Energy suppliers compared
DELTA Energie vs Frank Energiedynamic contracts compared, EV drivers included
What does home charging with DELTA Energie and Frank Energie cost for your car?
EV cost scan: your car, mileage and charging habits
DELTA Energie and Frank Energie side by side: fixed fee €8.49 and €7.25* per month, markup €0.0125 and €0.0182* per kWh. At 5,130 kWh a year (household plus home charging), DELTA Energie is €14* a year cheaper in fixed fees and markup, so practically the same. What differs: DELTA Energie: smart charging announced (not available yet) and ACM license since 2004; Frank Energie: smart charging in its own app, own ERE deal (open now) and ACM license since 2020.
Amounts from the suppliers' own sites, checked on September 27, 2026 · no paid placement
The numbers
DELTA Energie and Frank Energie side by side
Only what the supplier itself charges: fixed fee and markup. The market price, energy tax and grid costs are the same with both.
| Item | DELTA Energie |  Frank Energie |
|---|---|---|
| Costs | ||
| Fixed feeper month | €8.49 | €7.25* |
| Markupper kWh | €0.0125Lower | €0.0182* |
| Supplier costper year, at 5,130 kWh | €166Lower | €180* |
| Contract and charging | ||
| Price per | hour | hour |
| Smart charging in the app | Coming soon | Yes |
| Home-battery steering | Yes | Yes |
| Own ERE deal | Unknown | Yes |
| Certainty | ||
| Taking new customers | Yes | Yes |
| ACM license | Active since 2004 | Active since 2020 |
| EV score | 8.4/10 · Strong | 8.5/10 · Strong |
- * Amount as the supplier publishes it; the supplier does not say whether it includes VAT.
- Marked green: the lower amount, only when it stays lower if an amount with * were excl. VAT (then 21% is added). No mark: the same, or not certain which is lower.
- Supplier cost per year: 12 × fixed fee + markup × 5,130 kWh (2,430 kWh average household plus 2,700 kWh home charging, 15,000 km a year), excl. energy tax and grid costs.
Price per month
What a kWh cost with DELTA Energie and Frank Energie
Smart-charged in the four cheapest hours of each day, with energy tax, VAT and each supplier's markup. The market price is the same for both, so the lines move together. The gap between them is the difference in markup: €0.0057* per kWh.
Smart charging, price per kWh
Last 24 complete months · markup difference €0.0057* per kWh
See the figures per month
| Month | DELTA Energie | Frank Energie |
|---|---|---|
| September 2026 | €0.199 | €0.204 |
| August 2026 | €0.165 | €0.170 |
| July 2026 | €0.150 | €0.155 |
| June 2026 | €0.164 | €0.169 |
| May 2026 | €0.138 | €0.144 |
| April 2026 | €0.118 | €0.124 |
| March 2026 | €0.162 | €0.168 |
| February 2026 | €0.206 | €0.212 |
| January 2026 | €0.222 | €0.228 |
| December 2025 | €0.211 | €0.217 |
| November 2025 | €0.214 | €0.219 |
| October 2025 | €0.194 | €0.199 |
| September 2025 | €0.168 | €0.174 |
| August 2025 | €0.155 | €0.161 |
| July 2025 | €0.180 | €0.186 |
| June 2025 | €0.133 | €0.139 |
| May 2025 | €0.118 | €0.124 |
| April 2025 | €0.141 | €0.146 |
| March 2025 | €0.174 | €0.179 |
| February 2025 | €0.248 | €0.254 |
| January 2025 | €0.228 | €0.234 |
| December 2024 | €0.214 | €0.220 |
| November 2024 | €0.239 | €0.244 |
| October 2024 | €0.205 | €0.211 |
Per kWh incl. VAT and energy tax, excl. fixed supply costs, grid costs and the tax reduction. Markup as we record it per month; before September 27, 2026 the first markup we saw. * Markup published without stating VAT. Energy tax and VAT: Belastingdienst, Overzicht tarieven energiebelasting. Market price: Energy-Charts (Fraunhofer ISE), data Bundesnetzagentur | SMARD.de (CC BY 4.0)
EV score
Score per pillar
Ten public checks in four pillars, the same rules for every supplier. Anything not public earns 0 points.
- DELTA Energie8.4/10EV score · Strong
- Frank Energie8.5/10EV score · Strong
Charging
weight 35%
DELTA Energie8.3Frank Energie10.0Costs
weight 30%
DELTA Energie10.0Frank Energie5.0Certainty
weight 25%
DELTA Energie10.0Frank Energie10.0ERE
weight 10%
DELTA Energie0.0Frank Energie10.0
See every point per check
| Check | DELTA Energie | Frank Energie |
|---|---|---|
| Dynamic contractCharging · Yes: 1 | 1 / 1 | 1 / 1 |
| Smart charging in the appCharging · Yes: 1 · coming soon: 0.5 | 0.5 / 1 | 1 / 1 |
| Home-battery steeringCharging · Yes: 1 | 1 / 1 | 1 / 1 |
| Fixed fee publicCosts · With VAT stated: 1 · without: 0.5 | 1 / 1 | 0.5 / 1 |
| Markup per kWh publicCosts · With VAT stated: 1 · without: 0.5 | 1 / 1 | 0.5 / 1 |
| Supplier cost per yearCosts · Cheapest third: 1 · middle third: 0.5 | 1 / 1 | 0.5 / 1 |
| ACM license activeCertainty · Yes: 1 | 1 / 1 | 1 / 1 |
| Years licensedCertainty · 5+ years: 1 · 2+ years: 0.5 | 1 / 1 | 1 / 1 |
| Taking new customersCertainty · Yes: 1 · unknown: 0.5 | 1 / 1 | 1 / 1 |
| Own ERE dealERE · Open: 1 · waitlist or pre-registration: 0.5 | 0 / 1 | 1 / 1 |
For EV drivers
What they offer beyond the price
The first sentence of what the supplier itself says. Everything is on each supplier's page, with sources.
Smart charging in the app
DELTA EnergieComing soonAutel chargers via Vattenfall Sales N.V. (Compact from €599, MaxiCharger with MID meter from €949, incl. customer discount, excl. installation), with optional dynamic load balancing and a charging subscription of €6.95 per month.
Frank EnergieYesSmart Charging in the Frank app: set a departure time and Frank schedules charging at the cheapest moments.
ERE deal
DELTA EnergieUnknownThe charger page says the Autel MaxiCharger (MID meter) can earn ERE payments, paid out 'via a recognised ERE service provider', but names no partner and no own ERE offer.
Frank EnergieYesVia registration service Joulo (since 16 September 2026), for customers with a suitable charge point with a MID meter.
View this ERE offerHome battery
DELTA EnergieYesFox ESS S28 (from €1,895) and Fox ESS EQ6000 Plus (from €6,935), incl. installation and customer discounts, via partner Saman Groep.
Frank EnergieYesSlim Stroom Handelen: Frank steers a linked home battery to charge at low and discharge at high prices, including on the imbalance market; open to multiple brands.
Feed-in
DELTA EnergieFixed and variable: fixed feed-in costs based on feed-in bands (average feed-in); from 1 January 2027 a fixed amount per kWh fed in for contracts signed after 25 September 2025.
Frank EnergieNo feed-in costs.
Term and cancelling
DELTA EnergieOpen-ended, can always be cancelled free of charge, normally with 5 working days notice.
Frank EnergieIndefinite term; cancellation is free and there is no notice period.
Fixed fee in short
DELTA EnergieConsumer price sheet as of 23 April 2026: fixed supply costs €8.49 per month and purchase fee €0.012548 per kWh, both incl. VAT.
Frank EnergieBoth amounts come from Frank Energie's comparison table (updated April 2026): fixed supply fee €7.25 per month and purchase fee €0.0182 per kWh.
Which one suits whom?
The differences at a glance
No winner and no advice: these are the differences in the public data. Lower means a lower amount, nothing more.
DELTA Energie
- Lower supplier cost: €166 against €180* a year
- Lower markup: €0.0125 against €0.0182* per kWh
- Smart charging announced, not available yet
- ACM license since 2004
Frank Energie
- Smart charging in its own app
- Own ERE deal, open now
- ACM license since 2020
Not certain which is lower: fixed fee. At least one of the two does not say whether the amount includes VAT (* in the table).
Both
- Price per hour
- Steers a home battery
- Taking new customers
Sources
Where the numbers come from
DELTA Energie
- DELTA Energie, prijzen dynamisch energiecontract
- DELTA Energie, prijzenfolder dynamisch consumenten 23 april 2026
- DELTA Energie, productvoorwaarden dynamisch
- DELTA Energie, downloads en tarieven
- DELTA Energie, terugleverkosten
- DELTA Energie, overzicht vaste terugleverkosten
- DELTA Energie, laadpaal
- DELTA Energie, Energiemanager
- DELTA Energie, thuisbatterij
- ACM, DELTA Comfort B.V. mag elektriciteit leveren aan kleinverbruikers
- ACM, register energieleveranciers met een vergunning
Checked on September 27, 2026
Frank Energie
- Frank Energie: Dynamisch energiecontract vergelijken (tabel april 2026)
- Frank Energie: Terugleververgoeding (€ 0,0182/kWh, Slim Terugleveren)
- Frank Energie: Dynamische energieprijzen (uur- of kwartierprijzen)
- Frank Energie: Leeswijzer afrekening (inkoopvergoeding teruglevering)
- Frank Energie Aanvullende voorwaarden Dynamisch Product
- Frank Energie openbare prijzenfeed (GraphQL marketPricesElectricity)
- Frank Energie: Slim Laden
- Frank Energie: Slim Stroom Handelen
- Frank Energie: Nieuws ERE-certificaten met Joulo (16 september 2026)
- Frank Energie: Dynamisch energiecontract (oudere pagina, vaste vergoeding € 7, d.d. 3 januari 2025)
- Frank Energie: Variabel contract (alleen via prijsvergelijkers)
- Frank Energie: Variabel contract prijzen
- Frank Energie: Referentietarief opzegvergoeding (vast contract)
- Frank Energie Aanvullende productvoorwaarden 1 jaar Vast product
- ACM: Energieleveranciers met een vergunning (elektriciteit)
Checked on September 27, 2026
Average household: Milieu Centraal - Gemiddeld energieverbruik
Questions
Frequently asked questions
Answered with the numbers on this page, the same way for both suppliers.
Which is cheaper: DELTA Energie or Frank Energie?
For an example household (2,430 kWh household use plus 2,700 kWh home charging), DELTA Energie charges €166 a year in fixed fees and markup, Frank Energie €180*. That makes DELTA Energie €14 a year cheaper. The market price, energy tax and grid costs are the same with both. * Amount as the supplier publishes it, without saying whether it includes VAT.
Can you smart-charge your EV with DELTA Energie and Frank Energie?
DELTA Energie: coming soon. Autel chargers via Vattenfall Sales N.V. (Compact from €599, MaxiCharger with MID meter from €949, incl. customer discount, excl. installation), with optional dynamic load balancing and a charging subscription of €6.95 per month. Frank Energie: yes. Smart Charging in the Frank app: set a departure time and Frank schedules charging at the cheapest moments.
Do DELTA Energie and Frank Energie have an ERE deal?
DELTA Energie: unknown. The charger page says the Autel MaxiCharger (MID meter) can earn ERE payments, paid out 'via a recognised ERE service provider', but names no partner and no own ERE offer. Frank Energie: yes. Via registration service Joulo (since 16 September 2026), for customers with a suitable charge point with a MID meter. Since 1 January 2026, ERE payment for home charging needs a charger with a built-in MID meter; you can also arrange ERE separately from your energy supplier or charging card.
Do DELTA Energie and Frank Energie use hourly or quarter-hourly prices?
DELTA Energie prices per hour, Frank Energie per hour.
What is the EV score of DELTA Energie and Frank Energie?
DELTA Energie 8.4/10 (strong), Frank Energie 8.5/10 (strong). The EV score counts ten public checks in four pillars: charging 35%, costs 30%, certainty 25% and ERE 10%, with the same rules for every supplier.
Can you cancel DELTA Energie and Frank Energie at any time?
DELTA Energie: Open-ended, can always be cancelled free of charge, normally with 5 working days notice. Frank Energie: Indefinite term; cancellation is free and there is no notice period.
Your ERE payment is arranged separately
Whichever supplier you use: with a charger that has a built-in MID meter you earn ERE payment for what you charge at home. Compare the providers on net earnings and trust.