ENE · Solar
Concentrated solar power and solar PV
Two very different technologies from the same resource. CSP makes heat you can store; PV makes electricity you have to store differently.
Overview
Overview
In order to achieve energy production from renewable sources, Glorinda has focused on one of the most efficient sources of energy — the sun — since it is the most readily available and most suitable. Off-grid and on-grid electricity can be generated from solar energy in several ways, and the two routes we work in behave completely differently once storage enters the conversation.
Because of our engineers' ability to review and analyse information and data, Glorinda is capable of providing the necessary equipment as well as building a power plant that meets the needs of its clients. The judgement that matters is not which technology is better in the abstract; it is which one suits the irradiance profile, the land, the grid connection and the load you are trying to serve.
Detail
Concentrated solar-thermal power (CSP)
Glorinda's specialisation is concentrated solar-thermal power, which uses the reflection of sunlight onto a collector to generate the heat required to evaporate a liquid, often water. Hot steam then spins a turbine or moves a reciprocating motor piston, and the mechanical actuator rotates the electrical actuator to generate electricity.
The greatest weakness of solar thermal systems is that the sun does not shine when the demand peaks. Glorinda is able to overcome that by utilising heat storage, with molten salt as the primary means of storing energy. That turns an intermittent resource into a dispatchable one without a battery.
Because the output of a CSP plant is steam, the steam turbine and the water chemistry feeding it are as central to the project as the collector field.
Process diagram
Collector field → receiver → molten salt storage → steam generator → turbine
Reserved for a static CSP process diagram showing the collector field, receiver, hot and cold molten salt tanks, steam generator, turbine, condenser and the water treatment loop.
Static process diagram — final artwork to be supplied.
Detail
Photovoltaic solar energy (PV)
In this field, Glorinda generates electricity directly from the sun. Through the use of fixed or mobile collectors, photovoltaic systems convert sunlight directly into electricity, with storage through hydrogen tanks and battery energy storage systems.
Solar tracking technology increases yield on sites where the extra mechanical complexity is justified by the irradiance profile — and where it is not, we will say so. Fixed-tilt arrays with fewer moving parts are often the better answer on remote sites with limited maintenance access.
The engineering questions that actually decide a PV project are grid connection, land, soiling and cleaning water, and what happens to the generation profile when it meets the load. The last of those is a storage question.
Applications
Applications and challenges
Where it applies
- Utility-scale solar generation, on-grid and off-grid
- Industrial self-generation behind the meter
- CSP with molten salt storage for dispatchable output
- Hybrid PV and battery storage systems
- Solar thermal steam for industrial process heat
- Remote site power where grid extension is uneconomic
- Solar-powered water treatment and desalination
Common challenges we are asked to solve
- A generation profile that does not match the site load
- Grid connection capacity limiting plant size
- Panel soiling and the water needed to clean it
- Tracking systems that add maintenance the site cannot support
- Storage sized after the fact instead of designed in
- Steam-side water chemistry on CSP plants being treated as an afterthought
FAQ
Frequently asked questions
CSP or PV — which should we build?
PV is cheaper per megawatt and simpler to operate. CSP produces heat, which can be stored in molten salt and dispatched, and it produces steam, which some industrial sites want directly. If you need dispatchable output or process heat, CSP earns its extra complexity; if you need cheap kilowatt-hours, PV usually wins.
How does molten salt storage work?
Heat collected during the day is stored in molten salt rather than converted immediately to electricity. The stored heat raises steam later, when it is needed. It is how Glorinda overcomes the greatest weakness of solar thermal systems.
Do you supply the turbine as well?
Yes. Glorinda supplies steam turbines from 50 kW to 180 MW, and solar thermal is one of the listed applications for them. That means the collector field, the steam cycle and the water treatment behind it can be engineered as one scope.
Can you deliver a solar project turnkey?
We can deliver as EP, EPC or EPCM depending on the scope, and we frequently act as owner's engineer instead. Civil works are executed by local contractors under our supervision.
Evidence
Projects
Sample layout. Reference projects are being cleared for publication with the clients concerned. The structure below is final; the content is placeholder.
SampleWater reuse retrofit — sample card
Card layout for a completed water reuse project: stream data before and after, recovery achieved, scope Glorinda held, and the client's own words.
SampleZLD package — sample card
Card layout for a zero liquid discharge package: feed characterisation, evaporator type selected, solid output route, and commissioning duration.
SampleOwner's engineer mandate — sample card
Card layout for an advisory mandate: the client's decision, the options assessed, and what changed in the tender as a result.
Conversion
Take this further
Send us the stream data, the discharge limit or the equipment list you are working from. An engineer reads every enquiry and replies with the questions that actually decide the solution — not a brochure.
Contact
Talk it through with an engineer
Send the constraint you are designing around and we will tell you what is realistic before anyone writes a specification.