Indonesia’s data center sector is entering a structurally differentiated growth phase, with Batam increasingly positioned as a regulatory compliance and Singapore-linked overflow hub, while Jakarta continues to anchor core hyperscale and enterprise demand, according to BMI Country Risk and Industry Research.

In its analysis report on Monday, the research house said the country’s data localization mandate is a key structural driver reshaping investment flows.

Rather than creating a single unified national hub, the policy is reinforcing a dual-market structure: Jakarta as the primary scale market, and Batam as a strategically located secondary node serving cross-border compliance, latency-sensitive workloads and Singapore spillover demand.

BMI said Batam’s rise is closely tied to Indonesia’s data sovereignty requirements, which mandate that certain categories of data—particularly government and financial information — must be stored on domestically domiciled infrastructure.

For multinational operators, especially Singapore-based firms with Indonesian operations, this creates a non-discretionary demand requirement for in-country hosting.

In this context, Batam has emerged as a low-friction compliance hub. Its proximity to Singapore — offering sub-five-millisecond latency — and its direct connectivity via more than 15 operational and planned submarine cables position it as the most efficient Indonesian entry point for cross-border digital infrastructure.

BMI noted that this combination of geographic proximity and connectivity infrastructure allows operators to satisfy Indonesian regulatory requirements while preserving near-Singapore performance characteristics.

As a result, Batam is increasingly functioning as an extension of Singapore’s cloud and data ecosystem rather than a standalone domestic hub.

A key validation of this trend came with Oracle’s launch of its Indonesia North Cloud Region in Batam in July 2025, hosted at DayOne’s Nongsa Digital Park campus.

The facility enables Indonesian enterprises to access cloud services onshore, ensuring compliance with localization rules while maintaining seamless integration with regional cloud infrastructure.

BMI also highlighted Indonesia’s Special Economic Zone (SEZ) framework as a central enabler of Batam’s emergence.

The most prominent example is Nongsa Digital Park, which has been positioned as a flagship digital infrastructure zone.

Within SEZs, investors benefit from a suite of incentives, including tax holidays of up to 20 years, value added tax (VAT) and import duty exemptions, regional tax reductions and—critically—100% foreign ownership rights.

BMI said these provisions materially reduce both capital costs and regulatory friction, which are typically major constraints for greenfield infrastructure development in Indonesia.

The report added that procedural clarity and streamlined permitting within SEZs offer an additional advantage, reducing execution uncertainty for institutional investors and hyperscale operators.

In BMI’s view, this combination of fiscal incentives and regulatory certainty represents a “material de-risking” of investment compared with broader Indonesian market conditions.

As competing regional markets tighten permitting requirements and introduce stricter environmental and energy constraints, BMI expects SEZ-linked locations such as Batam to continue attracting disproportionate shares of foreign capital inflows.

Despite Batam’s rapid emergence, BMI stressed that Jakarta remains Indonesia’s dominant data center hub and will continue to retain structural primacy.

Jakarta currently accounts for approximately 340MW of live capacity, supported by a development pipeline of around 1.5GW, excluding hyperscaler self-built facilities.

This scale reflects Jakarta’s entrenched position as Indonesia’s economic, financial and enterprise center, as well as its proximity to the country’s largest population base.

BMI said Jakarta’s depth of hyperscaler commitment, mature enterprise ecosystem and established connectivity infrastructure give it a structural advantage that Batam is unlikely to replicate.

Even as demand diversifies geographically, Jakarta’s role as the primary aggregation point for national digital infrastructure remains intact.

In comparison, Batam’s pipeline is estimated at over 400MW, positioning it as a meaningful but secondary growth market within Indonesia’s broader data center landscape.

A key structural feature of Indonesia’s data center sector, according to BMI, is its heavy reliance on foreign capital.

The report estimated that domestic operators accounted for only around 10 percent of total live capacity as of early 2026.

This imbalance reflects the dominance of private equity-backed international platforms and hyperscale operators, including Digital Edge (backed by Stonepeak), Princeton Digital Group (Warburg Pincus), DCI Indonesia (Brookfield Asset Management) and BDx (I Squared Capital).

These players are driving the majority of capacity expansion across the country, with scale, capital access and international tenant relationships giving them a structural advantage over local providers.

By contrast, domestic firms such as Biznet Bali, IDC Indonesia and Omadata Surabaya typically operate smaller, fragmented facilities in the 1–2MW range, often focused on local enterprise clients and on-premises deployments.

BMI said this fragmentation limits consolidation potential, as geographic dispersion and small-scale footprints reduce acquisition attractiveness for global investors seeking scalable platforms.

As a result, the report expects Indonesia’s data center growth trajectory to remain structurally dependent on foreign capital formation, with limited prospects for meaningful domestic consolidation in the near term.

BMI also highlighted the critical role of Singapore in shaping Batam’s demand outlook.

Singapore’s data center market is widely regarded as one of the most advanced globally, but it faces structural constraints including land scarcity, high real estate costs and power limitations.

Data centers are expected to account for more than 10 percent of Singapore’s electricity consumption by 2030, placing increasing pressure on new capacity approvals.

Even with the partial easing of Singapore’s data center moratorium, BMI said incremental additions remain tightly controlled and focused on high-efficiency, high-value workloads.

This creates a structural overflow effect, with Batam absorbing demand that cannot be accommodated within Singapore.

Its low latency connectivity and cost advantages also make it particularly attractive for secondary workloads, backup infrastructure and compliance-driven deployments.

Meanwhile, Malaysia’s Johor region, with an estimated pipeline of around 5GW, has emerged as a major competing hub for hyperscale deployments.

Its advantages include larger land availability, stronger grid integration and direct physical connectivity to Singapore.

BMI said Johor is increasingly positioned for AI training workloads and large-scale compute clusters, while Batam remains focused on compliance-driven, cost-sensitive and Indonesian localization use cases.

Malaysia, Indonesia and India emerge as leading growth markets in data center – BMI