3i Infrastructure PLC’s (LSE:3IN) half-year investor update highlights a strong performance driven by resilient portfolio companies, disciplined active management, and exposure to long-term growth megatrends. The company reported a 7.4% total return for the period, nearly meeting its full-year target within six months, supported by a rising net asset value and robust dividend coverage. With a diversified £4.1bn portfolio focused on energy transition, digitalisation, essential infrastructure, and demographic change, 3i Infrastructure continues to generate stable income and long-term value. Key contributors included TCR - now undergoing a strategic review and expected to attract significant interest - alongside high-performing assets such as Flag’s global subsea fibre network, SVAC’s pivot from oil and gas to offshore wind, Infinnis’ expanding renewable energy platform, and Tampnet’s mission-critical offshore connectivity solutions. The company’s active ownership strategy - de-risking assets, driving EBITDA growth through targeted capex, and timing portfolio realisations - has strengthened margins, expanded order books, and unlocked new revenue streams across its holdings. Management emphasised ongoing investment capacity, a healthy pipeline of potential acquisitions, and opportunities to recycle capital into higher-return assets. With continued progress in fibre rollouts, electrification, infrastructure leasing, and energy-as-a-service models, 3i Infrastructure remains positioned to exceed its medium-term total return target of 8–10% per annum.