Bandung becomes the first proving ground for decentralised waste management, with PLN EPI as offtaker

Indonesia's waste policy conversation in 2026 has been dominated by large, centralised waste-to-energy plants, known locally as PSEL. This week a second track came into clearer view. PT PLN Energi Primer Indonesia (PLN EPI), the primary energy supply arm of the state electricity company, set out how it will act as the buyer for the output of a new Decentralised Waste Management (DWM) programme, with the city of Bandung chosen as the first location.

The programme brings together five parties: PLN EPI, PT Danantara Development Management Fund (DDMF), PT Rekayasa Industri (Rekind), PT Pertamina Power Indonesia (PNRE), and the Bandung City Environment Agency (DLH Kota Bandung). They signed a Joint Commitment on 14 September 2026 at Wisma Danantara Indonesia in Jakarta. Coverage widened through the week, and on 25 and 26 September PLN EPI's own account of its role was carried by ANTARA, Merdeka and other national outlets.

What the five parties agreed

The Joint Commitment is a first step rather than a construction contract. It covers coordination, exploration, assessment and evaluation of DWM potential in Bandung. According to the reporting, the scope includes identifying the city's waste management needs, comparing processing technology options, assessing technical, environmental, social, economic, financial and institutional factors, screening candidate sites for land and utilities, and analysing waste sources, volumes and transport logistics.

The target design is four waste management centres, referred to as Sentra Waste Management (SWK). Each is planned at around 300 tonnes per day, giving a combined capacity of about 1,200 tonnes per day. Sigit Puji Santosa, Chief Technology Officer of BPI Danantara, summarised it plainly: "Empat SWK bisa mengolah 1.200 ton", meaning the four centres can process 1,200 tonnes.

The timeline is short. Danantara aims to begin one or two DWM sites by December 2026 or January 2027, with expansion to four or five locations after that. M Rachmat Kaimuddin, Managing Director of DDMF, was reported by Okezone as stressing that waste management has to be proven through field implementation, not only through discussion and study. The Bandung pilot is framed as that proof, a working model to be tested before replication in other regions.

Why a decentralised model, and why now

The partners are explicit that DWM is designed to complement centralised PSEL plants, not to replace them. Large waste-to-energy facilities need a large, guaranteed daily feedstock and a long power purchase agreement to be viable. Many Indonesian cities and regencies do not have that scale, or have it but cannot move all of their waste to a single site efficiently. Processing closer to the source reduces long haul trucking, lowers logistics cost, and lets each centre be sized to the neighbourhoods around it.

Sigit Puji Santosa made the point directly, according to Merdeka: the decentralised approach fits areas that lack the economic scale for a large centralised facility, and local processing cuts transport and logistics demands.

Bandung is a logical first site. The city sends its residual waste to TPA Sarimukti in West Bandung Regency, a regional landfill shared with three neighbouring jurisdictions. Kompas reported in June 2026 that Sarimukti was receiving about 1,700 tonnes per day, above its planned 1,400 to 1,500 tonnes, with Bandung City delivering about 983 tonnes per day. The site's managers projected it could reach capacity around October 2026. The chart above shows how that daily load was shared in June, and it makes clear why a city delivering close to 1,000 tonnes a day has the strongest incentive to process more of its own waste locally.

Four neighbourhood-scale centres at 300 tonnes each would give Bandung processing capacity above the roughly 983 tonnes per day it was sending to Sarimukti in June 2026, which changes the question from where to dispose to how to recover.

That comparison is indicative rather than exact, since the centres will still produce residues and not all incoming material will be suitable feedstock. It nonetheless shows the scale of the opportunity.

PLN EPI's role: a buyer that closes the loop

What distinguishes DWM from earlier community-scale waste initiatives is a committed offtaker. Many TPS3R and waste bank programmes in Indonesia have struggled not with collection or sorting, but with finding a stable buyer for what they produce. Under the Bandung commitment, PLN EPI will act as the potential buyer of DWM processing products. It will communicate product requirements and specifications and carry out an initial technical review of quality, quantity, supply continuity, logistics and utilisation potential within the primary energy supply chain.

PLN EPI already runs a large supply chain of this kind for biomass. Hokkop Situngkir, Director of Biomass at PLN EPI, said that PLN used around 2.5 million tonnes of biomass over the past year, about 99 percent of it from agricultural residues, mainly for cofiring in coal power plants. He noted that Indonesia's agricultural residue potential is around 80 million tonnes a year, so the current uptake is a small fraction of what is available. PLN EPI holds around 180 active supply contracts, and roughly 60 percent of them involve young entrepreneurs.

"Di PLN EPI, kita melakukan substitusi bahan-bahan fosil menjadi bahan-bahan berbasis hayati untuk kelangsungan energi kita melalui cofiring," Situngkir said, as reported by RuangEnergi. In English: PLN EPI substitutes fossil materials with bio-based materials to sustain the energy supply through cofiring.

The framing matters. When sorted waste leaves a neighbourhood centre as a fuel product with a specification and a buyer, it stops being a disposal cost for the city and becomes an input to energy security. That is the argument Situngkir made in the ANTARA report, that waste which re-enters the value chain as a resource and energy source turns waste management into part of the energy security solution.

What still needs to be settled

The commitment is at an early stage, and several practical questions will shape how far the model can travel.

The first is product specification. PLN EPI's cofiring programme is built around agricultural biomass with fairly consistent properties. Municipal waste is more variable, and the reporting does not yet specify which products the SWK will make, whether refuse derived fuel, solid recovered fuel, compost, or a combination. The specifications PLN EPI communicates will effectively set the sorting and processing standard for each centre.

The second is siting. Neighbourhood-scale facilities are easier to integrate than a single large plant, but each one still needs land, utilities, road access and community acceptance. The assessment phase explicitly covers land availability and utilities, which is the right place to start.

The third is the division of roles and revenue. With a sovereign investment manager, two state-owned engineering and energy firms, a state-owned buyer and a city agency at the table, clarity on who builds, who operates, who bears feedstock risk and how tipping fees and product sales are shared will determine bankability. The Joint Commitment language on institutional and financial assessment suggests these questions are on the agenda.

The fourth is how DWM connects to upstream separation. Bandung has for some time promoted household sorting and a network of local processing points. A decentralised centre that receives cleaner, separated material will produce a more consistent fuel and a higher value product. The two efforts reinforce each other.

Sirkularium's view

For government and public institutions, the Bandung DWM commitment is a constructive signal on three fronts.

On policy, it shows that the national waste-to-energy agenda has room for more than one plant format. Cities and regencies that fall below the scale of a PSEL, which describes a large share of Indonesian regencies and cities, now have a visible reference model they can study as it develops. The clearest benefit would come from publishing the Bandung assessment framework, covering technology, siting, finance and institutions, so that other regions can apply it without starting from zero.

On financing, a committed state-owned offtaker is the single most valuable element a small or medium processing facility can have. PLN EPI's experience with 180 biomass supply contracts, many with young entrepreneurs, suggests a contracting model that could be adapted for waste-derived fuels. Standard offtake terms, with transparent specifications and pricing, would allow local operators and cooperatives to plan investment with confidence.

On implementation, the December 2026 to January 2027 target for the first one or two sites is ambitious and welcome. Sirkularium suggests that regional governments watching Bandung focus on three indicators as the pilot progresses: the actual daily throughput achieved against the 300 tonne design, the share of incoming waste converted into saleable product versus residue sent to landfill, and the consistency of product quality over the first months of offtake.

What to watch next: the technology choice for the first SWK, the product specifications PLN EPI issues, and the location of the first one or two sites. If the pilot delivers, Bandung could offer Indonesia a practical, replicable template that pairs neighbourhood-scale processing with a national energy buyer, and that eases pressure on shared regional landfills such as Sarimukti.