COMCAM
Rows of circular rearing tanks with pumps and aeration equipment in a recirculating aquaculture hall
Grip on pumps, aeration and water treatment, day and night

The market does not set your cost. Your grid connection and contract form do.

Pumps, aeration, filtration and temperature control are your fish farm's life-support systems: they run without pause, whatever the price does. That makes power both a major cost item and a continuity risk - and it calls for certainty on price and on the capacity your connection can carry.

COMCAM provides Energy Portfolio Management for aquaculture businesses: price certainty, grid capacity and continuity in one portfolio, built on your own quarter-hour data through Energy Intelligence.

rearing hallaerationheat pumpgridA day at the farm in kWcatch-uppumps shiftedsolar outputcontinuous loadgrid usekWpumps00:0006:0012:0018:0024:00Illustrative daily profile, schematic, not measured dataaeration never stopsmorning feeding 08:00afternoon feeding 17:00
The force field

Three forces that pull on every energy decision

We see the same pattern in every sector. A market that keeps moving, what your connection and your own profile allow, and where sustainability has to take you. Each on its own is manageable. The bigger problems arise where they overlap, and that is where most of our work is.

Market volatilityGrid capacityand own profileSustainability

Choose an area in the diagram

All three at once

Procurement, grid headroom and sustainability around one hard requirement: the water keeps moving.

How COMCAM helps

One portfolio, one team: analysis, strategy, trading and risk management across all three forces.

The challenge

A load profile that never stops

Aeration, circulation and filtration are your stock's life-support systems (LSS): they run 8,760 hours a year, regardless of that quarter-hour's EPEX price. A generic energy contract is built for a business that can shift load. Yours cannot, which rules out most of the levers other sectors reach for first.

A worker checking water quality at the edge of a rearing tank
Pumping and aeration continue whatever the price does.

A baseload that cannot be paused

Pumps, aeration, filtration and UV treatment are your site's life-support systems (LSS). None of them can stop for an hour without risking your stock, so the floor under your consumption never drops - not even on an expensive EPEX evening.

Water temperature on top of that floor

Heating or cooling the water adds a seasonal layer to a baseload that is already high and near-constant. Winter and summer move the same profile in different directions, and electrifying that heat only raises the floor further.

The flexibility other sectors lean on is not here

Other sectors shift consumption to the cheapest EPEX hour of the day. A process that cannot be interrupted cannot be rescheduled, which changes which energy decisions are open to you at all.

Three mechanisms, not three problems

What congestion, electrification and dynamic pricing mean for a process that cannot pause

Nothing here assumes a problem on your site. These three mechanisms work the same way for every business; the difference is that your load cannot move out of the way of any of them. Below is what each one is, and which decisions it leaves open to you.

Grid congestion & contracted capacity (GTV)

Congestion is not a grid that fails, but a grid that is full at peak moments. It is local, it is a question of kW rather than your annual kWh, and consumption and feed-in are assessed separately per grid level. Your gecontracteerd transportvermogen (GTV, contracted grid capacity) is the slice of that capacity you reserve and pay for regardless. Where pumping and aeration are not negotiable, you establish the headroom above your own peak in advance, from your quarter-hour data - not at the next expansion.

Electrification & heat recovery

Leaving natural gas behind for water-temperature control usually means a heat pump: a substantial new electrical load on top of a baseload that already leaves little room. Heat recovery from process water shrinks that extra demand before you electrify. Part of the investment may qualify for SDE++ (a Dutch operating subsidy for CO2-reducing technology) or EIA (a Dutch energy-investment tax allowance, via the annual Energielijst) - check the current conditions and application window with RVO. Every kW the heat pump adds gets tested against the remaining headroom on your connection first.

Dynamic procurement & EPEX steering without risk to your stock

A dynamic contract passes the EPEX day-ahead price through per quarter-hour - a reward for shifting consumption into a cheaper hour. You cannot shift pumping and aeration without touching your life-support systems (LSS) and, with them, your stock. Steering on EPEX signals or peak-shaving should therefore never reach further than what non-critical load segments allow; for the rest of the profile, price certainty is the right choice, not market exposure.

Both sides of the meter

COMCAM manages price, capacity and continuity as one position

Energy Intelligence is the data foundation: validated quarter-hour data from all your connections, traceable to the source, so every recommendation is checkable. Energy Portfolio Management is the continuous process built on it - analysis, energy strategy, trading and risk management, not a single contract moment. As a Congestion Service Provider recognised by TenneT, COMCAM also works on net congestion management and contracted capacity (GTV) on the grid side of the meter - where a supply contract has no standing at all.

Starting point
Standard energy supplierA rate per kWh, based on an average consumption profile.
COMCAM Portfolio Management & CSPYour own quarter-hour data as the basis (Energy Intelligence), before any procurement form is advised.
Contract-form advice
Standard energy supplierA dynamic contract as "the modern choice", regardless of whether you can steer load.
COMCAM Portfolio Management & CSPProcurement form based on what your load can genuinely shift - for RAS, almost nothing, so price certainty comes first.
Grid capacity (GTV)
Standard energy supplierArranged once at connection, with no ongoing check after that.
COMCAM Portfolio Management & CSPContracted capacity tested continuously against your actual peak and against electrification plans - right-sized before an expansion, rather than after a refusal.
Standing with the netbeheerder
Standard energy supplierNone. A supplier sells kWh. Your connection, your transport capacity and your place in the queue sit with the netbeheerder - a party a supplier has no relationship with.
COMCAM Portfolio Management & CSPCOMCAM works on that side of the meter too: the transportverzoek, the congestion research published for your area, and what the capacity map means at your own grid level.
When capacity is refused
Standard energy supplierOutside their scope. The answer is a different tariff, not a route to capacity.
COMCAM Portfolio Management & CSPEvery route is weighed: a non-firm or time-bound transport right, a capaciteitsbeperkingscontract, cable pooling, an energy hub, behind-the-meter generation, or storage sized to the peak that blocks your connection. For life-support systems the first two usually fail - they trade certainty for speed, and that is the one thing you cannot trade.
Congestion markets
Standard energy supplierNot a role a supplier holds. Congestion products are contracted with the grid operator, not with your supplier.
COMCAM Portfolio Management & CSPAs a Congestion Service Provider recognised by TenneT, COMCAM can place genuinely non-critical capacity - a battery, a thermal buffer, backup plant - in redispatch via GOPACS or a capacity limitation contract. On a RAS site that slice is small; pumping and aeration are never in it.
Monitoring & risk
Standard energy supplierOne invoice a month, no quarter-hour level, and a conversation when the contract term ends.
COMCAM Portfolio Management & CSPQuarter-hour data across all connections, traceable to the source data, with budget and capacity risk flagged while there is still time to act.
Continuity & LSS
Standard energy supplierNo visibility into what an outage means for your life-support systems.
COMCAM Portfolio Management & CSPBackup provision and standby capacity built into the position, not a separate checklist item.
Your invoice

Four blocks, and only one of them moves with the market

Most conversations about energy prices are really about one quarter of the bill. Separating the blocks is what makes the rest of them addressable, and every one of these is checkable on your own invoice.

Supply

The energy itself, plus your supplier's margin. This is the only block that moves with the market, and the only one you negotiate.

Grid costs

Regulated and paid to the grid operator, so not negotiable. On a large-consumer connection they still depend partly on your contracted capacity (GTV) in kW and on the peak you actually record.

Taxes

Energy tax and the VAT over it. The rates sit in bands that fall as consumption rises. So a saving in kWh is worth less per unit to a heavy user than intuition suggests.

Metering and reactive power

Metering services and, where the power factor is unfavourable, a reactive power surcharge. A hall full of pump and aeration motors is exactly where that surcharge appears.

The result

Stable costs, protected stock

Predictable energy costs and a clear view of the risks around supply and capacity. That is what makes it possible to invest in growth without taking a position on the energy market at the same time.

Efficiency, where flexibility is absent

Frequency control and correct sizing on pumps and aeration, heat recovery from process water, and insulation. On a load that runs every hour of the year, an efficiency gain compounds in a way a tariff negotiation does not.

Certainty you can put in a budget

A procurement position built for a volume you cannot reduce. Next year's energy line becomes a figure you can plan against, not one you find out about.

The backup provision, actually tested

A weekly start proves the set runs. It does not prove it carries pumping and aeration for as long as an outage might last. Knowing the difference is part of the position.

What any of this is worth on your site depends on your profile, your connection and your contract position. That is precisely what the first step establishes.

Start with your own profile

Request a RAS energy & grid-capacity scan

One scan puts your quarter-hour profile next to your contracted capacity (GTV), your contract exposure and the headroom electrification still needs. That says more about your position than twelve monthly invoices.

No obligation. No advice before we have seen your own quarter-hour data.

What clients say

Don't take our word for it

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  • I submit all my energy questions to COMCAM. They take my questions seriously and really think along with me.
    Joost d'Hondt
    owner, 't Zusje Terneuzen
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  • Very knowledgeable advice. Nice to speak to a real person. That is becoming increasingly rare in 2026.
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  • A pleasant company where getting in touch is very easy and doesn't go through endless layers. They think along with entrepreneurs very well. Very satisfied.
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    owner, DeFabrique
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  • Clear agreements and excellent communication. As a business customer, very satisfied with the collaboration.
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  • Have worked with and through COMCAM for years... extremely reliable and truly fantastic service!!! Many thanks to Danny, but of course this goes for the whole team!
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  • In that search, the combination of COMCAM and SEFE Energy came out on top.
    John van Kuijk
    director, Amarant
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  • Nice company with good service and staff.
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  • Ruben helped me very well with my PV installation and control box. Very knowledgeable company. Definitely recommended
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