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MPS endorses the ESP for implementation. The Summit is attended by over 500 different stakeholders, delegates. representatives of the Industries. Cooperatives, LGU Leaders, Chambers of Commerce & Industries, Businessmen, Electricity Consumers, Sen. Gatchalian & Government Regulatory Bodies such as DOE, PSALM & ERC at MSU-IIT, Iligan City.

"Mindanao Development Authority" (MinDA) through the its Executive Director endorses the ESP as the ultimate solution to lessen dependence on dirty Fossil Coal energy as evidenced by the receipt of MANIFESTO and Unsolicited Proposal on ENERGY STORAGE PROJECT during the "Mindanao Clean Energy Forum" at LKK Lux Hotel, Cag. De Oro City.

"Mindanao Business Conference" issued RESOLUTION urging his Excellency FRM, President of the Philippine Republic. thru Department of Energy (DOE) to further review & study the funding and implementation of the Energy Storage Project (ESP) as conceptualized by Engr. Cerael C. Donggay to be implemented through mass-based ownership by diverse potential investors other than the traditional players.


We pay our electric bills every month—but do we know where our power comes from? What if renewables are the answer?

This is more than power. GRGI’s hydro energy storage makes Mindanao’s electricity stable, reliable, and ready for the future.

Affordable Power: How Electricity Shapes Everyday Life
It affects your food, your children’s education, and your income. That’s why affordable power matters.

We’re not lacking skill or drive. But when electricity is costly, jobs, growth, and progress suffer.
Invest once. Generate power and returns for decades.


Restore lost capacity
Upgrading turbines and core systems to regain efficiency and recover capacity loss over time.

Extend unit life by 30+ years
Upgrade and rehabilitate equipment to keep units running strong for decades.

Boost Efficiency
Optimizing systems and operations to increase output, reliability, and overall efficiency.

Building smarter, cleaner, and more reliable renewable energy for tomorrow.
Solution For All Businesses
Why Invest in Agus Rehab?

Investors Interest
High Financial Return,
Front Stable Cashflow and
Grow Value Overtime
Growth and Expansion Potential

Nationally Aligned RE Goals
EPIRA and RE Acts-Compliant
Affordable and Clean Energy
Industry Innovation and Infra
Climate Action Initiative

Mass Based Ownership
Broadened and Dispersed Ownership
Inclusive Economic Eco-System
De-Monopolization of Utilities
Reduce Economic Disparity
Solution For All Businesses
Start Investing in Energy
Storage Project (ESP) Today.
Wand to grow business