Commercial Solar PV Estimator
| Posting date: | 05 February 2026 |
|---|---|
| Salary: | £40,000 to £45,000 per hour |
| Hours: | Full time |
| Closing date: | 07 March 2026 |
| Location: | Wellingborough, Northamptonshire |
| Remote working: | On-site only |
| Company: | Tom Orange Recruitment |
| Job type: | Permanent |
| Job reference: | Solar PV |
Summary
Role Overview:
We are seeking an experienced Commercial Solar PV Estimator to support the growth of our commercial and industrial (C&I) solar division. The role involves producing accurate, competitive and technically compliant cost estimates for Solar PV, battery storage and associated electrical works across commercial projects.
You will work closely with sales, design, project management and supply chain teams to ensure all proposals are commercially viable, technically robust and aligned with client requirements, MCS standards and current regulations.
Key Responsibilities:
Estimating & Commercial
Produce detailed cost estimates for commercial and industrial Solar PV and battery storage projects
Analyse drawings, specifications, site surveys and client requirements
Prepare fully itemised BOMs including panels, inverters, mounting systems, cabling, protection, access and prelims
Obtain and evaluate supplier and subcontractor quotations
Build accurate labour allowances for electrical and mechanical installation
Identify value-engineering opportunities without compromising compliance or quality
Support tender submissions and commercial clarifications
Technical & Compliance
Ensure estimates align with MCS, G99/G100, DNO, BS7671 and HSG requirements
Understand roof types, structural loading, ballast vs fixed systems and access constraints
Consider grid constraints, export limitations and metering requirements
Account for battery storage, load shifting, export tariffs and energy modelling inputs
Sales & Project Support
Work closely with the sales team to support pricing strategy and margin control
Provide technical input to proposals, payback calculations and client queries
Support handover from sales to delivery teams
Assist with variations, re-pricing and post-contract cost control where required
Required Experience & Skills:
Essential
Proven experience estimating commercial Solar PV projects
Strong understanding of UK Solar PV regulations and MCS standards
Ability to interpret electrical and construction drawings
High level of numerical accuracy and attention to detail
Confident communicator with internal teams and suppliers
Proficient in Excel and estimating tools
Desirable
Experience with battery energy storage systems (BESS)
Knowledge of DNO applications and grid compliance
Experience working with EPC contractors or C&I installers
Familiarity with PV design software (e.g. PV*Sol, OpenSolar, Helioscope)
Personal Attributes
Commercially minded with a strong focus on margin and risk
Organised, methodical and able to manage multiple bids simultaneously
Proactive problem solver with a practical approach
Comfortable working in a fast-paced, growing renewables business
What We Offer
Competitive salary and benefits
Opportunity to work on large-scale commercial renewable projects
Career progression within a growing solar and energy storage business
Flexible working arrangements
We are seeking an experienced Commercial Solar PV Estimator to support the growth of our commercial and industrial (C&I) solar division. The role involves producing accurate, competitive and technically compliant cost estimates for Solar PV, battery storage and associated electrical works across commercial projects.
You will work closely with sales, design, project management and supply chain teams to ensure all proposals are commercially viable, technically robust and aligned with client requirements, MCS standards and current regulations.
Key Responsibilities:
Estimating & Commercial
Produce detailed cost estimates for commercial and industrial Solar PV and battery storage projects
Analyse drawings, specifications, site surveys and client requirements
Prepare fully itemised BOMs including panels, inverters, mounting systems, cabling, protection, access and prelims
Obtain and evaluate supplier and subcontractor quotations
Build accurate labour allowances for electrical and mechanical installation
Identify value-engineering opportunities without compromising compliance or quality
Support tender submissions and commercial clarifications
Technical & Compliance
Ensure estimates align with MCS, G99/G100, DNO, BS7671 and HSG requirements
Understand roof types, structural loading, ballast vs fixed systems and access constraints
Consider grid constraints, export limitations and metering requirements
Account for battery storage, load shifting, export tariffs and energy modelling inputs
Sales & Project Support
Work closely with the sales team to support pricing strategy and margin control
Provide technical input to proposals, payback calculations and client queries
Support handover from sales to delivery teams
Assist with variations, re-pricing and post-contract cost control where required
Required Experience & Skills:
Essential
Proven experience estimating commercial Solar PV projects
Strong understanding of UK Solar PV regulations and MCS standards
Ability to interpret electrical and construction drawings
High level of numerical accuracy and attention to detail
Confident communicator with internal teams and suppliers
Proficient in Excel and estimating tools
Desirable
Experience with battery energy storage systems (BESS)
Knowledge of DNO applications and grid compliance
Experience working with EPC contractors or C&I installers
Familiarity with PV design software (e.g. PV*Sol, OpenSolar, Helioscope)
Personal Attributes
Commercially minded with a strong focus on margin and risk
Organised, methodical and able to manage multiple bids simultaneously
Proactive problem solver with a practical approach
Comfortable working in a fast-paced, growing renewables business
What We Offer
Competitive salary and benefits
Opportunity to work on large-scale commercial renewable projects
Career progression within a growing solar and energy storage business
Flexible working arrangements