Explore Our Research Publications

Powering Thriving Communities: Efficient Appliances for Climate Change Adaptation and Resilience

Efficient appliances and equipment reduce heat risk, bolster food security, and improve livelihoods, directly helping communities adapt and build resilience to climate shocks.

03 Jun 2026

2025 CLASP Annual Report

Changing the way we use energy.

04 May 2026

Net Zero Heroes: Scaling Efficient Appliances for Climate Change Mitigation, Adaptation & Resilience

In this report, CLASP describes the critical role appliances must play in reaching net zero emissions and enabling a just energy transition.

16 Nov 2023

Evaluating Appliance Performance in the Field: Results from Appliance Testing

CLASP through Efficiency for Access conducted multi-country field testing to evaluate the technical performance of solar refrigerators, solar water pumps and solar milking machines.

19 Apr 2023

Appliance Impacts Over Time

This longitudinal study explores how customers’ relationship with their off-grid appliances changes over time. The study captured critical indicators through phone interviews with over 4000 off-grid TV, solar water pump, and refrigerator customers to track product quality, durability, satisfaction, impact, and uptake.

20 Feb 2023

Using Technology to Build Affordable Business Intelligence for the Solar Water Pump Market

This study aimed to further innovation in East Africa's solar water pump market by developing and testing the viability of a toolkit that leverages remote sensing to generate affordable business intelligence for the nascent solar water pump market.

14 Oct 2021

Evaluating Appliance Performance in the Field: Results from Remote Monitoring Solutions Beta Testing

CLASP through Efficiency for Access beta-tested remote performance monitors to develop an ideal solution that monitors the technical performance of solar refrigerators, solar water pumps and solar milking machines in Kenya, Tanzania, Rwanda, Senegal and India.

10 Sep 2021

2019 Global LEAP Awards Buyer’s Guide for Solar Water Pumps

The Global LEAP Awards Buyer’s Guide is a catalog of the world’s best off-grid appliances. This edition contains information about solar water pumps that were named Winners and Finalists in the 2019 Global LEAP Awards.

23 Oct 2019

04 Oct 2019

Solar Water Pump Technology Roadmap

Between May 2018 and May 2019, CLASP convened a technical working group to construct an industry roadmap for solar water pumps. This document identifies a series of technology improvements for remote monitoring systems and brushless DC motors that, if adopted, could improve pump efficiency and performance.

13 Jun 2019

Use and Benefits of Solar Water Pumps

Between 2016 and 2018, Efficiency for Access partnered with 60 Decibels to survey 375 solar water pump customers in Uganda, Kenya and Tanzania about their experiences. This analysis provides valuable insights into customer purchasing decisions and use cases.

06 Jun 2019

Tanzania Market Snapshot: Horticulture Value Chains and Potential for Solar Water Pump Technology

In 2018, Efficiency for Access collaborated with Simusolar on a major research effort to size and characterize the market potential for modern irrigation in the Tanzanian horticulture sector. This report addresses important market and consumer information gaps for solar water pump manufacturers and distributors in Tanzania and beyond.

09 Apr 2019

Solar Water Pumping: Global Market Development Roundtable Workshop Report May 2018

This document reports on a two-day global market development roundtable workshop that encouraged cross-collaboration among product designers and distributors, technology specialists, agriculture sector experts, and other key stakeholders to uncover and identify the many challenges and opportunities facing the solar water pump (SWP) market today.

21 May 2018