Articles Authors About RWE OWI Platform

Author Profile

David Ayala

Project Development & Regional Markets. Project developer who has commissioned waste-to-energy facilities across the Americas and advised on regional market entry in Asia and the Gulf. Writes about getting projects from feasibility through commissioning, and on what makes one regional market open while another stays stalled. Published by Renewable Waste Energy.

Vet a Waste-to-Energy Plant Manufacturer on the Guarantee, Not the Datasheet
10 min read

Vet a Waste-to-Energy Plant Manufacturer on the Guarantee, Not the Datasheet

Most buyers vet waste-to-energy plant manufacturers on technology. After three commissionings, I vet the availability guarantee and the reference plant instead.

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Waste-to-Energy Ash Is an Offtake Problem, Not a Disposal Line
9 min read

Waste-to-Energy Ash Is an Offtake Problem, Not a Disposal Line

Waste-to-energy ash disposal is a quarter of the input mass, and most US plants still landfill it. Bottom ash reuse and fly ash treatment decide the pro forma.

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Modular Waste Processing Sells a Schedule the Grid Won't Honor
8 min read

Modular Waste Processing Sells a Schedule the Grid Won't Honor

Modular waste processing erects in four months, then waits years on an interconnection queue. Why the second module never lands, and what to sell instead.

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Landfill Mining Pays for the Airspace, Not the Aluminum
8 min read

Landfill Mining Pays for the Airspace, Not the Aluminum

Landfill mining almost never pays for the recovered metal. It pays for reclaimed airspace, closure liability, or not at all - here's when the dig clears.

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40,000 Tonnes a Year, Locked for a Decade: Why Plastics-to-Fuels Lives or Dies on Feedstock Security
6 min read

40,000 Tonnes a Year, Locked for a Decade: Why Plastics-to-Fuels Lives or Dies on Feedstock Security

Abundia locked a decade of polyolefin feedstock before building Cedar Port. Why feedstock security, not the reactor, decides plastics-to-fuels projects.

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Africa's Dumpsite Crisis Is Real. Imported Waste-to-Energy Plants Keep Underperforming.
7 min read

Africa's Dumpsite Crisis Is Real. Imported Waste-to-Energy Plants Keep Underperforming.

Waste to energy in Africa keeps underperforming, and Reppie shows why: plants built for dry European trash choke on wet, organic waste. Here's the real fix.

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Renewable Natural Gas From Anaerobic Digestion: Why Projects Stall at the Injection Meter
7 min read

Renewable Natural Gas From Anaerobic Digestion: Why Projects Stall at the Injection Meter

Renewable natural gas from anaerobic digestion clears the methane spec easily. The oxygen limit, interconnection queue, and RIN offtake are what stall projects.

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Southeast Asia's Waste-to-Energy Bet Comes Down to Who Pays the Tipping Fee
10 min read

Southeast Asia's Waste-to-Energy Bet Comes Down to Who Pays the Tipping Fee

Waste-to-energy in Southeast Asia lives or dies on contract structure - see how Indonesia, Vietnam, and the Philippines each price the risk differently.

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Four Beliefs About Waste Conversion Systems That Cost Operators Money
7 min read

Four Beliefs About Waste Conversion Systems That Cost Operators Money

Four persistent myths about waste conversion systems - and the engineering data that disproves them. A process engineer's field perspective.

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Waste Management in Latin America: Why Projects Stall and What Actually Works
6 min read

Waste Management in Latin America: Why Projects Stall and What Actually Works

Latin America produces 540,000 tonnes of waste daily. Here's why infrastructure fails and the modular approaches finally gaining traction in the region.

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Municipal Solid Waste Solutions: Modern Alternatives Beyond the Landfill
7 min read

Municipal Solid Waste Solutions: Modern Alternatives Beyond the Landfill

How cities and waste operators are replacing landfill dependence with integrated sorting, pyrolysis conversion, and resource recovery systems that extract energy, fuel, and materials from municipal solid waste.

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What Is Waste-to-Energy? Guide to Modern WTE
6 min read

What Is Waste-to-Energy? Guide to Modern WTE

A technical guide to waste-to-energy technology: how pyrolysis, radiant heat, and thermal conversion turn municipal waste into syngas, fuel, and power.

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