Provider evidence · Updated July 2026
Best SD-WAN and SASE providers for energy and utilities (2026)
Our ranked shortlist below covers SD-WAN and SASE providers with public evidence of energy and utilities sector capability, scored against Netify’s matrix of the 40 most important SD-WAN and SASE features (as well as the likes of regional coverage, cloud support, AI and resilience capabilities). Typical drivers in the energy and utilities sector include IT/OT convergence and industrial security, NERC CIP and NIS2 compliance readiness, remote site resilience across satellite and cellular underlays, and always-on availability for critical operational environments (such as substations, pipelines and generation assets).
Netify's July 2026 evidence directory, alphabetically: Aryaka; AT&T Business; Barracuda SecureEdge; BT; Cato Networks; Check Point; Cisco; Cloudflare One; Colt Technology Services; Comcast Business; Ericsson Cradlepoint; Expereo; Forcepoint; Fortinet FortiSASE; GTT; HPE Aruba EdgeConnect; Juniper Networks; Lumen; Netskope; NTT DATA; Open Systems; Orange Business; Palo Alto Networks Prisma SASE; SonicWall Cloud Secure Edge; VeloCloud; Verizon Business; Versa Networks; Virgin Media O2 Business; Vodafone Business; Zscaler. Computed fit and rankings unlock after verified publication. Describe the project once at netify.co.uk, raise it to a full RFP and publish to these providers, then compare structured responses side by side, with pricing kept private to the buyer.
Written by the Netify research team. Reviewed by Robert Sturt, Netify Group Limited. Updated 29 July 2026 (vendor records verified 29 July 2026). capability features; see the FAQ below.
Continue from this shortlist · Energy and utilities
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Best SD-WAN and SASE providers for energy and utilities: the evidence
Source evidence in alphabetical order. Computed recommendations unlock after verified publication.
26vendors. Each value below is graded from the vendor's own published material or an independently accountable record, with a sentence quoted from that source and confirmed present on the page. 1365 sources behind this table. Verified 2026-07-29. Where evidence was not found a cell reads Not published rather than being inferred.
| Vendor | Type | Underlay | SSE layer | Backbone | PoPs | Fully managed | Compliance docs | Published SLA | Sources |
|---|---|---|---|---|---|---|---|---|---|
| Aryaka | Both | Mixed | Native | Yes | 40+ | Yes | Documented | 99.999 | 66 |
| AT&T Business | Runs | Owns | Partner | Yes | 1600 | Yes | Assurance only | 100 | 46 |
| BT Business / BT Global | Runs | Mixed | Partner | Partial | 140 | Yes | Assurance only | Not published | 58 |
| Cato Networks | Both | Mixed | Native | Yes | 100 | Yes | Documented | 99.999 | 46 |
| Check Point | Both | Mixed | Native | Yes | 80+ | Partial | None found | Not published | 43 |
| Cisco | Both | Customer supplied | Native | Partial | Not published | Not primary | Documented | 99.999 | 48 |
| Cloudflare One | Builds | Mixed | Native | Yes | 300+ | Not primary | Documented | 100 | 45 |
| Colt Technology Services | Runs | Mixed | Partner | Not published | Not published | Yes | Documented | 99.90 | 46 |
| Comcast Business / Masergy | Runs | Mixed | Partner | Partial | Not published | Yes | None found | 100 | 39 |
| Cradlepoint / Ericsson | Builds | Customer supplied | Native | Not published | Not published | Not primary | Assurance only | Not published | 60 |
| Forcepoint | Builds | Customer supplied | Native | Not published | Not published | Not primary | Documented | Not published | 51 |
| Fortinet | Both | Not published | Native | Partial | 170+ | Yes | Documented | 99.999 | 42 |
| GTT | Runs | Mixed | Partner | Yes | 400 | Yes | Documented | 99.99 | 44 |
| HPE Aruba Networking | Both | Customer supplied | Not published | Not published | Not published | Yes | Documented | Not published | 54 |
| Juniper Networks | Builds | Customer supplied | Native | Not published | Not published | Partial | None found | Not published | 42 |
| Lumen | Runs | Mixed | Partner | Yes | 50+ | Yes | Documented | 99.99 | 55 |
| Netskope | Builds | Mixed | Native | Not published | 120+ | Via managed service | Documented | 99.999 | 60 |
| NTT DATA / NTT Ltd. | Both | Mixed | Partner | Yes | 75+ | Yes | Documented | 100 | 53 |
| Orange Business | Runs | Owns | Partner | Yes | 400 | Yes | Documented | 100 | 62 |
| Palo Alto Networks | Builds | Customer supplied | Native | Partner | 100+ | Via managed service | Documented | 99.999 | 58 |
| SonicWall | Both | Customer supplied | Native | Not published | Not published | Partial | Documented | Not published | 78 |
| Arista / VeloCloud | Builds | Customer supplied | Partner | Not published | 150+ | Partner | Documented | Not published | 53 |
| Verizon Business | Runs | Owns | Partner | Yes | Not published | Yes | None found | 100 | 58 |
| Versa Networks | Both | Mixed | Native | Partial | 90 | Partial | Documented | 99.999 | 47 |
| Vodafone Business | Runs | Mixed | Partner | Yes | 212 | Yes | Documented | 99.99 | 60 |
| Zscaler | Both | Customer supplied | Native | Not primary | 160 | Partial | Documented | 99.999 | 51 |
Full sources for each vendor, including the sources we found and rejected and any claims that disagree, are on its profile page.
Source evidence
Aryaka
Managed SD-WAN / SASE provider · Typical deployment: days
Aryaka's private global core network is the architectural differentiator here. Rather than running across public internet paths, the underlay is Aryaka's own backbone, which gives it a different resilience profile from most managed SD-WAN providers - relevant for energy operators where a connectivity interruption at an operational site has consequences that go well beyond a delayed email. WAN optimisation built into that backbone keeps telemetry and monitoring applications performing consistently across dispersed assets.
Deployment in days rather than months is also a genuine advantage for utilities bringing new generation assets online quickly or extending coverage to remote field locations on short timelines.
Watch out: Aryaka's PoP footprint is smaller than the hyperscale SASE vendors. For a utility with assets in remote or less common locations - offshore facilities, rural generation sites, secondary industrial regions - coverage needs checking against the actual site list. Satellite integration options and local technical assistance for critical infrastructure environments should also be confirmed before deployment, not after.
Contact Aryaka via Netify ↗Source evidence
AT&T Business
Global carrier managed SD-WAN / SASE provider · Typical deployment: months
Substations, solar farms, pipeline monitoring stations and wind generation assets have a connectivity problem that office buildings don't: fixed-line circuits are often unavailable or unreliable, and there's no alternative when the connection drops. AT&T's LTE and 5G network alongside its fixed-line portfolio means resilient communications for those remote assets don't have to depend on a single underlay technology.
Multi-vendor security options, Fortinet for AT&T SASE being one, support Zero Trust segmentation between SCADA environments, operational systems and corporate networks.
Watch out: the platform proposed varies by service tier, and OT security capabilities and compliance reporting features differ between them. A utility running legacy substations and modern generation facilities on the same contract may end up with different segmentation models at different sites - in energy environments, that inconsistency carries operational and safety implications that aren't present in a typical enterprise rollout. Pin down the platform per site early.
Contact AT&T Business via Netify ↗Source evidence
Barracuda SecureEdge
technology vendor · Typical deployment: unknown
Watch out:
Contact Barracuda SecureEdge via Netify ↗Source evidence
BT
Global/UK managed SD-WAN / SASE provider · Typical deployment: weeks
When a connection to a substation or water treatment facility degrades, the speed of fault resolution depends entirely on who owns the access infrastructure. BT's field engineers deal with BT's own circuits - there's no third-party access provider to coordinate with, which shortens the time between a fault being raised and someone actively diagnosing it. For sites running operational systems rather than office applications, that difference matters more than it might look on paper.
BT's NIS2-relevant operational presence across critical national infrastructure also makes it a recognised supplier in regulated energy and utilities procurement in the UK.
Watch out: BT's SD-WAN portfolio runs on multiple underlying platforms, and OT protocol visibility, industrial threat detection and compliance reporting capability are not the same across them. The platform proposed for a substation should be evaluated against the OT requirements of that specific environment - it's not interchangeable with what works at a corporate office, even if both are delivered under the same managed service contract.
Contact BT via Netify ↗Source evidence
Cato Networks
Cloud-native SASE / SD-WAN platform · Typical deployment: hours
The IT/OT boundary is one of the most pressing issues for the energy and utilities sector, though Cato is well positioned to address this - rather than placing a firewall between two separately managed network layers (like many other solutions on the market), Cato enforces micro-segmentation through one policy engine - control systems, SCADA traffic and enterprise IT coexist on the same WAN fabric, isolated from each other by policy rather than physical separation.
For NERC CIP and NIS2 compliance, centralised policy management and consistent audit logging across distributed substations and generation assets simplifies the evidence-gathering that makes compliance programmes operationally painful at scale.
Watch out: utilities running specialised OT security tooling - protocol-aware inspection, industrial monitoring platforms - need to validate integration with Cato's architecture before committing. The single-vendor model assumes a degree of centralised control that not every operational technology environment is structured to give, and discovering that mismatch during rollout rather than before it is an avoidable problem.
Contact Cato Networks via Netify ↗Source evidence
Check Point
SASE / security vendor · Typical deployment: days
Harmony SASE combines Check Point security heritage with cloud-delivered SASE and optimised SD-WAN performance.
Watch out: Native SD-WAN capabilities (path selection, QoS, packet loss remediation) have limited public evidence relative to SD-WAN-led vendors.
Contact Check Point via Netify ↗Source evidence
Cisco
SD-WAN / SASE technology vendor · Typical deployment: weeks
Broadest platform portfolio in the category, covering Catalyst SD-WAN for enterprise WAN, Meraki MX for cloud-managed branch, and Cisco Secure Access for converged SASE delivery.
Watch out: Two distinct SD-WAN product lines (Catalyst and Meraki) means buyers should confirm which fits the target deployment profile and the longer-term roadmap.
Contact Cisco via Netify ↗Source evidence
Cloudflare One
SASE / Zero Trust / network services · Typical deployment: hours
Cloudflare global edge network provides one of the largest PoP footprints in the category for SASE traffic.
Watch out: SD-WAN capabilities (path selection, QoS, packet loss remediation) have limited public evidence compared to SD-WAN-first vendors.
Contact Cloudflare One via Netify ↗Source evidence
Colt Technology Services
Enterprise managed SD-WAN / connectivity provider · Typical deployment: months
European energy operators working to NIS2 obligations will find Colt's data sovereignty positioning more directly applicable than most on this list. Colt controls the physical network path across European business districts, which means demonstrating in-region processing to regulators or auditors doesn't depend on mapping data flows through third-party infrastructure with its own jurisdictional questions. Cloud on-ramp connectivity into European cloud regions is also more direct as a result, useful where operational data needs to reach cloud-based monitoring or analytics platforms without leaving the regulatory perimeter.
Watch out: outside Europe, Colt's depth thins considerably relative to the largest global carriers. A utility with assets in North America, the Middle East or Asia has those sites sitting outside Colt's primary operational strength. Local network coverage, cellular backup and field support at those locations need a separate assessment - for a globally distributed energy estate, the European strengths need to be weighed explicitly against what a different provider would offer elsewhere, not assumed to travel.
Contact Colt Technology Services via Netify ↗Source evidence
Comcast Business
Managed SD-WAN / SASE provider · Typical deployment: weeks
Grid telemetry and SCADA communications are more sensitive to latency and packet loss than most enterprise traffic, so the cost of a network problem being discovered after it has already affected those systems is significantly higher than the cost of catching it beforehand. Masergy's AIOps capability (inherited by Comcast Business) is built around that, helping to identify degradation patterns before a connection fails, giving operations teams time to reroute or intervene rather than respond.
The fully managed or co-managed model also suits OT teams whose primary focus is running infrastructure, not managing the network that carries it.
Watch out: Comcast's operational depth is North American by origin, and outside that region delivery runs through partners. The monitoring consistency, field support response times and AIOps depth that a North American reference site demonstrates may not carry over to European or Middle Eastern assets delivered through those partnerships - worth asking specifically how the service is structured at each international location, not just whether it's available.
Contact Comcast Business via Netify ↗Source evidence
Ericsson Cradlepoint
Wireless WAN / SD-WAN adjacent vendor · Typical deployment: days
Wireless-first branch architecture from Ericsson with deep 5G expertise; NetCloud provides cellular-centric SD-WAN management.
Watch out: SASE story is partner-integrated rather than native; SSE capabilities require validation in RFP.
Contact Ericsson Cradlepoint via Netify ↗Source evidence
Expereo
managed service provider / carrier network provider · Typical deployment: unknown
Watch out:
Contact Expereo via Netify ↗Source evidence
Forcepoint
Security / secure SD-WAN vendor · Typical deployment: days
FlexEdge Secure SD-WAN combines secure SD-WAN with strong DLP and data security heritage from the wider Forcepoint portfolio.
Watch out: Smaller SD-WAN market presence than the leading platforms.
Contact Forcepoint via Netify ↗Source evidence
Fortinet FortiSASE
Secure SD-WAN / SASE technology vendor · Typical deployment: days
Native convergence of networking and security on a single operating system (FortiOS) across FortiGate edge, FortiManager and FortiSASE.
Watch out: Like Cisco, managed delivery is via partners rather than Fortinet directly; underlay and field operations are not owned by the vendor.
Contact Fortinet FortiSASE via Netify ↗Source evidence
GTT
Global managed SD-WAN provider · Typical deployment: months
Tier 1 global backbone provides strong international transit capability alongside managed SD-WAN.
Watch out: SASE depth depends heavily on the chosen platform partner; native SSE capabilities are not primary positioning.
Contact GTT via Netify ↗Source evidence
HPE Aruba EdgeConnect
SD-WAN / SSE / branch technology vendor · Typical deployment: days
EdgeConnect SD-WAN (acquired with Silver Peak) is positioned as the foundation for single-vendor SASE alongside Aruba SSE.
Watch out: Aruba SSE is newer than the SSE leaders (Zscaler, Netskope); buyers wanting best-of-breed SASE should evaluate the SSE capability set carefully.
Contact HPE Aruba EdgeConnect via Netify ↗Source evidence
Juniper Networks
AI-driven WAN / SD-branch technology vendor · Typical deployment: days
Mist AI delivers WAN Assurance, providing AI-driven monitoring and troubleshooting at the WAN edge that few competitors match.
Watch out: SASE story is less mature than the SASE-led vendors; SSE capabilities have limited public evidence relative to category leaders.
Contact Juniper Networks via Netify ↗Source evidence
Lumen
Managed SD-WAN / NaaS provider · Typical deployment: months
Fully managed or co-managed SD-WAN with strong NaaS positioning and integrated network services.
Watch out: SASE and security capabilities are largely partner-integrated rather than native; the SSE platform choice needs explicit evaluation.
Contact Lumen via Netify ↗Source evidence
Netskope
SSE / SASE platform · Typical deployment: days
Strong CASB heritage; widely recognised as a leading SSE vendor for SaaS-heavy environments.
Watch out: Native SD-WAN (Borderless WAN) is newer than dedicated SD-WAN platforms; validate path selection and QoS depth in RFP.
Contact Netskope via Netify ↗Source evidence
NTT DATA
Global managed network provider · Typical deployment: months
Large energy organisations with generation, transmission and distribution assets across multiple countries face a governance problem as much as a connectivity one: different regions end up with different security policies, different monitoring standards and different compliance postures, often because they were set up at different times by different teams. NTT's 24x7 global operations centres are oriented toward standardising that picture across the whole estate, with a portal that gives central teams visibility regardless of geography.
For NERC CIP and NIS2 compliance programmes, that centralised audit trail is directly relevant.
Watch out: NTT doesn't build its own platform. The managed service wraps around Palo Alto, Zscaler and others, so OT security capability and industrial protocol handling depend entirely on which platform sits underneath a given deployment. NTT's overall score reflects managed service quality - the technology fit for SCADA environments is a separate question that needs answering against the specific platform, not NTT's overall score.
Contact NTT DATA via Netify ↗Source evidence
Open Systems
technology vendor / managed service provider · Typical deployment: unknown
Watch out:
Contact Open Systems via Netify ↗Source evidence
Orange Business
Global managed SD-WAN / SASE provider · Typical deployment: months
Orange Business has NOC depth and field engineering across Europe and Africa that few managed providers can match at comparable coverage levels. For energy organisations with assets in those regions, the value is local operational teams who understand local conditions - regulatory environments, infrastructure constraints, field access logistics - rather than a remote team managing everything from elsewhere. Getting an engineer to a remote generation facility or transmission asset in a secondary market through a partnership model is a qualitatively different proposition.
Managed segmentation capabilities support the separation of OT from enterprise traffic, and the service model is built for the governance complexity of multinational critical infrastructure estates.
Watch out: the platform Orange deploys depends on the vendor selected, and OT security capability - protocol awareness, industrial threat detection, compliance reporting - varies across the portfolio. Platform fit for energy environments needs evaluating against what's actually being proposed for each specific site. Orange's overall managed service positioning is not a substitute for that assessment.
Contact Orange Business via Netify ↗Source evidence
Palo Alto Networks Prisma SASE
SD-WAN / SASE technology vendor · Typical deployment: weeks
Prisma SASE converges SD-WAN, cloud-delivered security, and digital experience management (ADEM) under a single platform identity.
Watch out: Premium pricing relative to firewall-led SD-WAN vendors; commercial model requires careful scoping by users, bandwidth, locations and term.
Contact Palo Alto Networks Prisma SASE via Netify ↗Source evidence
SonicWall Cloud Secure Edge
SMB / mid-market firewall-led SD-WAN vendor · Typical deployment: days
SD-WAN delivered via existing TZ, NSa and SM firewall appliances; familiar deployment for organisations standardised on SonicWall.
Watch out: SASE and SSE capabilities have partial public evidence; depth should be confirmed in RFP.
Contact SonicWall Cloud Secure Edge via Netify ↗Source evidence
VeloCloud
SD-WAN technology vendor · Typical deployment: days
VeloCloud was an early SD-WAN platform with strong cloud-delivered gateway architecture; now under Arista following the 2025 acquisition.
Watch out: Platform is mid-transition from VMware/Broadcom to Arista; product roadmap, naming and integration story will evolve.
Contact VeloCloud via Netify ↗Source evidence
Verizon Business
Global carrier managed SD-WAN / SASE provider · Typical deployment: months
Verizon's wireless network is the differentiator for remote site resilience. Substations, field operations centres and renewable generation sites that sit beyond reliable fixed-line coverage can get integrated LTE and 5G backup alongside managed SD-WAN, rather than requiring a separate cellular solution bolted on afterwards. Carrier-grade infrastructure supports availability requirements for critical telemetry and control traffic, and managed SASE adds segmentation between operational systems and enterprise environments.
Watch out: the underlying platform is largely Versa-based, and for utilities whose wider estate or OT security tooling is built around a different technology, maintaining consistent segmentation policy across both creates reconciliation work for the operations team. OT change windows in energy environments are infrequent - the integration planning between Versa's IT/OT segmentation model and the existing estate needs to happen well before deployment, not surface during it.
Contact Verizon Business via Netify ↗Source evidence
Versa Networks
SD-WAN / SASE technology vendor · Typical deployment: weeks
Multi-tenancy from the ground up, making Versa a common choice for service providers and carriers building managed SD-WAN and SASE platforms.
Watch out: Less well-known to enterprise buyers as a direct purchase; most enterprise consumption is via service providers.
Contact Versa Networks via Netify ↗Source evidence
Virgin Media O2 Business
managed service provider / carrier network provider · Typical deployment: unknown
Watch out:
Contact Virgin Media O2 Business via Netify ↗Source evidence
Vodafone Business
Global managed SD-WAN provider · Typical deployment: months
Strong UK and European market presence with NaaS positioning and integrated mobile/fixed access.
Watch out: Underlying platform varies by region (VeloCloud in UK, others elsewhere); ensure consistency for multinational deployment.
Contact Vodafone Business via Netify ↗Source evidence
Zscaler
SSE / SASE platform · Typical deployment: days
Category leader in SSE with ZIA, ZPA and ZDX; widely adopted as the security layer in best-of-breed SASE architectures.
Watch out: Historically SSE-led; native SD-WAN capability is less mature than dedicated SD-WAN platforms (validate path selection, QoS and packet loss in RFP).
Contact Zscaler via Netify ↗
Alphabetical source evidence. Computed fit, rankings and recommendations unlock after verified project publication.
Cite this research
Netify, "Best SD-WAN and SASE providers for Energy and utilities (2026)", Netify SASE and SD-WAN comparison, updated 29 July 2026: https://netify.co.uk/sase/best/sd-wan-sase-providers-for-energy-and-utilities
Machine-readable version: https://netify.co.uk/sase/best/sd-wan-sase-providers-for-energy-and-utilities/data.json · Programmatic access: POST https://netify.co.uk/sase/api/mcp/ (tool: build_sase_shortlist)
Questions
About this evidence
Which SD-WAN and SASE providers are strongest for energy and utilities?
The leading providers for energy and utilities are listed in the ranking above, each graded on public evidence of sector capability - the likes of case studies, dedicated offerings and certifications - alongside the same 40 technical and service features used across our wider comparison.
How is this energy and utilities ranking calculated?
To ensure the integrity of our rankings, providers without confirmed energy and utilities sector evidence are excluded from this list - with the remainder being scored on a weighted average across 40 capability features (with the same engine powering our interactive shortlist builder, MCP tool and this page to provide reproducible results).
Can I adjust this shortlist for my own requirements?
Yes - the interactive shortlist builder lets you add your operating model, regions, clouds, security features, AI requirements and deployment ceiling on top of the energy and utilities filter. Every configuration is a shareable URL, so you can come back to it or pass it on to colleagues later.
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