May’s local elections, the surge of Reform, and a cascade of cabinet resignations — Streeting in May, the defence team in June. Andy Burnham is now the firm favourite, having taken the Makerfield seat decisively and won Wes Streeting’s backing, raising the prospect of an uncontested race and a new leader in office by mid-to-late July. But energy was at least in the argument: the cost-of-living and household-bills strand that fed the wider discontent, and it sits squarely in Burnham’s pitch. Reporting and his recent interventions suggest an interest in shifting some policy costs away from electricity bills and towards general taxation, wrapped in the language of cheaper power, secure jobs and British industry first. He still backs clean power by 2030 and GB Energy, but the framing has moved from moral mission to household affordability. That is probably the right battleground — and the cheapest, most secure unit on any bill remains the one never consumed.
The market prices the peace the strait hasn’t signed. Brent has round-tripped: from around $120 at the height of the war, its August contract closed the week near $72 a barrel — having traded around $75 earlier on Friday, and back to roughly its pre-war level of 27 February, the eve of the strikes. That is a fall of more than 10% on the week, the sharpest in a month. Following the memorandum President Trump and his Iranian counterpart signed on 17 June, tankers are moving again — some 70 vessels cleared Hormuz on Wednesday, the most since March — with Gulf exports back to roughly three-quarters of pre-war volumes as Saudi Arabia loads at Ras Tanura and the rest of the Gulf scrambles for hulls. And yet: on Thursday the Ever Lovely was struck by a projectile (the US points to the IRGC), and the IMO paused its evacuation of the more than 11,000 sailors still stranded since February. The risk premium hasn’t disappeared; it has migrated into freight and war-risk insurance - quietly paid every day the strait stays a shooting gallery - and into the European gas balance, where the disruption coincided with the EU importing a record ~£3bn of Russian Yamal LNG between January and April, very nearly the entire output of the facility. That is what concentration risk looks like when the choke point chokes.
Britain’s other answer: build the grid around the demand. Beneath the politics, the UK’s data-centre connection reform took shape: reserved capacity and a Connections Accelerator for AI Growth Zones, with government estimating a 500MW site could save £80m a year and connect five years sooner. Strip away the industrial-strategy language and it is the same lesson as the FERC orders a week earlier: site demand where the power already is, and need less of it.
London Climate Action Week says it in the open: diversify. Some fifty thousand people spent the week in scorching London talking about the climate. LCAW — Europe’s largest city-wide climate gathering, now in its eighth year, ran across roughly 700 events and closes today. Michael Bloomberg used his LCAW op-ed to answer the global energy crisis in a single word: diversify. António Guterres, in one of the last major climate addresses of his term, cast the climate crisis and energy insecurity as the same problem with the same root - fossil dependence - and the same answer, naming renewables as the clearest route to security, affordability and resilience. The demand side turned up too, with Bloomberg Philanthropies putting $285m behind scaling clean energy fast enough for what it openly called surging demand, and dedicated sessions on AI and electrification. The lesson worth banking is the gap between the room and the screen: London spent the week talking resilience and diversification while, a few miles east in the City, the same desks sold the risk premium back out of crude and moved on. That gap, between what the system has just shown it needs and what the price is willing to remember, is the story.
STILL LIVE
Hormuz is calm on the screen and contested on the water. The ceasefire still looks like more of an assertion than a fact. The longer tail: the UAE’s own national oil company reckons full throughput may not return until 2027, deal or no deal — and the 17 June memorandum buys only sixty days of nuclear talks, after which the strikes can resume. The oil price reflects hope as much as supply.
Britain is mid-succession. Nominations in the Labour leadership process open on 9 July and close by the summer recess on 16 July, with Burnham expected to take office shortly after if his run stays unchallenged. Until then the direction of UK energy policy - levies, North Sea licensing, the pace of GB Energy - is unresolved, and capital dislikes an unresolved policy.
FERC’s show-cause clock is running. The six US grid operators must now respond on how they connect large loads; nothing is settled, and PJM’s projected 2027 shortfall hasn’t moved.
SFDR 2.0 moved another step forward, with the Council agreeing its negotiating mandate on 24 June. Parliament is still forming its position, so trilogue has yet to begin, but the direction of travel remains simplification and a significant recasting of what qualifies as sustainable investment.
THE WEEK AHEAD
The seven OPEC+ countries in the voluntary-cuts group meet on 5 July, the first real test of how the group treats a market that has round-tripped toward the low-to-mid $70s while the Gulf ceasefire remains fragile. With the IEA already flagging 2026 as one of the most oversupplied years on record, watch whether they bank the calm or defend the price.
The US June jobs report lands on Thursday 2 July (pulled forward by the holiday weekend), with the EIA petroleum (Wednesday) and gas-storage (Thursday) releases either side. Between them, we will get a read on the rate path and the cost of capital for every long-duration energy project in the connection queue.
THE LONGER VIEW
Energy is a domestic political - as well as a geopolitical and market - force. Two forcing functions: a contested strait and a surging load curve.
In my book, The Edge, I argued that the supply-side reflex (drill more, ship more, build more wires) keeps failing because it treats security as something procured rather than engineered. The durable answer sits on the demand side: efficiency first, generation close to use. It is one of the few energy strategies that can simultaneously lower the bill, harden supply and reduce carbon, which is precisely why it tends to survive a change of government, a change of oil price and a change of grid operator alike. London Climate Action Week spent nine days arriving at the same word from the climate direction: diversify. The market may spend the summer trying to forget. We won’t.
SOURCES & FURTHER READING
Energy & AI / data centres
— How hyperscale AI is remaking the power grid (Data Center Knowledge)
— Is power grid connectivity the strategic bottleneck for AI? (WEF)
— UK plans AI Growth Zone in North Wales; data-centre power and planning reforms (DCD)
— Delivering AI Growth Zones (GOV.UK)
UK: change of leader and energy policy
— Keir Starmer resigns, paving way for a 7th UK PM in 10 years (NPR)
— Why has Starmer resigned, and who will take over? (Al Jazeera)
— How do Labour Party leadership contests work? (Institute for Government)
— How could Andy Burnham as PM affect the UK’s net-zero agenda? (edie)
Oil, gas, Hormuz and geopolitics
— Brent round-trips to pre-war levels as Hormuz transits resume (Trading Economics)
— UN agency pauses Hormuz evacuation after attack on vessel (NPR)
— IMO pauses Hormuz ship evacuation after vessel attack (CNBC)
— Reopening the Strait of Hormuz (House of Commons Library)
Climate finance / London Climate Action Week
— London Climate Action Week 2026 — Guterres address, “Diversify” op-ed, $285m commitment (Bloomberg)
— London Climate Action Week 2026
Sustainable finance
— Commission simplifies transparency rules for sustainable financial products (EU)
— SFDR 2.0: what changes are on the horizon (Hogan Lovells)
Week ahead
— BLS Employment Situation release schedule
From my own writing (jonathanmaxwell.substack.com)
— Britpower — A Very British Problem
— Come the (Fifth) Revolution — AI and the energy-hungry fifth industrial revolution
— The Forcing Function — energy geopolitics
— On the Edge — energy geopolitics
— The Green Stop — the SFDR and the green-policy cycle
— Efficiency Fast — efficiency first
Jonathan Maxwell is the CEO of Sustainable Development Capital LLP and author of The Edge. He writes about energy, climate, finance, and geopolitics.
Views expressed are personal and do not constitute investment advice.
To learn more about energy efficiency, visit the website of SEIT plc, or SDCL Group.