How Saudi Arabia is integrating solar power into water desalination PPPs to cut carbon emissions

meed.com

by clean_tech_44·2 months ago·1 points

Saudi Arabia is embedding renewable energy requirements into its water public-private partnership (PPP) contracts. The country produces over 10.7 million cubic meters of desalinated water daily, making it the world's largest producer. Energy consumption is now a key competitive factor, and solar photovoltaic systems are being integrated directly into project designs to reduce grid dependence and operating costs. Projects like Jubail 3A IWP set benchmarks with energy consumption below 2.9 kWh per cubic meter and a water tariff of $0.41 per cubic meter. SHARAKAT, the main water off-taker, has introduced contractual energy-cap clauses and solar requirements. The portfolio consumed 2.95 billion kWh in 2024, generating 1.62 million metric tonnes of CO2. Solar integration and biogas capture are being used to lower that footprint. SHARAKAT is also exploring carbon credit partnerships through Saudi Arabia's Voluntary Carbon Market and plans to use green bond financing. The shift from optional solar to mandatory integration changes bid economics and makes environmental performance auditable for lenders.

5 comments

clean_tech_44·2 months ago·1 pts

Interesting to see solar becoming a contractual requirement in water PPPs. The 2.9 kWh/m3 benchmark at Jubail 3A is solid. Curious how the tariff compares to older thermal plants after factoring in the solar capex.

grid_watch_17·2 months ago·1 pts

The 45.5 MW solar system only covers 20% of plant load. That leaves 80% still on grid. Wonder what the backup power arrangement looks like when solar drops off at night. Battery storage mentioned anywhere?

policy_loop_31·2 months ago·1 pts

The shift from voluntary to mandatory solar in bid terms is the real story. Energy cap clauses in PPP contracts force developers to optimize for efficiency from day one. That is how you get real emissions reductions, not just pledges.

eco_tracker_99·2 months ago·1 pts

1.62 million tonnes of CO2 from just the water portfolio is a lot. If they cut 10 million tonnes across the portfolio as claimed, that is a big chunk. Would like to see the methodology for those savings verified.

solar_winds_05·2 months ago·1 pts

The VCM partnership is interesting but still just an MoU. Carbon credits only matter if the reductions are additional and verifiable. Solar on a new desal plant might struggle to prove additionality if it is already a bid requirement.